Best Auditing Services Providers

How Many Auditing Services Providers Products Does G2 Track?

Total Products under this Category: 42

Category Stats (Sep 2026)

  • Average Rating: 4.62/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Baker Tilly (+0.11%) - Among all products in this category, Baker Tilly recorded the largest rating increase compared to last month

Last updated: September 18, 2026

How Does G2 Rank Auditing Services Providers Products?

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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.

G2 Grid® for Auditing Services Providers

G2 Grid® for Auditing Services Providers plotting products by satisfaction and market presence

Highlighted products: Insight Assurance, Deloitte Consulting, Johanson Group, PwC, and Decrypt Compliance.

Underlying data: [Grid® JSON](https://www.g2.com/categories/auditing-services/grids.json?focus%5B%5D=insight-assurance&focus%5B%5D=deloitte-consulting&focus%5B%5D=johanson-group&focus%5B%5D=pwc-pwc&focus%5B%5D=decrypt-compliance)

Insight Assurance

Insight Assurance is a global cybersecurity and compliance firm that supports organizations across industries in navigating complex regulatory frameworks with clarity and confidence. Our team brings extensive experience from top public accounting firms—including Big 4 backgrounds—to deliver high-quality audit and advisory services aligned with SOC 2, ISO 27001, PCI DSS, HITRUST, and other industry standards. We serve startups, large enterprises, and public sector entities with a flexible, collaborative approach that emphasizes risk awareness, operational integrity, and long-term resilience. As an independent third-party, we are committed to helping organizations meet their compliance responsibilities without compromising on quality or trust. Delivering Quality, Assuring Trust.

Average Rating: 4.9/5.0

Total Reviews: 145

Who Is the Company Behind Insight Assurance?

  • Seller: Insight Assurance
  • Company Website:
  • Year Founded: 2020
  • HQ Location: Tampa, FL
  • LinkedIn® Page: www.linkedin.com
    200 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 52% Small, 32% Medium

What Are Recent G2 Reviews of Insight Assurance?

Deloitte Consulting

Deloitte is an accounting firms and professional services network that provides audit, tax, consulting, enterprise risk and financial advisory services

Average Rating: 4.2/5.0

Total Reviews: 62

Who Is the Company Behind Deloitte Consulting?

  • Seller: Deloitte
  • Year Founded: 1845
  • HQ Location: New York, NY
  • Twitter: @Deloitte
    562,799 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    533,661 employees on LinkedIn®
  • Phone: +1 212 492 4000

Who Uses This Product?

  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 74% Large, 71% Medium

What Do G2 Reviewers Say About Deloitte Consulting?

AI-generated summary from verified user reviews

Pros
  • Users value the depth of knowledge at Deloitte Consulting, appreciating their expertise and responsive support during implementations.
  • Users value Deloitte Consulting's expertise and experience, benefiting from comprehensive solutions and industry-specific knowledge.
  • Users value Deloitte Consulting for their reliability and expertise, delivering innovative solutions and responsive support in analytics.
  • Users value the helpful support from Deloitte Consulting, especially in implementing complex Salesforce analytics effectively.
  • Users value the reliability of Deloitte Consulting, benefiting from their decades of expertise and trusted audit results.
Cons
  • Users note that the cost can be on the higher side for companies of their size.
  • Users experience miscommunication due to outsourcing, time zone differences, and a lack of frequent updates from auditors.
  • Users express concern over the limited availability of Deloitte Consulting during the crucial post-production implementation phase.
  • Users experience outsourcing issues, leading to confusion and difficulties due to varying time zones and communication challenges.
  • Users experience confusion due to time zone issues from outsourcing, complicating communication and relationship-building with auditors.

What Are Recent G2 Reviews of Deloitte Consulting?

What Are G2 Users Discussing About Deloitte Consulting?

Johanson Group

Johanson Group is equipped to meet the compliance needs of companies worldwide, with a team of experts working across the globe. Specializing in SOC, ISO, PCI DSS, GDPR, HIPAA, and CCPA certifications, we provide a wide range of services tailored to each client's unique requirements. Our goal is to deliver the highest quality support, helping clients achieve the security posture that best aligns with their business objectives.

Average Rating: 4.9/5.0

Total Reviews: 109

Who Is the Company Behind Johanson Group?

