--- title: Proton Mail For Business Reviews meta_title: 'Proton Mail For Business Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 491 reviews by the users' company size, role or industry to find out how Proton Mail For Business works for a business like yours. aggregate_rating: rating_value: 4.6 review_count: 491 scale: '5' date_modified: '2026-08-01' parent_category: name: Email Security url: https://www.g2.com/categories/email-security --- # Proton Mail For Business Reviews **Vendor:** Proton AG **Category:** [Email Encryption Software](https://www.g2.com/categories/email-encryption) **Average Rating:** 4.6/5.0 **Total Reviews:** 491 ## About Proton Mail For Business Proton Mail for Business is a secure email and calendar solution tailored specifically for small and medium-sized businesses (SMBs). This platform enables users to send, receive, organize, and manage professional email and calendar communications while ensuring built-in privacy and encryption. Designed to support critical business communication workflows, Proton Mail for Business protects sensitive information from unauthorized access and assists organizations in meeting data privacy and compliance requirements. Its features cater to SMBs looking to enhance email security, centralize user management, and integrate encrypted messaging with productivity tools like calendar scheduling. The product's core capabilities focus on providing a robust business email experience. With end-to-end encryption, email content remains confidential, ensuring that only the intended senders and recipients can read messages. Proton Mail cannot decrypt stored emails, even for compliance or support purposes, which reinforces its commitment to user privacy. Additionally, businesses can utilize custom domains for branded email addresses, enhancing professionalism and brand identity. Integrated calendar tools allow teams to create, share, and schedule events seamlessly alongside email, reducing the need for multiple disparate applications. Proton Mail for Business also includes a variety of productivity and workflow features designed to streamline communication. Advanced inbox organization tools, such as filters and folders, automatically sort incoming mail, while labels help categorize messages for efficient workflow management. Email automation capabilities enable users to schedule messages, create autoresponders, and snooze emails, which is particularly beneficial for managing busy inboxes. Furthermore, the AI-assisted writing support, Proton Scribe, aids in drafting and proofreading messages without compromising privacy, ensuring that sensitive content remains secure. Security and compliance are paramount in Proton Mail for Business, which is why it offers strong regulatory support for GDPR, HIPAA, CCPA, and other privacy regulations through its default end-to-end encryption and zero-access architecture. Hosted under Swiss privacy laws, the platform provides additional legal protections compared to other jurisdictions, safeguarding user data from forced access. The centralized admin panel allows for efficient user management, enabling administrators to add or remove users, enforce two-factor authentication, and manage permissions across the business domain. Advanced threat protection through Proton Sentinel combines AI and human analysis to identify and block potential account breaches and other security threats. By combining encrypted communication with practical organizational tools and administrative oversight, Proton Mail for Business positions itself as a comprehensive and secure email platform for SMBs. Its focus on privacy and compliance, along with its ability to enhance professional communication continuity and improve team productivity, makes it a valuable solution for businesses prioritizing secure digital communications. ## Proton Mail For Business Pros & Cons **What users like:** - Users commend the **ease of use** of Proton Mail for Business, appreciating its simplicity and reliability for communication. (3 reviews) - Users value the **end-to-end encryption** of Proton Mail For Business, appreciating its simplicity and enhanced security. (2 reviews) - Users value the **reliability** of Proton Mail for Business, praising its trustworthy performance and continuous improvements. (2 reviews) - Users value Proton Mail For Business for its **robust security features** , including end-to-end encryption and email expiration. (2 reviews) - Users value the **clean interface** of Proton Mail for Business, enhancing their communication experience effectively. (1 reviews) - Users value the **dedicated customer support** provided by Proton Mail for both free and paid users. (1 reviews) - Users appreciate the **easy daily usage** of Proton Mail for Business, favoring its simplicity and secure features. (1 reviews) - Users value the **enhanced security and privacy** of Proton Mail for Business, crucial for protection in educational settings. (1 reviews) - Email Security (1 reviews) - Implementation Ease (1 reviews) **What users dislike:** - Users face **compatibility issues** with Proton Mail for Business, struggling with limited storage and challenging search functionalities. (1 reviews) - Users find the **limited features of the free version** complicate expansion opportunities for using Proton Mail for Business. (1 reviews) - Users criticize the **limited free storage** and find **email recovery difficult** , impacting overall usability of Proton Mail. (1 reviews) - Users suggest that **UI improvement is needed** for a more user-friendly