What are the Top Audit Firms Worldwide 2026-2027?
Auditors providing statutory and internal audit services. Compare verified providers worldwide, see typical 2026-2027 pricing and use our checklist to pick the right partner.
Worldwide view: Clutch-verified Audit Firms ordered by verified client reviews, followed by established industry leaders. Shortlist drawn from verified Accounting providers. Choose a country to see companies for that market.
- 1
CertPro CPA LLC
Newark, DE
- Min. project
- Undisclosed
- Hourly rate
- Undisclosed
- Team size
- 50 - 249
Main services: Cybersecurity, Accounting, Business Valuation Services
- 2
Outsourcing Business Solutions
Philadelphia, PA
- Min. project
- $1,000+
- Hourly rate
- < $25 / hr
- Team size
- 50 - 249
Main services: Accounting, Back Office Outsourcing, Finance & Accounting Outsourcing (FAO)
- 3
LUO CPA PLLC
Location not published
- Min. project
- $1,000+
- Hourly rate
- $200 - $300 / hr
- Team size
- 10 - 49
Main services: Accounting, Business Consulting, Tax Law
- 4
Auxis
Plantation, FL
- Min. project
- Undisclosed
- Hourly rate
- Undisclosed
- Team size
- 1,000 - 9,999
Main services: AI Development, Finance & Accounting Outsourcing (FAO), IT Managed Services
- 5
iConsultera
Ahmedabad, India
- Min. project
- $1,000+
- Hourly rate
- < $25 / hr
- Team size
- 50 - 249
Main services: Accounting, Recruiting, Back Office Outsourcing
- 6
Porter
New York, NY
- Min. project
- Undisclosed
- Hourly rate
- Undisclosed
- Team size
- 2 - 9
Main services: Accounting, AI Agents, Finance & Accounting Outsourcing (FAO)
- 7
Finevolution
Kyiv, Ukraine
- Min. project
- $1,000+
- Hourly rate
- $100 - $149 / hr
- Team size
- 10 - 49
Main services: Business Consulting, Accounting, Finance & Accounting Outsourcing (FAO)
- 8
Crypto Tax Made Easy
Gregory Hills, Australia
- Min. project
- $1,000+
- Hourly rate
- $200 - $300 / hr
- Team size
- 10 - 49
Main services: Accounting
- 9
Accountor CPA Accounting Bookkeeping and Tax Experts
Vaughan, Canada
- Min. project
- $1,000+
- Hourly rate
- $100 - $149 / hr
- Team size
- 50 - 249
Main services: Accounting, Finance & Accounting Outsourcing (FAO), Fractional CFO Services
- 10
Willowcommerce.ai
Lyndhurst, NJ
- Min. project
- Undisclosed
- Hourly rate
- Undisclosed
- Team size
- 10 - 49
Main services: Custom Software Development, IT Managed Services, Accounting
Established industry leaders worldwide
- 11
Deloitte
Headquarters: London, United Kingdom
Why listed: Established Accounting firm operating internationally.
- 12
PwC
Headquarters: London, United Kingdom
Why listed: Established Accounting firm operating internationally.
- 13
EY
Headquarters: London, United Kingdom
Why listed: Established Accounting firm operating internationally.
- 14
KPMG
Headquarters: Amstelveen, Netherlands
Why listed: Established Accounting firm operating internationally.
- 15
BDO
Headquarters: Brussels, Belgium
Why listed: Established Accounting firm operating internationally.
- 16
Grant Thornton
Headquarters: London, United Kingdom
Why listed: Established Accounting firm operating internationally.
About Audit providers
Auditors providing statutory and internal audit services.
Accounting firms keep your books, payroll, tax and reporting accurate and compliant. Local expertise and responsive communication are what most businesses value most.
Business services providers range from global outsourcing groups in the Philippines, India, South Africa and Latin America to local firms that must be licensed in the country where you operate.
How to choose the best Audit Firms in 2026-2027
- Check registration with the relevant audit regulator.
- Check qualifications such as CPA, ACCA or ICAEW.
- Ask which accounting software they support.
- Clarify fixed fees versus hourly billing.
What does it cost?
Small-business bookkeeping often costs $300-$2,000 per month; annual accounts and tax returns range widely by complexity.
Before you sign
Ask for a written proposal with scope, milestones, team members and exit terms, and speak to at least one current client of each shortlisted provider.
Related Accounting lists
Popular lists
Audit Firms by country
Frequently asked questions
What are the top Audit Firms in 2026-2027?
Our 2026-2027 shortlist of Audit Firms includes verified providers such as CertPro CPA LLC, Outsourcing Business Solutions, LUO CPA PLLC, Deloitte, PwC. Use the country selector to see only firms based in your country.
What do Audit Firms do?
Auditors providing statutory and internal audit services. Accounting firms keep your books, payroll, tax and reporting accurate and compliant.
How much do Audit services cost in 2026-2027?
Small-business bookkeeping often costs $300-$2,000 per month; annual accounts and tax returns range widely by complexity. Prices vary by scope, seniority and location, so ask at least three providers for written proposals.
How do I choose the right Audit Firm?
Check registration with the relevant audit regulator. Check qualifications such as CPA, ACCA or ICAEW. Ask which accounting software they support.
How were these Audit Firms selected?
The worldwide view lists Clutch-verified specialists (registered businesses independently verified on Clutch with working websites, ordered by verified client reviews as of November 2026) and established industry leaders. When you choose a country, the main list shows only companies based in that country or with an office there: Clutch-verified firms with a local office, plus established local firms selected by the iCreativez research team. International firms are shown in a separate, labelled section. Inclusion is free and not paid for. Because Audit is a specialist niche, the shortlist is drawn from verified Accounting providers.
How this list is compiled
Worldwide view: Clutch-verified specialists (registered businesses independently verified on Clutch with a working website, ordered by their number of verified client reviews) followed by established industry leaders. Country view: the main list is strictly local. It shows only Clutch-verified firms with an office in the selected country and established firms based in that country that the iCreativez research team selected for their scale and track record. Large international firms and remote teams that serve the country appear in a separate, labelled section and are never counted as local. Where we have not yet verified enough local firms, the page says so instead of padding the list. Minimum project size, hourly rates and team size are as published by each company in November 2026. Inclusion is free and not paid for. Shortlist drawn from verified Accounting providers. Providers can request a review via our contact page.