  • Seller: Johanson Group
  • Year Founded: 2014
  • HQ Location: Colorado Springs
  • Twitter: @JohansonGroup
    105 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    54 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 69% Small, 14% Medium

What Are Recent G2 Reviews of Johanson Group?

PwC

We occupy a leading position on the market for auditing and consultancy. PwC provides support to clients from all sectors to enable them to obtain their objectives – thanks to our worldwide network, the opportunities are boundless. If you would like to know something about PwC, the best way would be for us to first tell you about our clients – this is because we are serious when we say that you enjoy top priority at PwC. PwC advises groups and family-owned companies, industrial and service companies, global players and local heroes, the public sector, associations and NGOs. Because they are able to rely on us, we are the leading auditing and consultancy company in Germany. And because more than 13,000 specialists with around 600 partners at 21 locations in Germany are working every day to ensure that this trust is justified. The services provided by PwC to its clients are spread over three divisions: Audit and audit-related services (Assurance), tax and legal advice (Tax & Legal) as well as deals and consulting (Advisory). The experts in the respective divisions work together to enable comprehensive and long-term assistance to be provided to clients – whereby we of course comply strictly with the legal requirements when we provide advice as well as auditing services to a company. Our work would be inconceivable without integrity, objectivity and a professional approach. We accompany you wherever you want to go What else can our clients expect from PwC? Solutions which are based on modern theories and methods and which at the same time have demonstrated their worth in practical applications. Decades of experience. Extensive sector knowledge and expertise. Quality in all respects – and support and professional services provided across all borders. Because PwC Germany is an independent member of the global PwC network and is able to access the support provided by more than 327,000 people in 152 countries throughout the world. This means that we provide support to companies not only in all phases of their development but also at all locations.

Average Rating: 4.2/5.0

Total Reviews: 39

Who Is the Company Behind PwC?

  • Seller: PwC
  • Year Founded: 1998
  • HQ Location: United Kingdom
  • Twitter: @PwC
    203,971 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    299,621 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Accounting
  • Company Size: 46% Medium, 38% Large

What Do G2 Reviewers Say About PwC?

AI-generated summary from verified user reviews

Pros
  • Users value PwC for its unmatched expertise and interaction with industry leaders, enhancing their professional development.
  • Users value the unmatched exposure at PwC, interacting with global industry experts across various fields.
  • Users value the global collaboration at PwC, gaining unmatched exposure to industry experts across diverse fields.
  • Users value the unmatched exposure to industry experts at PwC, enhancing their professional growth and knowledge.

What Are Recent G2 Reviews of PwC?

What Are G2 Users Discussing About PwC?

Decrypt Compliance

Decrypt Compliance is a licensed CPA firm that provides independent cybersecurity and compliance audit services for cloud-native startups and high-growth technology companies. The firm operates as both a public accounting practice and an accredited certification body, specializing in frameworks that help organizations demonstrate security, privacy, and governance to their customers. Decrypt’s services are designed for technology-driven companies that need formal certifications to meet customer and regulatory expectations. Typical use cases include obtaining SOC 2 reports for customer assurance, achieving ISO 27001 certification to support enterprise sales, or aligning with ISO 42001 for artificial intelligence governance. By working with Decrypt, companies address customer questions about trust and risk management while building a compliance foundation that scales with business growth. As a firm rooted in Silicon Valley, Decrypt combines the rigor of traditional audit practice with a modern, technology-enabled approach. Audits are conducted by professionals who are fluent across multiple frameworks, reducing the complexity of working with separate specialists for each certification. The process emphasizes readiness, efficiency, and accuracy, ensuring that organizations receive credible results that can be confidently shared with customers and partners. Our work is guided by three core values that directly shape the client experience: Responsiveness, Responsibility, and Resilience: - Responsive: Clients can expect clear, concise communication, timely updates, and proactive guidance that anticipates next steps. This minimizes uncertainty and keeps projects moving without last-minute surprises - Responsible: As independent assessors, we adhere to the highest professional standards, hold ourselves and others accountable to commitments, and provide transparent judgments — including acknowledging what we don’t yet know - Resilient: We evaluate challenges objectively, adapt quickly to unexpected issues, and commit to continuous improvement so that clients receive reliable results even in complex or fast-changing environments Key Features and Value Propositions: - Independent audit and certification services across SOC 2, ISO 27001, ISO 42001, and related frameworks. - Cross-trained audit professionals who streamline multi-framework engagements into a unified process. - Technology-enabled methodology that incorporates AI throughout the entire audit process, not just for evidence requests, to streamline review, highlight risks, and deliver timely certifications. Decrypt Compliance is licensed as a CPA firm in the state of California (License #9491).