experience with Proton Mail for Business. (1 reviews) - Users find the **inefficient search functionality** frustrating, as it complicates email retrieval and management in Proton Mail. (1 reviews) - Limited Features (1 reviews) - Missing Features (1 reviews) - Users suggest that improving the **UI design** of Proton Mail for Business could enhance overall usability and experience. (1 reviews) - Users find the **poor mobile experience** of Proton Mail for Business frustrating due to storage and search limitations. (1 reviews) - Users find the **poor search functionality** limits their efficiency, complicating email retrieval and management. (1 reviews) ## Proton Mail For Business Reviews ### 1. Mail and other services for the professional **Rating:** 5.0/5.0 stars **Reviewed by:** Ernst G. **Reviewed Date:** April 22, 2026 **What do you like best about Proton Mail For Business?** The security and data privacy give me peace of mind when using the system. The tools (email interface, calendar, pass) are solid and easy to use, and they provide the kind of functionality a power user needs. **What do you dislike about Proton Mail For Business?** Mass export and mass printing to PDF are not available. **What problems is Proton Mail For Business solving and how is that benefiting you?** It works well across various devices. I can add multiple domains and aliases without any issues. The out-of-office feature, rules, blocking options, and spam filters all work well. ### 2. Completely Satisfied Customer **Rating:** 5.0/5.0 stars **Reviewed by:** Warren B. | IT System Administrator, Small-Business (50 or fewer emp.) **Reviewed Date:** May 16, 2026 **What do you like best about Proton Mail For Business?** It feels like it blocks a lot of junk, and it also gives me confidence that my information is secure. **What do you dislike about Proton Mail For Business?** I wish it offered more features overall, and I’m really not a fan of the desktop app. **What problems is Proton Mail For Business solving and how is that benefiting you?** Privacy is the number one problem this solves for me. On top of that, I feel confident that my information isn’t being sold to third parties. ### 3. Finally private email **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Computer Software | Small-Business (50 or fewer emp.) **Reviewed Date:** June 03, 2026 **What do you like best about Proton Mail For Business?** I like having our entire org use Proton Mail, I don’t need to worry about our emails being used to train AI, or sell us ads. The additions to calendar, drive and pass have made this into a venerable alternative to gSuite **What do you dislike about Proton Mail For Business?** The AI features are half baked. Would love to be able to plug in our orgs LLM into the AI features since it’s faster than the Proton Solution (and we are already hosting it) **What problems is Proton Mail For Business solving and how is that benefiting you?** The world needs alternatives to big tech. Happy to pay for a viable Google competitor ### 4. Proton, the privacy gmail **Rating:** 4.5/5.0 stars **Reviewed by:** Adam M. | Company Owner **Reviewed Date:** June 03, 2026 **What do you like best about Proton Mail For Business?** Proton Mail has been great for me. Both the mobile app and the web app work flawlessly, and I find them easier to use than Gmail. **What do you dislike about Proton Mail For Business?** The iOS app has changed, and sometimes it behaves strangely, like it’s going back and forth. The web version works fine. **What problems is Proton Mail For Business solving and how is that benefiting you?** DNS and branding for my business. ### 5. Great alternative to Outlook **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Accounting | Small-Business (50 or fewer emp.) **Reviewed Date:** July 23, 2026 **What do you like best about Proton Mail For Business?** Super easy to use and includes Password manager and VPN. Great Value **What do you dislike about Proton Mail For Business?** There is nothing that I dislike. Great product **What problems is Proton Mail For Business solving and how is that benefiting you?** Simplifying with more to offer than the competitor ### 6. Proton for small business **Rating:** 3.5/5.0 stars **Reviewed by:** Verified User in Architecture & Planning **Reviewed Date:** June 05, 2026 **What do you like best about Proton Mail For Business?** Pros: competitive rates, good features and feels like it’s being actively improved/maintained. Has the potential to take care of multiple needs in one place: cloud drive, calendar, word/excel docs, email **What do you dislike about Proton Mail For Business?** Cons: Proton’s document suite is glitchy, lacks features; the spreadsheet app simply doesn’t work (formulas don’t update) and the document app can’t format based on printed pages. In short, these features would be a huge plus but they simply are unusable currently **What problems is Proton Mail For Business solving and how is that benefiting you?** Works well enough for email and calendar right now, and some simple text documents in their Drive ### 7. Proton services are amazing, and their also the most secure and trustworthy! **Rating:** 5.0/5.0 stars **Reviewed by:** Pete S. | Consultant and Developer **Reviewed Date:** June 03, 2026 **What do you like best about Proton Mail For Business?** I love the level of security they offer while offering a brilliant user experience and selection of services! **What do you dislike about Proton Mail For Business?