# Best M&A Software for Medium-Sized Businesses *By [Neya Kumaresan](https://research.g2.com/insights/author/neya-kumaresan)* Products classified in the overall M&A Software category are similar in many regards and help companies of all sizes solve their business problems. However, medium-sized business features, pricing, setup, and installation differ from businesses of other sizes, which is why we match buyers to the right Medium-Sized Business M&A Software to fit their needs. Compare product ratings based on reviews from enterprise users or connect with one of G2's buying advisors to find the right solutions within the Medium-Sized Business M&A Software category. In addition to qualifying for inclusion in the M&A Software category, to qualify for inclusion in the Medium-Sized Business M&A Software category, a product must have at least 10 reviews left by a reviewer from a medium-sized business. ## How Many M&A Software Products Does G2 Track? **Total Products under this Category:** 39 ### Category Stats (Jun 2026) - **Average Rating**: 4.66/5 (↑0.03 vs May 2026) The average rating of products in this category, based on all submitted ratings - **Top Trending Product**: Datasite Diligence (+0.11%) - Among all products in this category, Datasite Diligence recorded the largest rating increase compared to last month *Last updated: June 23, 2026* ## How Does G2 Rank M&A Software Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 600+ Authentic Reviews - 39+ Products - Unbiased Rankings G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category. --- **Sponsored** ### Datasite Diligence Datasite Diligence® is the trusted hub for conducting due diligence, offering advanced virtual data room technology and AI-powered deal intelligence to optimize every stage of deal-making. With Blueflame AI for secure interrogation of data room content and Datasite’s MCP for connecting your preferred AI tools directly to your deal environment, the platform delivers the speed, accuracy, and security that modern deals demand. With Datasite Diligence, you can accelerate deal closures and approach negotiations with confidence, freed from the administrative burden of due diligence. The Datasite platform streamlines the sell-side process, automating manual tasks involved in deal preparation. Upload and organize content effortlessly through simple drag-and-drop actions or direct email integration — or use Datasite’s MCP to connect Claude, ChatGPT, or Copilot directly to your deal room. Create projects, build industry-specific folder structures, upload and organize files, and manage user access, all from your preferred AI without leaving your existing workflow. Seamlessly manage request lists within the VDR and grant access to relevant documents for various workstreams. Set up workflows, roles, and categories swiftly with an integrated Q&A system. With Blueflame AI, draft responses to buyer questions grounded in your data room content — with cited sources — so your team reviews and approves instead of writing from scratch. Common Q&A can be elevated to FAQ for quick reference, with full Excel export. Enhance your redaction efforts with confidence using the platform's AI capabilities. Easily identify sensitive words or PII across the data room and efficiently mark or unmark text for redaction, with categorized reasons for each decision. Ensure accurate search results, regardless of document language, with the platform's OCR engine supporting 17+ languages — and go beyond keywords with AI-powered semantic search to surface exactly what you need, faster. Keep a close eye on engagement and behavior within the data room, even at the individual page level, with near real-time reporting, custom dashboards, and automated reporting schedules. Whatever your business, industry, purpose, or role, Datasite Diligence® combines the security of the world's most trusted deal environment with the AI capabilities your team already relies on — so every transaction moves faster, with greater confidence. [Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=paid_promo&secure%5Bad_slot%5D=category_product_list&secure%5Bcategory_id%5D=2055&secure%5Bmedium%5D=sponsored&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=41421&secure%5Bresource_id%5D=2055&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Fm-a-software%2Fmid-market&secure%5Btoken%5D=070f396a785a42fdbf338345df743f5bd76be6b2a87e9abf5b77f54e6f43be10&secure%5Burl%5D=https%3A%2F%2Fwww.datasite.com%2Fus%2Fen.html&secure%5Burl_type%5D=paid_promos) --- ## What Are the Top-Rated M&A Software Products in 2026? ### 1. [Datasite Diligence](https://www.g2.com/products/datasite-diligence/reviews) Datasite Diligence® is the trusted hub for conducting due diligence, offering advanced virtual data room technology and AI-powered deal intelligence to optimize every stage