Best audit software
Five audit software vendors with an Accountio profile, side by side.
Listed alphabetically. Accountio does not rank vendors, and a featured listing does not change the order.
Audit software runs audit and assurance engagements: planning, client requests, testing, working papers and review. The five vendors here range from Caseware, with 23,000+ customers in 130 countries, to AI-native platforms such as Fieldguide and MindBridge. Which one fits depends on whether you run external audits, internal audit or financial statement work, and how much of the testing you want automated.
Audit software at a glance
| Vendor | Best for | Founded and HQ | Customers | Pricing |
|---|---|---|---|---|
 Caseware | Accounting and audit firms, corporations and government | Toronto, Canada; more than 35 years in assurance and financial reporting | 23,000+ customers and 475,000+ users in 130 countries | Not published; demo on request, sold through regional distributors |
 DataSnipper | External and internal audit, financial control, tax and advisory teams | 2017; Amsterdam, Netherlands | All four Big Four firms; used in 175+ countries | Not published; three plans (Start, Accelerate, Elevate) quoted after a demo or sales call |
 Fieldguide Featured | Audit, assurance and advisory firms; also corporate internal audit teams and federal engagements | San Francisco; founding year not published | Half of the top 100 US accounting firms, including 8 of the top 10; Baker Tilly, Cherry Bekaert and Aprio among them | Not published |
 Inflo | External audit firms of all sizes, from small practices to global networks | 2016; North Shields, United Kingdom | 480,000 accountants in 121 countries; the majority of the UK's top 100 firms and over 20% of the US top 100 (Jul 2025) | Not published; usage-based ('only pay for what you use'), demo on request |
 MindBridge | Audit and assurance firms, and enterprise finance teams (CFOs, controllers, audit and control teams) | 2015; Ottawa, Canada | KPMG (global audit platform, 60+ countries), BDO, Buzzacott and MNP | Not published; demo on request |
The five vendors
In alphabetical order. “Not published” means the vendor does not state it.
Caseware
Best for: Accounting and audit firms, corporations and government
Audit and assurance engagements, review and compilation, financial statement preparation, tax, quality management and internal audit, with AI agents under the Caseware Verity name.
- Founded and HQ
- Toronto, Canada; more than 35 years in assurance and financial reporting
- Ownership
- Not published
- Customers
- 23,000+ customers and 475,000+ users in 130 countries
- Pricing
- Not published; demo on request, sold through regional distributors
- How it runs
- Cloud platform; products for the US, Canada, Netherlands, UK, Germany, Denmark and Asia Pacific; distributors in 130 countries
- Good to know
- ISO 27001:2022 and SOC 2 Type 2; Caseware Verity AI agents launched May 2026
DataSnipper
Best for: External and internal audit, financial control, tax and advisory teams
Document extraction and matching inside Excel with a source-linked audit trail, financial statement checks, client document requests and AI agents for audit and finance work.
- Founded and HQ
- 2017; Amsterdam, Netherlands
- Ownership
- Venture-backed; Insight Partners invested in 2022; US$100m Series B led by Index Ventures in 2024 at a US$1bn valuation
- Customers
- All four Big Four firms; used in 175+ countries
- Pricing
- Not published; three plans (Start, Accelerate, Elevate) quoted after a demo or sales call
- How it runs
- Works inside Excel, including Excel Online; used in 175+ countries
- Good to know
- SOC 2 compliant; no training on customer data
Fieldguide
Best for: Audit, assurance and advisory firms; also corporate internal audit teams and federal engagements
AI platform for audit and advisory engagements: AI agents for planning, testing, review and financial statement drafting, with a client portal for requests and evidence.
- Founded and HQ
- San Francisco; founding year not published
- Ownership
- Venture-backed; more than US$125m raised from investors including Goldman Sachs, Bessemer Venture Partners, 8VC, Floodgate and Y Combinator
- Customers
- Half of the top 100 US accounting firms, including 8 of the top 10; Baker Tilly, Cherry Bekaert and Aprio among them
- Pricing
- Not published
- How it runs
- US and Canada (CPA Canada engagement forms built in); FedRAMP certified for US federal work
Fieldguide connects client data into request lists from more than 80 accounting, HRIS and ticketing systems, and firms can build their own against a documented REST API. The company does not publish the individual system names.
Inflo
Best for: External audit firms of all sizes, from small practices to global networks
Cloud external audit platform: working papers, full-population audit data analytics, client collaboration, quality management and a digital audit methodology.
- Founded and HQ
- 2016; North Shields, United Kingdom
- Ownership
- Not published
- Customers
- 480,000 accountants in 121 countries; the majority of the UK's top 100 firms and over 20% of the US top 100 (Jul 2025)
- Pricing
- Not published; usage-based ('only pay for what you use'), demo on request
- How it runs
- Cloud, hosted on Microsoft Azure; used in 121 countries; UK, US and PCAOB audit content
- Good to know
- ISO 27001:2022 and SOC 2 Type II; AI assists, auditors form the conclusions
MindBridge
Best for: Audit and assurance firms, and enterprise finance teams (CFOs, controllers, audit and control teams)
AI risk analysis of 100% of financial transactions, ranking what needs review.
- Founded and HQ
- 2015; Ottawa, Canada
- Ownership
- Private; US$60m investment from PSG Equity (April 2023), alongside PeakSpan Capital and Real Ventures
- Customers
- KPMG (global audit platform, 60+ countries), BDO, Buzzacott and MNP
- Pricing
- Not published; demo on request
- How it runs
- Used in 50+ countries
- Good to know
- Every risk flag explained; ISO 27001 and SOC 2 Type 2
Related tools in the same directory category
An AI-native audit firm network and a technical accounting research tool.
How to choose audit software
- Is it for external audit engagements, internal audit, or accounts preparation?Fieldguide and Inflo are built for audit firms' engagements, and Fieldguide also serves corporate internal audit teams. Caseware covers audit and assurance, review and compilation, financial statement preparation and internal audit. DataSnipper works inside Excel for audit and finance teams, and MindBridge serves audit firms and enterprise finance teams.
- Does it include the methodology and templates you need for your standards and jurisdiction?Inflo includes a digital audit methodology with UK, US and PCAOB audit content. Caseware sells products for the US, Canada, the Netherlands, the UK, Germany, Denmark and Asia Pacific. Fieldguide has CPA Canada engagement forms built in.
- Will it run the whole engagement, or work alongside the working papers you already use?Caseware, Fieldguide and Inflo run the engagement, from planning or client requests through to review. DataSnipper works inside Excel alongside existing working papers, and MindBridge analyses every transaction and ranks what needs review.
- How does client data come in: direct ledger extraction, uploads or request lists?Fieldguide runs requests and evidence through a client portal, and DataSnipper handles client document requests. Inflo takes in full-ledger data for analytics, and MindBridge analyses 100% of financial transactions.
Compare further
Common questions
What does audit software do?+
It runs audit engagements: planning, client requests, testing, working papers, review and financial statements. Newer tools add AI that analyses whole ledgers or drafts work for an auditor to review.
How much does audit software cost?+
None of the five vendors here publishes prices. Caseware sells through regional distributors, DataSnipper quotes its three plans after a demo or sales call, Inflo prices on usage, and MindBridge gives a demo on request.
Which audit software do large accounting firms use?+
DataSnipper is used by all four Big Four firms, and KPMG runs MindBridge on its global audit platform. Fieldguide works with half of the top 100 US accounting firms, and Inflo with the majority of the UK's top 100 firms and over 20% of the US top 100.
Part of Accountio’s accounting technology coverage.
