Company lists · Data refreshed November 2026
Top 25 System audit firms worldwide
RevenueBase identified 2,916 company matches for system audit firms worldwide as of November 2026 and tracks 31,602 professional contacts across them, including 7,356 with verified work emails. India is the largest market and Paris the largest hub.
This list covers company matches for system audit firms worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for system audit firms follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest system audit firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,821 contacts → | ||||
Exact match “Established in 1935 and registered with ICAI, Walker Chandiok & Co LLP is the 4th largest firm by the number of listed companies audited.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 377 contacts → | ||||
Exact match “Based in Paris, Lyon, Rennes, Le Havre, Toulouse, Aix en Provence, Casablanca, London and New York, BM & A is an independent and international group positioned on the audit and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 244 contacts → | ||||
Exact match “Thoropass is the only end-to-end cybersecurity auditor.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 237 contacts → | ||||
Exact match “V.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 235 contacts → | ||||
Exact match “Lauterbach & Amen, LLP (L&A), established in 1997 by partners Sherry Lauterbach and Ron Amen, is a reputable public accounting firm known for its unwavering dedication to quality…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 201 contacts → | ||||
Exact match “Insight Assurance is a security and compliance firm trusted by more than 1,500 organizations for their SOC 1, SOC 2, SOC 3, PCI DSS, ISO 27001, ISO 27017/27018, ISO 27701, ISO…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 194 contacts → | ||||
Exact match “Trusted By 2,880+ World-Class Brands And Organizations Of All Sizes…!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 189 contacts → | ||||
Exact match “Auditing, Accounting and Taxation It’s been 100 years since David Strachan strode from the pavement of Smith Street into William Cotta Building at number 331, and put up his…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 161 contacts → | ||||
Exact match “Sahni Natarajan And Bahl [SNB](Est.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 141 contacts → | ||||
Exact match “KirkpatrickPrice is a licensed information security CPA firm, a PCI QSA, and a HITRUST CSF Assessor, providing assurance services to over clients worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 140 contacts → | ||||
Exact match “Nasser Alkanhal Chartered Accountants & Consultants(License No.789),is managed by Mr.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 138 contacts → | ||||
Exact match “Forvis Mazars in Hungary The Hungarian office in Budapest started its operation in 1991 and is now one of the largest audit and advisory firm in the country.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 134 contacts → | ||||
Exact match “Vinod Singhal & Co.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 134 contacts → | ||||
Exact match “A fast growing Chartered Accountancy firm having satisfactory quality control review (QCR) rating from the ICAP, registered with Audit Oversight Board (AOB) and listed in Category…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 132 contacts → | ||||
Exact match “Cotton is an audit and accounting firm located in Old Town Alexandria, VA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 122 contacts → | ||||
Exact match “Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 119 contacts → | ||||
Exact match “Talenz Audit accompagne les acteurs économiques, entreprises et organisations, dans leurs relations économiques, dans l’analyse de la fiabilité de leurs données financières, et…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 106 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 104 contacts → | ||||
Exact match “Situé à Paris, Lyon, Marseille et Bordeaux, Arthaud & Associés est spécialisé en Audit et Conseil Financier, et en pleine expansion sur de nombreux métiers transverses : ESG, TS…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 102 contacts → | ||||
Exact match “INTERCERT is a multinational auditing company headquartered in Texas, United States operating at 28+ countries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 98 contacts → | ||||
Exact match “Technologies Ltd, headquartered in Mumbai, is a 25 year old company that is listed on National Stock Exchange (NSE) and Bombay Stock Exchange (BSE) and is one of India’s leading…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 92 contacts → | ||||
Exact match “HARA Consulting est un groupe spécialisé dans la transformation numérique des entreprises par la mise en place d'outils IA, data et tech.+ 1⃣ 0⃣ 0⃣ Collaborateurs - Experts…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 87 contacts → | ||||
Exact match “The Canadian Public Accountability Board (CPAB) is Canada’s audit regulator responsible for the regulation of public accounting firms that audit Canadian public companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 83 contacts → | ||||
Exact match “Jesteśmy dynamicznie rozwijającą się Kancelarią Biegłych Rewidentów, założoną w 2010 roku.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 79 contacts → | ||||
Exact match “The IRBA is a public protection statutory body established to protect the financial interests of the public by ensuring registered auditors and their firms deliver services of the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “system audit firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 2,916 system audit firms worldwide
See the full list, filter by size, metro and specialty, and access 7,356 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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System audit firms worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for system audit firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “system audit firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 7,356 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
System audit firms by location
23 lists · largest firstEvery System audit firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- System audit firms based in India270
- System audit firms based in the United States228
- System audit firms based in France183
- System audit firms based in Spain141
- System audit firms based in Brazil113
- System audit firms based in Türkiye101
- System audit firms based in Italy91
- System audit firms based in the United Arab Emirates79
- System audit firms based in Australia74
- System audit firms based in the Netherlands71
- System audit firms based in South Africa70
- System audit firms based in Germany59
- System audit firms based in the United Kingdom57
- System audit firms based in Poland41
- System audit firms based in Norway40
- System audit firms based in Switzerland40
- System audit firms based in Sweden36
- System audit firms based in Portugal27
- System audit firms based in Cyprus25
Cities
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “system audit firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many system audit firms are there worldwide?