** Not much, it's great! I guess the bridge makes it a little harder for some, but I just use the proton client, which is great. **What problems is Proton Mail For Business solving and how is that benefiting you?** Security and general email services at an affordable price. ### 8. Secure and easy **Rating:** 3.5/5.0 stars **Reviewed by:** Verified User in Manufacturing **Reviewed Date:** May 12, 2026 **What do you like best about Proton Mail For Business?** Easy to use while still being secure. I can jump on from any device—whether it’s the desktops or laptop I travel with, or multiple mobile phones, etc.—and everything is there and straightforward to use. **What do you dislike about Proton Mail For Business?** What stands out most is the lack of a streamlined, consistent GUI on Linux. We use several computers running both Linux and Windows, and the Windows experience is noticeably easier and more user-friendly compared with Linux. That said, we still prefer Linux overall for its privacy and security. **What problems is Proton Mail For Business solving and how is that benefiting you?** I can create multiple accounts as needed, and they’re easy to manage and straightforward to work with. ### 9. Security gives piece of mind **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Mental Health Care **Reviewed Date:** July 22, 2026 **What do you like best about Proton Mail For Business?** Really glad to be using Proton because they have an easy BAA process and now have rolled out Proton Meet, so I can meet with clients virtually with piece of mind that it will be secure. **What do you dislike about Proton Mail For Business?** I wish more companies had capacity for their electronic health records to do a 2-way sync with Proton Calendar. **What problems is Proton Mail For Business solving and how is that benefiting you?** HIPAA compliance and the benefit of NOT being Google. ### 10. Google No Proton Yes **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Education Management **Reviewed Date:** June 05, 2026 **What do you like best about Proton Mail For Business?** Proton mail allows me to securely access my company email and manage users. The spam blocker works really well. **What do you dislike about Proton Mail For Business?** Sometimes like gmail i get confused on which email in thread is first and which one im trying to respond too. **What problems is Proton Mail For Business solving and how is that benefiting you?** I used gmail for many years and when they switched to paying i was unable to afford to have several account under on domain...i switched to proton because it was affordable and secure with the ability to have and manage the different accounts on one domain name. ### 11. Great product with great security **Rating:** 4.5/5.0 stars **Reviewed by:** Jake F. **Reviewed Date:** June 05, 2026 **What do you like best about Proton Mail For Business?** The interface is great, it is simple to use, and it respects your privacy. **What do you dislike about Proton Mail For Business?** Sometimes message receivers get emails late after you sent it. **What problems is Proton Mail For Business solving and how is that benefiting you?** It is an affordable solution with a suite of tools that are easy to use and easy to segment out to what you actually need. ### 12. Easy and comprehensive solution **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Writing and Editing **Reviewed Date:** May 12, 2026 **What do you like best about Proton Mail For Business?** I appreciate the high availability, low-friction web interface, plan customization, and easy integration with custom domains/DNS. **What do you dislike about Proton Mail For Business?** If Proton Drive was less expensive, I might consider migrating more data storage needs over to it; that said, I'm very satisfied as a primarily-email customer. **What problems is Proton Mail For Business solving and how is that benefiting you?** Proton Mail provides a solution to emails for my domains, email encryption/security, and handling daily email communication needs. ### 13. Excellent secure email service **Rating:** 4.0/5.0 stars **Reviewed by:** John P. | Joint Vice Chair - Mobility as a Service Forum **Reviewed Date:** June 03, 2026 **What do you like best about Proton Mail For Business?** It's a really useful solution. I've moved from Google because it was getting more expensive. Proton offers better value for money, more secure and was easy to set up **What do you dislike about Proton Mail For Business?** Imported Google sheets don't seem to work well in Proton drive without conversion **What problems is Proton Mail For Business solving and how is that benefiting you?** Provides me secure business email and storage ### 14. Impressed with the reliability compared to other services **Rating:** 4.5/5.0 stars **Reviewed by:** Swier M. | Trainer for the 3PGC apprentice practitioner program **Reviewed Date:** April 17, 2026 **What do you like best about Proton Mail For Business?** It works, and keeps working. Havent seen any real issues yet in two months now **What do you dislike about Proton Mail For Business?** Haven't seen anything yet. I can see, though, that it is still in a development phase. On the other hand, issues tend to arise over time when you are using a software solution, so who knows what will happen. At any rate, it looks like you have your development process in quite good order. **What problems is Proton Mail For Business solving and how is that benefiting you?** It is reliable. ### 15. Working great and still going after 3 years **Rating:** 4.5/5.0 stars **Reviewed by:** Roger W. **Reviewed Date:** May 17, 2026 **What do you like best about Proton Mail For Business?