Average Rating: 4.9/5.0

Total Reviews: 11

Who Is the Company Behind Decrypt Compliance?

Who Uses This Product?

  • Company Size: 82% Small, 18% Medium

What Are Recent G2 Reviews of Decrypt Compliance?

Sensiba LLP

Sensiba is a Top 75 accounting and consulting firm with teams across North America, APAC, and EMEA. We serve clients at every stage—from fast-growing startups and VC firms to manufacturers and real estate enterprises—helping them solve complex problems, navigate uncertainty, and build a foundation for sustainable success. It’s how we've grown from our Silicon Valley roots nearly 50 years ago into the global firm we are today. We’re innovators redefining what professional services can be. What you'll feel day-to-day is this: relationships are everything. We treat people the way we want to be treated—our clients, our colleagues, and our communities. As a Certified B Corp, we hold the firm to high standards of social and environmental performance and ethical governance. Our mission is to ‘Account for Good’, guided by values that inform our decisions and support our stakeholders.

Average Rating: 4.9/5.0

Total Reviews: 9

Who Is the Company Behind Sensiba LLP?

  • Seller: Sensiba
  • Year Founded: 1977
  • HQ Location: San Ramon, California, United States
  • LinkedIn® Page: www.linkedin.com
    483 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 56% Small, 33% Medium

What Are Recent G2 Reviews of Sensiba LLP?

Ernst & Young

One of the world's leading professional services organizations, helps companies across the globe to identify and capitalize on business opportunities.

Average Rating: 4.1/5.0

Total Reviews: 20

Who Is the Company Behind Ernst & Young?

Who Uses This Product?

  • Company Size: 70% Large, 40% Medium

What Are Recent G2 Reviews of Ernst & Young?

What Are G2 Users Discussing About Ernst & Young?

INTERCERT

Since 2009, INTERCERT has made compliance simple. We are present in the USA, India and 26 other countries. From small to multinational organizations, we have served 10,000+ clients worldwide. The force behind this is our dedicated team of 250+ assessors. We offer services across four divisions: GRC, Management System Certification (ISO), Training and Security Testing. We build a secure and sustainable world through our services.

Average Rating: 5.0/5.0

Total Reviews: 5

Who Is the Company Behind INTERCERT?

  • Seller: INTERCERT
  • Year Founded: 2009
  • HQ Location: The Woodlands, US
  • LinkedIn® Page: www.linkedin.com
    83 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 40% Medium, 20% Large

What Are Recent G2 Reviews of INTERCERT?

KPMG

We offer broad management consulting skills including technology enablement.

Average Rating: 4.2/5.0

Total Reviews: 22

Who Is the Company Behind KPMG?

  • Seller: KPMG
  • HQ Location: New York
  • LinkedIn® Page: www.linkedin.com
    53,551 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Accounting
  • Company Size: 50% Medium, 36% Small

What Are Recent G2 Reviews of KPMG?

Healy Consultants

Strategic marketing agency working to make your business thrive. We specialize in marketing strategy development and achieve excellence in execution.

Average Rating: 4.8/5.0

Total Reviews: 15

Who Is the Company Behind Healy Consultants?

Who Uses This Product?

  • Top Industries: Legal Services
  • Company Size: 80% Small, 20% Medium

What Are Recent G2 Reviews of Healy Consultants?

What Are G2 Users Discussing About Healy Consultants?

Baker Tilly

Baker Tilly Reviews & Provider Details Modern finance starts with the right technology—and the right partner. As a 12-time Sage Intacct Partner of the Year, Baker Tilly helps CFOs and finance leaders modernize operations, gain greater visibility and build a scalable foundation for growth. -Why finance leaders choose Baker Tilly -More than 2,000 successful Sage Intacct implementations -A streamlined buying and implementation experience -Award-winning customer success and support, with an NPS of 85 -Deep industry knowledge and tailored last-mile solutions -The resources and perspective of a leading advisory, tax and assurance firm Baker Tilly brings together Sage Intacct technology, financial transformation experience and industry insight to deliver more than a software implementation. Our team helps organizations streamline accounting, improve reporting, strengthen decision-making and prepare for what is next. From implementation and integration to optimization and ongoing support, we provide a connected experience designed to reduce complexity, accelerate value and support long-term growth.