RevenueBase identified 2,916 company matches for system audit firms worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Walker Chandiok & CO LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most system audit firms?
India leads with 270 companies, followed by the United States (228) and France (183). Every system audit firms list by country and city is linked on this page.
Which city has the most system audit firms?
Paris leads with 43 company records, followed by Dubai (42) and Sao Paulo (30).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 7,356 professional contacts with verified work emails tracked across these 2,916 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,916 system audit firms worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 system audit firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,916 matching company records for system audit firms worldwide, with 31,602 tracked contacts and 7,356 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 system audit firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Walker Chandiok & CO LLPwalkerchandiok.inHQ: New Delhi, IndiaReported employees: 1,001-5,000 | New Delhi, India | 1,001-5,000 | Exact match | 1,821 contacts → |
“Established in 1935 and registered with ICAI, Walker Chandiok & Co LLP is the 4th largest firm by the number of listed companies audited.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Bm&abma-groupe.comHQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 377 contacts → |
“Based in Paris, Lyon, Rennes, Le Havre, Toulouse, Aix en Provence, Casablanca, London and New York, BM & A is an independent and international group positioned on the audit and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Thoropassthoropass.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 244 contacts → |
“Thoropass is the only end-to-end cybersecurity auditor.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  V. Sankar Aiyar & COvsa.co.inHQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 237 contacts → |
“V.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Lauterbach & Amenlauterbachamen.comHQ: Naperville, IL, United StatesReported employees: 201-500 | Naperville, IL, United States | 201-500 | Exact match | 235 contacts → |
“Lauterbach & Amen, LLP (L&A), established in 1997 by partners Sherry Lauterbach and Ron Amen, is a reputable public accounting firm known for its unwavering dedication to quality…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Insight Assuranceinsightassurance.comHQ: Tampa, United StatesReported employees: 201-500 | Tampa, United States | 201-500 | Exact match | 201 contacts → |
“Insight Assurance is a security and compliance firm trusted by more than 1,500 organizations for their SOC 1, SOC 2, SOC 3, PCI DSS, ISO 27001, ISO 27017/27018, ISO 27701, ISO…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Ampcus Cyberampcuscyber.comHQ: Chantilly, United StatesReported employees: 1,001-5,000 | Chantilly, United States | 1,001-5,000 | Exact match | 194 contacts → |
“Trusted By 2,880+ World-Class Brands And Organizations Of All Sizes…!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  PKF Durbanpkf.co.zaHQ: Umhlanga, South AfricaReported employees: 201-500 | Umhlanga, South Africa | 201-500 | Exact match | 189 contacts → |
“Auditing, Accounting and Taxation It’s been 100 years since David Strachan strode from the pavement of Smith Street into William Cotta Building at number 331, and put up his…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Sahni Natarajan & Bahlsnbindia.comHQ: New Delhi, IndiaReported employees: 51-200 | New Delhi, India | 51-200 | Exact match | 161 contacts → |
“Sahni Natarajan And Bahl [SNB](Est.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Kirkpatrickpricekirkpatrickprice.comHQ: Nashville, TN, United StatesReported employees: 51-200 | Nashville, TN, United States | 51-200 | Exact match | 141 contacts → |
“KirkpatrickPrice is a licensed information security CPA firm, a PCI QSA, and a HITRUST CSF Assessor, providing assurance services to over clients worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Riyadh, Saudi ArabiaReported employees: 51-200 | Riyadh, Saudi Arabia | 51-200 | Exact match | 140 contacts → |
“Nasser Alkanhal Chartered Accountants & Consultants(License No.789),is managed by Mr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Forvis Mazars In Hungaryforvismazars.comHQ: Budapest, HungaryReported employees: 51-200 | Budapest, Hungary | 51-200 | Exact match | 138 contacts → |
“Forvis Mazars in Hungary The Hungarian office in Budapest started its operation in 1991 and is now one of the largest audit and advisory firm in the country.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Jaipur, IndiaReported employees: 201-500 | Jaipur, India | 201-500 | Exact match | 134 contacts → |
“Vinod Singhal & Co.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Iqbal Yasir & Company IY & COiy.com.pkHQ: Lahore, PakistanReported employees: 51-200 | Lahore, Pakistan | 51-200 | Exact match | 134 contacts → |