** I know my emails are secure and that the data is being stored in a neutral country outside of the US. **What do you dislike about Proton Mail For Business?** I dont really have any complaints, its just worked since I set up the account. **What problems is Proton Mail For Business solving and how is that benefiting you?** I can easily set up a custom domain, add additional users to that domain and everyone is happy with the service. ### 16. Solid service **Rating:** 5.0/5.0 stars **Reviewed by:** Benjamin M. | IT Support Specialist **Reviewed Date:** May 23, 2026 **What do you like best about Proton Mail For Business?** It’s focused on security and privacy. The cost feels fair for the features you get. **What do you dislike about Proton Mail For Business?** I’d like more control over which products I get with the business package. I left Suite because they kept adding bloat and extra features I’ll never use. **What problems is Proton Mail For Business solving and how is that benefiting you?** Security and privacy. It's a mail provider and it does it well ### 17. Privately Out in the World **Rating:** 5.0/5.0 stars **Reviewed by:** Jim G. | Founder Functionised Human Performance and Longevity, Small-Business (50 or fewer emp.) **Reviewed Date:** May 12, 2026 **What do you like best about Proton Mail For Business?** Proton Mail for business allows my entire organization to stay connected while keeping our communications encrypted. This gives us the confidence to communicate openly and safely with our patients, vendors, and colleagues. **What do you dislike about Proton Mail For Business?** Nothing. Its been my favorite email service for many years. **What problems is Proton Mail For Business solving and how is that benefiting you?** Encryption with HIPPA compliance as well as being able to utilize multiple email addresses from one login. ### 18. Privacy, Privacy, Privacy **Rating:** 5.0/5.0 stars **Reviewed by:** Robin M. | Owner **Reviewed Date:** May 12, 2026 **What do you like best about Proton Mail For Business?** It is so so so important in this day and age to have a guarantee of privacy and security in email for business, and Proton Mail is the company that can offer this. **What do you dislike about Proton Mail For Business?** I wish that the logo/favicon was customizable so that my business logo would show up for my clients when I send them emails **What problems is Proton Mail For Business solving and how is that benefiting you?** Comfort and Security ### 19. Best for stealth & sensitive industries **Rating:** 5.0/5.0 stars **Reviewed by:** Marc H. | CEO, Small-Business (50 or fewer emp.) **Reviewed Date:** April 09, 2026 **What do you like best about Proton Mail For Business?** I particularly enjoy the robust security features of Proton Mail. The end-to-end encryption, the sniffing of potentially risky domains, & the ability to run an Outlook bridge. Proton Mail also gives our organization credibility within risk & security communities. **What do you dislike about Proton Mail For Business?** Sometimes the security features can make new contact enrollment tricky. **What problems is Proton Mail For Business solving and how is that benefiting you?** Robust security features that align well with our business presence & objectives. We operate in a secretive environment & these security features are particularly essential. ### 20. Protect you and your customers information. **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Information Technology and Services **Reviewed Date:** May 12, 2026 **What do you like best about Proton Mail For Business?** Proton Mail for Business affords protection for my communications and sharing of files with my customers. If there is a hack and loss of email correspondence from a server, then I am confident it will not occur on my end. **What do you dislike about Proton Mail For Business?** I cannot think of a particular thing that is dislike. **What problems is Proton Mail For Business solving and how is that benefiting you?** The main problem of most email providers is their constant desire to acquire information about their users and somehow profit from that information. Proton Mail for Business does not play this game and I feel confident that I know my email is safe and secure. ### 21. Secure e-mail with my custom domain and great support **Rating:** 5.0/5.0 stars **Reviewed by:** Jaakko H. | Senior Lecturer **Reviewed Date:** April 15, 2026 **What do you like best about Proton Mail For Business?** Proton Mail provides me with a secure email service that works with my custom domain. Their support team is very knowledgeable and responds quickly. The pricing feels reasonable, and I’m happy to pay for this level of service. **What do you dislike about Proton Mail For Business?** So far, I haven’t found anything I dislike about the service. **What problems is Proton Mail For Business solving and how is that benefiting you?** I have a clear view of my emails in the client, with easy access on both my desktop and my mobile phones. ### 22. Good Secure Product **Rating:** 4.0/5.0 stars **Reviewed by:** Ronald R. | Owner, Small-Business (50 or fewer emp.) **Reviewed Date:** May 13, 2026 **What do you like best about Proton Mail For Business?** The security of the email service is very important to me. **What do you dislike about Proton Mail For Business?