of deal-making. With Blueflame AI for secure interrogation of data room content and Datasite’s MCP for connecting your preferred AI tools directly to your deal environment, the platform delivers the speed, accuracy, and security that modern deals demand. With Datasite Diligence, you can accelerate deal closures and approach negotiations with confidence, freed from the administrative burden of due diligence. The Datasite platform streamlines the sell-side process, automating manual tasks involved in deal preparation. Upload and organize content effortlessly through simple drag-and-drop actions or direct email integration — or use Datasite’s MCP to connect Claude, ChatGPT, or Copilot directly to your deal room. Create projects, build industry-specific folder structures, upload and organize files, and manage user access, all from your preferred AI without leaving your existing workflow. Seamlessly manage request lists within the VDR and grant access to relevant documents for various workstreams. Set up workflows, roles, and categories swiftly with an integrated Q&A system. With Blueflame AI, draft responses to buyer questions grounded in your data room content — with cited sources — so your team reviews and approves instead of writing from scratch. Common Q&A can be elevated to FAQ for quick reference, with full Excel export. Enhance your redaction efforts with confidence using the platform's AI capabilities. Easily identify sensitive words or PII across the data room and efficiently mark or unmark text for redaction, with categorized reasons for each decision. Ensure accurate search results, regardless of document language, with the platform's OCR engine supporting 17+ languages — and go beyond keywords with AI-powered semantic search to surface exactly what you need, faster. Keep a close eye on engagement and behavior within the data room, even at the individual page level, with near real-time reporting, custom dashboards, and automated reporting schedules. Whatever your business, industry, purpose, or role, Datasite Diligence® combines the security of the world's most trusted deal environment with the AI capabilities your team already relies on — so every transaction moves faster, with greater confidence. **Average Rating:** 4.5/5.0 **Total Reviews:** 412 **How Do G2 Users Rate Datasite Diligence?** - **Has the product been a good partner in doing business?:** 9.1/10 (Category avg: 9.5/10) - **Project Management:** 7.6/10 (Category avg: 8.7/10) - **Deal Sourcing:** 6.3/10 (Category avg: 8.4/10) - **Task Management:** 7.4/10 (Category avg: 8.7/10) **Who Is the Company Behind Datasite Diligence?** - **Seller:** [Datasite](https://www.g2.com/sellers/datasite) - **Company Website:** https://datasite.com - **Year Founded:** 1968 - **HQ Location:** Minneapolis, MN - **Twitter:** @DatasiteGlobal (5,328 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/datasiteglobal/ (1,463 employees on LinkedIn®) **Who Uses This Product?** - **Who Uses This:** Associate, Analyst - **Top Industries:** Financial Services, Investment Banking - **Company Size:** 36% Enterprise, 29% Mid-Market #### What Are Datasite Diligence's Pros and Cons? **Pros:** - Ease of Use (149 reviews) - Document Management (63 reviews) - User Interface (59 reviews) - Features (58 reviews) - Navigation Ease (56 reviews) **Cons:** - Expensive (44 reviews) - File Management (42 reviews) - Slow Performance (41 reviews) - Learning Difficulty (35 reviews) - Access Control (23 reviews) ### What Do G2 Reviewers Say About Datasite Diligence? *AI-generated summary from verified user reviews* **Pros:** - Users appreciate the **ease of use** of Datasite Diligence, enjoying its clear structure and easy navigation. - Users value the **clear document organization** in Datasite Diligence, enhancing efficiency and ease of access during due diligence. - Users find the **user interface of Datasite Diligence** highly intuitive and appreciate its efficient navigation and support. - Users value the **intuitive and user-friendly interface** of Datasite Diligence, enhancing efficiency and collaboration in their projects. - Users appreciate the **intuitive navigation** of Datasite Diligence, which simplifies document management for everyone involved. **Cons:** - Users find Datasite Diligence to be **expensive** , especially with the rising costs after initial terms end. - Users find **file management slow** , especially with large uploads and bulk downloads, impacting their overall experience. - Users experience **slow performance** with Datasite Diligence, particularly when handling large document sets and uploads. - Users find the **learning difficulty** of Datasite Diligence challenging, particularly for new users navigating advanced features. - Users find **role and team management unclear** , making it challenging to manage access and permissions effectively. #### What Are Recent G2 Reviews of Datasite Diligence? **"[Secure, Well-Organized Document Management That Streamlines Due Diligence](https://www.g2.com/survey_responses/datasite-diligence-review-12982371)"** **Rating:** 4.0/5.0 stars *— Pranav K.