“A fast growing Chartered Accountancy firm having satisfactory quality control review (QCR) rating from the ICAP, registered with Audit Oversight Board (AOB) and listed in Category…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Cottoncottoncpa.comHQ: Alexandria, VA, United StatesReported employees: 201-500 | Alexandria, VA, United States | 201-500 | Exact match | 132 contacts → |
“Cotton is an audit and accounting firm located in Old Town Alexandria, VA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Strategic Securitystrategicsec.comHQ: Alexandria, VA, United StatesReported employees: Not recorded | Alexandria, VA, United States | Not recorded | Exact match | 122 contacts → |
“Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Talenz Audittalenz-audit.frHQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 119 contacts → |
“Talenz Audit accompagne les acteurs économiques, entreprises et organisations, dans leurs relations économiques, dans l’analyse de la fiabilité de leurs données financières, et…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | A John Moris COajohnmoris.com HQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 106 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  Arthaud & Associésarthaud-associes.frHQ: Bordeaux, FranceReported employees: 51-200 | Bordeaux, France | 51-200 | Exact match | 104 contacts → |
“Situé à Paris, Lyon, Marseille et Bordeaux, Arthaud & Associés est spécialisé en Audit et Conseil Financier, et en pleine expansion sur de nombreux métiers transverses : ESG, TS…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Intercert INCintercert.comHQ: The Woodlands, TX, United StatesReported employees: 51-200 | The Woodlands, TX, United States | 51-200 | Exact match | 102 contacts → |
“INTERCERT is a multinational auditing company headquartered in Texas, United States operating at 28+ countries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  AAA Technologies LTDaaatechnologies.co.inHQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 98 contacts → |
“Technologies Ltd, headquartered in Mumbai, is a 25 year old company that is listed on National Stock Exchange (NSE) and Bombay Stock Exchange (BSE) and is one of India’s leading…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Hara Consultinghara-consulting.comHQ: Strasbourg, FranceReported employees: 51-200 | Strasbourg, France | 51-200 | Exact match | 92 contacts → |
“HARA Consulting est un groupe spécialisé dans la transformation numérique des entreprises par la mise en place d'outils IA, data et tech.+ 1⃣ 0⃣ 0⃣ Collaborateurs - Experts…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Canadian Public Accountability Board Cpabcpab-ccrc.caHQ: Toronto, ON, CanadaReported employees: 51-200 | Toronto, ON, Canada | 51-200 | Exact match | 87 contacts → |
“The Canadian Public Accountability Board (CPAB) is Canada’s audit regulator responsible for the regulation of public accounting firms that audit Canadian public companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  KPWkpw.plHQ: Łódź, PolandReported employees: 51-200 | Łódź, Poland | 51-200 | Exact match | 83 contacts → |
“Jesteśmy dynamicznie rozwijającą się Kancelarią Biegłych Rewidentów, założoną w 2010 roku.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 79 contacts → |
“The IRBA is a public protection statutory body established to protect the financial interests of the public by ensuring registered auditors and their firms deliver services of the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,916 company matches
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System audit firms: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,892 records in the displayed employee bands.
24 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,916 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
System audit firms by location
23 lists · largest firstEvery System audit firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- System audit firms based in India270
- System audit firms based in the United States228
- System audit firms based in France183
- System audit firms based in Spain141
- System audit firms based in Brazil113
- System audit firms based in Türkiye101
- System audit firms based in Italy91
- System audit firms based in the United Arab Emirates79
- System audit firms based in Australia74
- System audit firms based in the Netherlands71
- System audit firms based in South Africa70
- System audit firms based in Germany59
- System audit firms based in the United Kingdom57
- System audit firms based in Poland41
- System audit firms based in Norway40
- System audit firms based in Switzerland40
- System audit firms based in Sweden36
- System audit firms based in Portugal27
- System audit firms based in Cyprus25
Cities
Questions about this company list
What does Exact match mean for system audit firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many system audit firms did RevenueBase find worldwide?