** There is very little I dislike about the mail product. I would like to be able to see a link to replies I made to emails instead of having to go to Sent and search for replies. **What problems is Proton Mail For Business solving and how is that benefiting you?** Able to link my domain and create multiple addresses. ### 23. Secure, useful, non-exploitive service **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Higher Education **Reviewed Date:** July 21, 2026 **What do you like best about Proton Mail For Business?** First, it works. You can use multiple addresses. You can filter and file. And it doesn't track you or sell your data. That's important. **What do you dislike about Proton Mail For Business?** It's a bit expensive. That makes it a bit less convenient. **What problems is Proton Mail For Business solving and how is that benefiting you?** I have multiple businesses, so it's great to be able to have one place where I can use all the different addresses for different clients. ### 24. Proton Mail Business is the move. **Rating:** 4.0/5.0 stars **Reviewed by:** Brandon P. **Reviewed Date:** April 16, 2026 **What do you like best about Proton Mail For Business?** I really enjoy having my business communication, files, and calendar protected by Protonmail. And their new offerings announced of Workspace Standard and Premium really is amazing. **What do you dislike about Proton Mail For Business?** The least helpful parts is that requested new items sometimes are bit slow for integration over the years I have been using since 2021. **What problems is Proton Mail For Business solving and how is that benefiting you?** It solves my privacy concerns and it benefits me because I value privacy for my business communication and files. ### 25. It is extremely utilitarian **Rating:** 4.0/5.0 stars **Reviewed by:** Will D. | Chief Marketing & Operations Officer - ARCade/Roberts Project, Small-Business (50 or fewer emp.) **Reviewed Date:** June 03, 2026 **What do you like best about Proton Mail For Business?** The encrypted messaging provided more sense of willingness for senders and receivers of text based email messages. **What do you dislike about Proton Mail For Business?** It doesn't have many ancillary GUIs and third party apps supporting it's use, appearance, add on services and the like. **What problems is Proton Mail For Business solving and how is that benefiting you?** Mostly solves psychological distress factors in digital communication. ### 26. Ease of Use and Safety **Rating:** 5.0/5.0 stars **Reviewed by:** Cooper . **Reviewed Date:** June 03, 2026 **What do you like best about Proton Mail For Business?** Proton Mail is very easy to incorporate into the business workflow. It is reliable and I appreciate the safety monitoring. **What do you dislike about Proton Mail For Business?** I wish that emails to and from those who do not use Proton could also be encrypted. **What problems is Proton Mail For Business solving and how is that benefiting you?** Proton Mail keeps me safe from nefarious emails. ### 27. Proton the perfect privacy focused alternative to consolidate multiple apps **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Wholesale **Reviewed Date:** April 10, 2026 **What do you like best about Proton Mail For Business?** for my business having privacy and security with all my data and files is a must. In a sea of alternatives that sell your data and unreliable services, proton is a lighthouse standing out as a genuine unique product that has helped me save money by consolidating different products i was paying for separately that were no where near as convenient or secure. **What do you dislike about Proton Mail For Business?** i wish i could pay for more storage without adding more users. as a solo entrepreneur i have no need for extra users but do need more space for online storage **What problems is Proton Mail For Business solving and how is that benefiting you?** drive storage, cross platform password and 2fa codes, the most reliable VPN ive ever used. ### 28. One of most trustworthy internet Communication Secure E-Mail **Rating:** 5.0/5.0 stars **Reviewed by:** Prof Dr Arthur Kurt E. **Reviewed Date:** May 12, 2026 **What do you like best about Proton Mail For Business?** I have one provider - non advertising organisation who sell our Infos. Private - competent - good pricing. Save and secure **What do you dislike about Proton Mail For Business?** For non technical people certain settings or adjustments are not some or easy **What problems is Proton Mail For Business solving and how is that benefiting you?** I use it since so many years , there were I need secure , and connecting via VPN global all rmai ### 29. Either you pay, or you are the product **Rating:** 5.0/5.0 stars **Reviewed by:** Mark E. | Advertising Executive **Reviewed Date:** May 12, 2026 **What do you like best about Proton Mail For Business?** Proton does a great job of keeping my data secure for a reasonable price. Their products work well and are reliable. **What do you dislike about Proton Mail For Business?** I have to have internet connectivity to use them, that is part of the security, but it can be annoying. **What problems is Proton Mail For Business solving and how is that benefiting you?** If you use Gmail, Google owns your data. If you use ProtonMail, you do. ### 30. Long time customer **Rating:** 5.0/5.0 stars **Reviewed by:** Chris H. | Post-sales Senior Network Engineer **Reviewed Date:** May 12, 2026 **What do you like best about Proton Mail For Business?** The same thing I have liked as a personal user. The security; I know where my email is and where it will stay. I leverage all of Proton's security focused apps. **What do you dislike about Proton Mail For Business?