* [Read full review](https://www.g2.com/survey_responses/datasite-diligence-review-12982371) --- **"[Organized Data Room with Powerful Search and Activity Tracking](https://www.g2.com/survey_responses/datasite-diligence-review-12395908)"** **Rating:** 4.0/5.0 stars *— Nijat I.* [Read full review](https://www.g2.com/survey_responses/datasite-diligence-review-12395908) --- ### 2. [Midaxo](https://www.g2.com/products/midaxo/reviews) Midaxo is purpose-built M&A software and the M&A Intelligence Platform that connects strategy, execution, and value realization in one system. Designed for Corporate Development teams, Midaxo helps organizations move faster, stay aligned, and reduce risk across the full M&A lifecycle. More than 500 companies use Midaxo to manage 5,000+ transactions representing over $1 trillion in deal value. The Midaxo platform supports how teams plan, source, evaluate, and execute inorganic growth, providing clear visibility, structured workflows, and better decision support from early strategy through post-close integration. M&A Strategy Management Midaxo helps teams align on M&A goals, priorities, and decision criteria from day one. Strategy, assumptions, and targets stay visible and connected as teams scale, ensuring alignment between leadership, corporate development, and deal teams. Deal Pipeline CRM The Pipeline CRM centralizes deal sourcing and pipeline management, giving teams real-time visibility into targets, opportunities, and priorities. Teams source smarter, prioritize more effectively, and improve deal predictability with a single, shared pipeline. Due Diligence Management Midaxo brings structure and clarity to due diligence by centralizing documents, tasks, risks, and collaboration in one secure environment. Teams manage diligence with transparency and control, reduce execution risk, and move deals forward with confidence. Post-Merger Integration & Value Tracking Post-close, Midaxo connects teams and execution plans to ensure accountability and momentum. Best-practice playbooks, real-time reporting, and value tracking help teams turn integration into measurable, lasting outcomes. Madi — Agentic AI for M&A Madi is the AI built into Midaxo that understands M&A. It analyzes your documents, knows your project context, and surfaces what matters — risks, insights, and next steps. Madi adapts to where you are in the deal, whether that's diligence, integration, or anywhere in between. Every suggestion requires your approval. Everything is audit-logged. Madi does the work. Your team makes the calls. See Midaxo in action — schedule a live demo: https://www.midaxo.com/book-a-demo **Average Rating:** 4.6/5.0 **Total Reviews:** 39 **How Do G2 Users Rate Midaxo?** - **Has the product been a good partner in doing business?:** 9.8/10 (Category avg: 9.5/10) - **Project Management:** 8.4/10 (Category avg: 8.7/10) - **Deal Sourcing:** 6.9/10 (Category avg: 8.4/10) - **Task Management:** 8.3/10 (Category avg: 8.7/10) **Who Is the Company Behind Midaxo?** - **Seller:** [Midaxo](https://www.g2.com/sellers/midaxo) - **Company Website:** https://www.midaxo.com - **Year Founded:** 2011 - **HQ Location:** Boston, Massachusetts - **Twitter:** @Midaxo (651 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/2366962/ (31 employees on LinkedIn®) **Who Uses This Product?** - **Company Size:** 41% Enterprise, 31% Mid-Market #### What Are Midaxo's Pros and Cons? **Pros:** - Business Acquisition (5 reviews) - Customer Support (3 reviews) - Ease of Use (2 reviews) - Efficiency (2 reviews) - Features (2 reviews) **Cons:** - Limited Customization (2 reviews) - File Management (1 reviews) - Inadequate Reporting (1 reviews) - Slow Performance (1 reviews) - Upload Issues (1 reviews) ### What Do G2 Reviewers Say About Midaxo? *AI-generated summary from verified user reviews* **Pros:** - Users value the **efficient M&A pipeline tracking** of Midaxo, significantly enhancing organization and collaboration within teams. - Users rave about Midaxo's **exceptional customer support** , noting responsive and knowledgeable assistance that enhances the overall experience. - Users find Midaxo **easy to use** , facilitating seamless management and clear visibility for the corporate development team. - Users laud Midaxo for its **improved efficiency** in managing M&A pipelines, streamlining processes effortlessly. - Users commend Midaxo for its **responsive customer service** and commitment to continuous improvement and user-focused updates. **Cons:** - Users note the **limited customization** options in Midaxo, which may hinder