Average Rating: 4.7/5.0

Total Reviews: 123

Who Is the Company Behind Baker Tilly?

  • Seller: Baker Tilly
  • Company Website:
  • Year Founded: 1931
  • HQ Location: Chicago, IL
  • Twitter: @bakertillyus
    2,526 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    10,584 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Controller, CFO
  • Top Industries: Non-Profit Organization Management, Religious Institutions
  • Company Size: 68% Medium, 27% Small

What Are Recent G2 Reviews of Baker Tilly?

What Are G2 Users Discussing About Baker Tilly?

Armanino

Armanino is one of the top 25 largest independent accounting and business consulting firms in the US. You can count on Armanino to think strategically, to provide sound insights that lead to positive action. We address not only your compliance issues, but your underlying business challenges — assessing opportunities, weighing risks, and exploring the practical implications of both your short- and long-term decisions. Armanino provides best practice consulting along with software selection, implementation, integration and strategy for Enterprise Resource Planning (ERP), Customer Relationship Management (CRM), Business Intelligence (BI), Financial Planning and Analysis (FP&A) solutions and more. We are constantly looking at adding new service lines, technology solutions and specialized expertise that will help advance our clients’ business goals. We are a nationwide leader in serving privately-held companies, as well as, nonprofit organizations and public entities. We provide technology solutions and consulting, audit, tax, business outsourcing, strategy services and risk assurance and advisory. Our technology focus and global services are key aspects of our service lines. We work with clients in a large range of industries including technology, manufacturing, nonprofit, real estate, professional and financial services, life sciences, cannabis, healthcare and more. Our offices are located in major cities across the country and we have consultants on the ground at key locations across the Nation. We provide global services in more than 100 countries through Moore – one of the world's major accounting and consulting organizations.

Average Rating: 3.8/5.0

Total Reviews: 9

Who Is the Company Behind Armanino?

  • Seller: Armanino
  • Year Founded: 1969
  • HQ Location: San Ramon, US
  • Twitter: @ArmaninoLLP
    4 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    3,313 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 78% Medium, 22% Small

What Do G2 Reviewers Say About Armanino?

AI-generated summary from verified user reviews

Pros
  • Users value the effective templates and expertise in implementing Intacct for non-profit organizations.

What Are Recent G2 Reviews of Armanino?

Audit & Assurance Services

BDO's Assurance professionals draw on deep industry experience and global resources to help clients to navigate change, bolster investor confidence, and strengthen the value of their businesses.

Average Rating: 4.5/5.0

Total Reviews: 1

Who Is the Company Behind Audit & Assurance Services?

  • Seller: BDO
  • Year Founded: 1910
  • HQ Location: Chicago, US
  • Twitter: @BDO_USA
    5,434 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    10,474 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of Audit & Assurance Services?

Audit Services

Audit medium to large private companies, listed businesses, owner-managed and family enterprises, and non-profit organisations across a range of sectors to ensure compliance with applicable standards and legislation.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind Audit Services?

  • Seller: Smith & Williamson
  • Year Founded: 1881
  • HQ Location: London, GB
  • Twitter: @SmithWilliamson
    62 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1,994 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Audit Services?

What Are G2 Users Discussing About Audit Services?

Auditsuisse Assurance

Auditsuisse offers dual US-Swiss credibility in a single audit engagement, combining a Swiss-registered Expert Auditor with a US CPA firm enrolled in the AICPA peer review program. Clients get SOC 1, SOC 2, SOC 3, HIPAA, GDPR, ISAE 3000, and ISAE 3402 reports that carry weight with both US enterprise buyers and European regulators, without needing to engage two separate firms for cross-border compliance.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind Auditsuisse Assurance?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Auditsuisse Assurance?

Nathan Calabrese
NC
Researched and written by Nathan Calabrese
Updated October 3, 2024