** It allows me to grow my user count at the pace my business grows. **What problems is Proton Mail For Business solving and how is that benefiting you?** One user dashboard. One place to control the entire workspace. ### 31. Great product **Rating:** 4.0/5.0 stars **Reviewed by:** Gary S. H. | Senior Project Manager **Reviewed Date:** June 05, 2026 **What do you like best about Proton Mail For Business?** I like the privacy and the ease of use. I use the full suite of products. **What do you dislike about Proton Mail For Business?** Sheets do not have pivot tables yet, otherwise it is a great tool. **What problems is Proton Mail For Business solving and how is that benefiting you?** It is keeping my correspondence private. Lots of what I discuss must kept private. ### 32. Proton ensures my clients get assured privacy **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Civic & Social Organization **Reviewed Date:** July 28, 2026 **What do you like best about Proton Mail For Business?** End-to-end encryption baked-in to the product. **What do you dislike about Proton Mail For Business?** That not everyone uses Proton Mail! If only everyone would make the change to privacy-focused solutions. **What problems is Proton Mail For Business solving and how is that benefiting you?** I must conform to GDPR and the UK DPA. To do that, I need to be sure my clients' data are protected as far as possible. Proton Mail helps to ensure that. ### 33. Great privacy focused email service **Rating:** 4.0/5.0 stars **Reviewed by:** Falk B. | Independent Consultant **Reviewed Date:** May 28, 2026 **What do you like best about Proton Mail For Business?** I've been using Proton Mail for almost 10 years now and it's my go to email solution. It works flawlessly and I like the privacy aspect about it. **What do you dislike about Proton Mail For Business?** Proton Mail keeps improving their product so there isn't really any downsides. **What problems is Proton Mail For Business solving and how is that benefiting you?** Having a privacy first email provider. ### 34. So far so good **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Computer & Network Security | Small-Business (50 or fewer emp.) **Reviewed Date:** May 13, 2026 **What do you like best about Proton Mail For Business?** Its dedication to privacy, ease of use when setting up things administratively, and the clean user interface **What do you dislike about Proton Mail For Business?** Nothing of note yet - potentially its lack of adoption and integrations compared to larger providers **What problems is Proton Mail For Business solving and how is that benefiting you?** Using a solution that is not from a large tech company and is focused on the privacy of its customers ### 35. Secure and reliable **Rating:** 5.0/5.0 stars **Reviewed by:** Norman L. | Hardware Engineer **Reviewed Date:** June 10, 2026 **What do you like best about Proton Mail For Business?** Real and responsive tech support. I had an issue and it was responded to quickly. **What do you dislike about Proton Mail For Business?** Their threading feature occasionally doesn't seem to work for my email. **What problems is Proton Mail For Business solving and how is that benefiting you?** Very secure email, connected to our domain. I can manage multiple users easily. ### 36. Encrypted, safe, customizable, and mobile-friendly **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Non-Profit Organization Management **Reviewed Date:** June 05, 2026 **What do you like best about Proton Mail For Business?** Without a doubt, the best part of Proton Mail is the high security and safety that it provides for our work. I am also extremely happy with the quick sync with mobile devices, as well as the way that customized features carry over between sessions. **What do you dislike about Proton Mail For Business?** Unfortunately, likely given the high amount of security, I have had several government and public agencies mark my emails as spam or unsafe. **What problems is Proton Mail For Business solving and how is that benefiting you?** It is solving the enormous and growing problem of digital surveillance. ### 37. it has been excellent **Rating:** 5.0/5.0 stars **Reviewed by:** Ric C. | board members **Reviewed Date:** July 14, 2026 **What do you like best about Proton Mail For Business?** i like its speed and ease of use and reliability. **What do you dislike about Proton Mail For Business?** i do not dislike anything. it serves my purpose very well. **What problems is Proton Mail For Business solving and how is that benefiting you?** dependability ### 38. Excellent Encrypted Business Mail with HIPPA compliance **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Mental Health Care **Reviewed Date:** July 29, 2026 **What do you like best about Proton Mail For Business?** The security, convenience, the bundled products, and the ability to migrate away from the tech giants. **What do you dislike about Proton Mail For Business?** I dislike not being able to open documents directly in my email. **What problems is Proton Mail For Business solving and how is that benefiting you?** I need HIPPA compliance I can trust, reliability, flexibility, customization, and easy user interfacing - I get all of those with Proton for Business. ### 39. Essential Security & Privacy Tool **Rating:** 5.0/5.0 stars **Reviewed by:** Vanessa Grace C. | YYC Ambassador & Marketing Manager **Reviewed Date:** June 09, 2026 **What do you like best about Proton Mail For Business?