adapting the platform to specific workflows. - Users find the current **file management and task upload process cumbersome** , wishing for improved customization and filtering options. - Users find the **inadequate reporting** in Midaxo necessitates customer support for customizations, causing frustration. - Users experience **slow performance** with analytics, hindering timely insights and complicating workflows with large datasets. - Users express concerns over **upload issues** , specifically the complicated process of loading tasks via index systems. #### What Are Recent G2 Reviews of Midaxo? **"[Best of Breed tool built for M&A](https://www.g2.com/survey_responses/midaxo-review-9217877)"** **Rating:** 5.0/5.0 stars *— Amit S.* [Read full review](https://www.g2.com/survey_responses/midaxo-review-9217877) --- **"[Cost effective application](https://www.g2.com/survey_responses/midaxo-review-10322031)"** **Rating:** 5.0/5.0 stars *— Kristy B.* [Read full review](https://www.g2.com/survey_responses/midaxo-review-10322031) --- #### What Are G2 Users Discussing About Midaxo? - [How do you use Midaxo?](https://www.g2.com/discussions/how-do-you-use-midaxo) - [What does Midaxo do?](https://www.g2.com/discussions/what-does-midaxo-do) - [What is M&A software?](https://www.g2.com/discussions/what-is-m-a-software) - [What is Midaxo used for?](https://www.g2.com/discussions/what-is-midaxo-used-for) - 1 comment ### 3. [DealRoom](https://www.g2.com/products/dealroom/reviews) DealRoom is the leading M&A Software Platform, purpose-built to streamline deal execution. By providing a single, centralized source of truth for all deal data, DealRoom enables seamless collaboration and alignment among deal teams, sellers, and integration teams. With workflow automation, granular permissions, and customizable reporting, it delivers full control and visibility throughout the M&A process. DealRoom is designed to simplify complex deal management, helping stakeholders work more efficiently and achieve successful outcomes. Learn more at www.dealroom.net **Average Rating:** 4.3/5.0 **Total Reviews:** 66 **How Do G2 Users Rate DealRoom?** - **Has the product been a good partner in doing business?:** 9.2/10 (Category avg: 9.5/10) - **Project Management:** 8.3/10 (Category avg: 8.7/10) - **Deal Sourcing:** 5.0/10 (Category avg: 8.4/10) - **Task Management:** 8.3/10 (Category avg: 8.7/10) **Who Is the Company Behind DealRoom?** - **Seller:** [DealRoom](https://www.g2.com/sellers/dealroom) - **Year Founded:** 2012 - **HQ Location:** Chicago, IL - **Twitter:** @dealroominc (2,481 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/9478281/ (72 employees on LinkedIn®) **Who Uses This Product?** - **Who Uses This:** Investment Banking Analyst - **Top Industries:** Financial Services, Investment Banking - **Company Size:** 41% Small-Business, 30% Enterprise #### What Are DealRoom's Pros and Cons? **Pros:** - Collaboration (2 reviews) - Ease of Use (2 reviews) - Intuitive (2 reviews) - Intuitive Use (2 reviews) - Communication (1 reviews) ### What Do G2 Reviewers Say About DealRoom? *AI-generated summary from verified user reviews* **Pros:** - Users value the **seamless collaboration** enabled by DealRoom's intuitive workspace and secure document exchange. - Users appreciate the **ease of use** of DealRoom, highlighting its intuitive interface and seamless project management features. - Users love the **modern and intuitive user interface** of DealRoom, making project management and communication effortless. - Users appreciate the **intuitive interface** of DealRoom, enabling seamless collaboration and secure project management. - Users appreciate the **seamless communication** capabilities of DealRoom, enhancing collaboration while ensuring document security. #### What Are Recent G2 Reviews of DealRoom? **"[Dealroom is easy to use and a great source of insight on VCs, start-up and tech ecosystems](https://www.g2.com/survey_responses/dealroom-review-7365746)"** **Rating:** 4.5/5.0 stars *— Julian M.* [Read full review](https://www.g2.com/survey_responses/dealroom-review-7365746) --- **"[Streamlined collaboration for complex deals and process](https://www.g2.com/survey_responses/dealroom-review-11791318)"** **Rating:** 4.5/5.0 stars *— Jeevan M.* [Read full review](https://www.g2.com/survey_responses/dealroom-review-11791318) --- #### What Are G2 Users Discussing About DealRoom? - [What are data rooms used for?](https://www.g2.com/discussions/what-are-data-rooms-used-for) - [Is DealRoom free?](https://www.g2.com/discussions/is-dealroom-free) - [What is M&A software?](https://www.g2.com/discussions/dealroom-what-is-m-a-software) - [What does DealRoom do?](https://www.g2.com/discussions/what-does-dealroom-do) ## What Is M&A Software? [Financial Services Software](https://www.g2.com/categories/financial-services)