** The peace of mind having your data, communication and information secured and not sold to the technocrats & elites. **What do you dislike about Proton Mail For Business?** Nothing I dislike whatsoever when it comes to this platform. **What problems is Proton Mail For Business solving and how is that benefiting you?** Safety & Security in a world of Fraudulence & Theft ### 40. Works seamlessly **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Farming | Small-Business (50 or fewer emp.) **Reviewed Date:** May 12, 2026 **What do you like best about Proton Mail For Business?** Proton as an email provider works seamlessly. I wanted to get away from google and proton seemed like the logical choice. I use my own domain and it was easy to set up. The proton app on my computer as well as on my phone is better than my previous email client. It just works which is quite satisfying. **What do you dislike about Proton Mail For Business?** I have not run into any issues so far. Everything works as expected. **What problems is Proton Mail For Business solving and how is that benefiting you?** This lets me use my own domain as well as my personal email all in one email client. ### 41. Excellent, consistent, secure software **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Mental Health Care | Small-Business (50 or fewer emp.) **Reviewed Date:** May 26, 2026 **What do you like best about Proton Mail For Business?** Proton Mail is the best secure mail service I've used. It's affordable, efficient, and reliable. I feel like a valued user of their software as they're always communicative about updates, take in feedback, and give back to customers when they can (e.g., expanding memory capacity). The platform is easy to use and uncluttered. **What do you dislike about Proton Mail For Business?** I have not found any downsides to using this platform. **What problems is Proton Mail For Business solving and how is that benefiting you?** It ensures my communication with my clients is secure and confidential. As a therapist, this is vital to my practice. ### 42. Easy Secure Setup with Custom Domain and Default Encrypted Emails **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Consulting | Small-Business (50 or fewer emp.) **Reviewed Date:** June 03, 2026 **What do you like best about Proton Mail For Business?** Protein Mail was easy to set up with a custom domain and lots of help provided to make it easy to set up securely. As a bonus, all emails to other proton users are encrypted by default **What do you dislike about Proton Mail For Business?** Initially, I had the issue that some companies considered me to be potential spammer-this may in part be due to new domain having sent few emails rather than Proton **What problems is Proton Mail For Business solving and how is that benefiting you?** Proton Mail allows me to have my own custom domain and secure emails ### 43. Exceptional Tools & Love the Encryption **Rating:** 5.0/5.0 stars **Reviewed by:** Lee P. **Reviewed Date:** June 03, 2026 **What do you like best about Proton Mail For Business?** Easy to use and they keep improving the services and integration ability. **What do you dislike about Proton Mail For Business?** Not much, everything works just fine for me. **What problems is Proton Mail For Business solving and how is that benefiting you?** Keeping our data safe and providing essentially the same features as everything else out there. Cannot be hacked by nefarious countries ### 44. top tier private mail and groupware solution **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Non-Profit Organization Management **Reviewed Date:** July 21, 2026 **What do you like best about Proton Mail For Business?** i strongly approve of the privacy stance, and respect for users that proton ag has; they build solid software that does what it says, and nothing else. **What do you dislike about Proton Mail For Business?** the walled garden that they are kind of forced to create means not everything plays well with other orgs and peers. **What problems is Proton Mail For Business solving and how is that benefiting you?** email client, file store, contact database, calendar ### 45. Proton mail best email for privacy and security **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Hospital & Health Care | Small-Business (50 or fewer emp.) **Reviewed Date:** May 12, 2026 **What do you like best about Proton Mail For Business?** Proton Mail has been a solid choice for our business end-to-end encryption is handled automatically, and the fact that everything is based in Switzerland under strict privacy laws gives real peace of mind. Zero-access encryption means even Proton can’t read my messages, and after using it daily I’ve had no issues with reliability or deliverability. For anyone who cares about keeping their inbox genuinely private, it’s hard to beat.​​​​​​​​​​​​​​​​ **What do you dislike about Proton Mail For Business?** It is sometimes difficult to search old emails due to encryption lag **What problems is Proton Mail For Business solving and how is that benefiting you?** Security and privacy are foremost and work flawlessly ### 46. A preefect solution for high security email, data storage and exchange of information. **Rating:** 4.5/5.0 stars **Reviewed by:** John A. | Chief Executive, Small-Business (50 or fewer emp.) **Reviewed Date:** May 13, 2026 **What do you like best about Proton Mail For Business?** Efficient, easy to use software with great contact list storage and classification. Above all the high level of security and encryption offered by the platform. **What do you dislike about Proton Mail For Business?** I can think of no downsides for the use of Proton Mail for business. What's not to like? **What problems is Proton Mail For Business solving and how is that benefiting you?** Confidential exchange of key information with client groups. ### 47. Great option **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Accounting **Reviewed Date:** May 13, 2026 **What do you like best about Proton Mail For Business?** Not only is it a great email service, but I get a lot of things for what I pay. I don't have to rely on Google's services. **What do you dislike about Proton Mail For Business?** I haven't found too much I dislike. It would be nice if I could search in a tag or folder, but I'm not sure if this is something other email services offer, either. **What problems is Proton Mail For Business solving and how is that benefiting you?** It's solving the problem that I don't want to utilize Google at all. Proton offers a wide enough variety of services that I can completely cut Google out. ### 48. When Encryption is Non-Negotiable **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Mental Health Care **Reviewed Date:** May 18, 2026 **What do you like best about Proton Mail For Business?** As a mental health provider, information security is mandatory. I can trust Proton Mail keeps my information and my patients' information safe and encrypted end-to-end. **What do you dislike about Proton Mail For Business?** Threaded messages don't work as well as I'd like. It lumps threads together based on subject heading, even if it's from different senders. This feature needs work. My inbox is clunkier than I'd like because I can't use threaded messaging effectively for my needs. **What problems is Proton Mail For Business solving and how is that benefiting you?** I need a secure email platform. Google is untrustworthy and Proton provides a solid, secure option. ### 49. Absolute privacy **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Health, Wellness and Fitness **Reviewed Date:** May 13, 2026 **What do you like best about Proton Mail For Business?** I never have to think twice about privacy, especially in my business, where i handle sensitive info all the time. **What do you dislike about Proton Mail For Business?** I can't think of anything i don't like, but the tech support takes too long. **What problems is Proton Mail For Business solving and how is that benefiting you?** i have to stay HIPAA compliant 24/7. I don't have to think twice with ProtonMail ### 50. Best Email, Password Protection, and Online Storage Solution for Secure-Conscience Businesses **Rating:** 5.0/5.0 stars **Reviewed by:** Roberto G. | Sr. Systems & Network Engineer **Reviewed Date:** May 13, 2026 **What do you like best about Proton Mail For Business?** I like the encryption mechanism. I can encrypt with my own passwords and also set the expiration. **What do you dislike about Proton Mail For Business?** I haven't had anything to complain about yet **What problems is Proton Mail For Business solving and how is that benefiting you?** I like the multiple aliases I can attach to an email account in addressing my many business needs like marketing, sales, technical support, information, etc. ## Proton Mail For Business Discussions - [When is the launching date of proton drive?](https://www.g2.com/discussions/when-is-the-launching-date-of-proton-drive) - 1 comment, 2 upvotes - [What is Protonmail used for?](https://www.g2.com/discussions/protonmail-what-is-protonmail-used-for) - 1 comment - [Can police track ProtonMail?](https://www.g2.com/discussions/can-police-track-protonmail) - 1 comment - [Is ProtonMail legitimate?](https://www.g2.com/discussions/is-protonmail-legitimate) - 2 comments - [View Proton Mail For Business pricing details and edition comparison](https://www.g2.com/products/proton-mail-for-business/reviews?page=5§ion=pricing&secure%5Bexpires_at%5D=2026-08-01+13%3A56%3A17+-0500&secure%5Bsession_id%5D=24d49455-d82d-42d5-969c-493b6e4ec96a&secure%5Btoken%5D=73350512e394bc3d0faaa31b57910fb7805efa9e45d00ecc7093e0a9e36e4c76&format=llm_user) ## Proton Mail For Business Integrations - [Apple Mail](https://www.g2.com/products/apple-mail/reviews) - [Custom Web Application Development](https://www.g2.com/products/mind-it-systems-custom-web-application-development/reviews) - [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) - [Thunderbird](https://www.g2.com/products/thunderbird/reviews) - [Zoho Desk](https://www.g2.com/products/zoho-desk/reviews) - [Zoom Rooms](https://www.g2.com/products/zoom-rooms/reviews) ## Proton Mail For Business Features **Generative AI** - AI Text Generation - AI Text Summarization **Encryption Techniques - Email Encryption** - Encryption Algorithms - Transport Encryption - End-to-End Encryption **Authentication, Verification, and Access Controls - Email Encryption** - Revocation Mechanisms - Access Controls - Digital Signatures - Certificate Authorities **Security Enhancements and Auditing - Email Encryption** - Malware Scanning - Reporting **Integration, Compatibility, and Usability - Email Encryption** - User-Friendly Interfaces - Email Client Integration - Automation ## Top Proton Mail For Business Alternatives - [Spike](https://www.g2.com/products/spike/reviews) - 4.6/5.0 (250 reviews) - [Google Workspace](https://www.g2.com/products/google-workspace/reviews) - 4.6/5.0 (45,643 reviews) - [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) - 4.5/5.0 (3,430 reviews)