The saved snapshot records 2,916 matching company records, 31,602 tracked contacts and 7,356 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 system audit firms worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/system-audit-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 system audit firms worldwide
RevenueBase records 2,916 matching company records for system audit firms worldwide, with 31,602 tracked contacts and 7,356 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 system audit firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Walker Chandiok & CO LLPwalkerchandiok.in HQ: New Delhi, IndiaReported employees: 1,001-5,000 | New Delhi, India | 1,001-5,000 | Exact match | 1,821 contacts → |
“Established in 1935 and registered with ICAI, Walker Chandiok & Co LLP is the 4th largest firm by the number of listed companies audited.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Bm&abma-groupe.com HQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 377 contacts → |
“Based in Paris, Lyon, Rennes, Le Havre, Toulouse, Aix en Provence, Casablanca, London and New York, BM & A is an independent and international group positioned on the audit and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Thoropassthoropass.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 244 contacts → |
“Thoropass is the only end-to-end cybersecurity auditor.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | V. Sankar Aiyar & COvsa.co.in HQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 237 contacts → |
“V.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Lauterbach & Amenlauterbachamen.com HQ: Naperville, IL, United StatesReported employees: 201-500 | Naperville, IL, United States | 201-500 | Exact match | 235 contacts → |
“Lauterbach & Amen, LLP (L&A), established in 1997 by partners Sherry Lauterbach and Ron Amen, is a reputable public accounting firm known for its unwavering dedication to quality…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Insight Assuranceinsightassurance.com HQ: Tampa, United StatesReported employees: 201-500 | Tampa, United States | 201-500 | Exact match | 201 contacts → |
“Insight Assurance is a security and compliance firm trusted by more than 1,500 organizations for their SOC 1, SOC 2, SOC 3, PCI DSS, ISO 27001, ISO 27017/27018, ISO 27701, ISO…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Ampcus Cyberampcuscyber.com HQ: Chantilly, United StatesReported employees: 1,001-5,000 | Chantilly, United States | 1,001-5,000 | Exact match | 194 contacts → |
“Trusted By 2,880+ World-Class Brands And Organizations Of All Sizes…!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | PKF Durbanpkf.co.za HQ: Umhlanga, South AfricaReported employees: 201-500 | Umhlanga, South Africa | 201-500 | Exact match | 189 contacts → |
“Auditing, Accounting and Taxation It’s been 100 years since David Strachan strode from the pavement of Smith Street into William Cotta Building at number 331, and put up his…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Sahni Natarajan & Bahlsnbindia.com HQ: New Delhi, IndiaReported employees: 51-200 | New Delhi, India | 51-200 | Exact match | 161 contacts → |
“Sahni Natarajan And Bahl [SNB](Est.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Kirkpatrickpricekirkpatrickprice.com HQ: Nashville, TN, United StatesReported employees: 51-200 | Nashville, TN, United States | 51-200 | Exact match | 141 contacts → |
“KirkpatrickPrice is a licensed information security CPA firm, a PCI QSA, and a HITRUST CSF Assessor, providing assurance services to over clients worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Riyadh, Saudi ArabiaReported employees: 51-200 | Riyadh, Saudi Arabia | 51-200 | Exact match | 140 contacts → |
“Nasser Alkanhal Chartered Accountants & Consultants(License No.789),is managed by Mr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Forvis Mazars In Hungaryforvismazars.com HQ: Budapest, HungaryReported employees: 51-200 | Budapest, Hungary | 51-200 | Exact match | 138 contacts → |
“Forvis Mazars in Hungary The Hungarian office in Budapest started its operation in 1991 and is now one of the largest audit and advisory firm in the country.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Jaipur, IndiaReported employees: 201-500 | Jaipur, India | 201-500 | Exact match | 134 contacts → |
“Vinod Singhal & Co.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Iqbal Yasir & Company IY & COiy.com.pk HQ: Lahore, PakistanReported employees: 51-200 | Lahore, Pakistan | 51-200 | Exact match | 134 contacts → |
“A fast growing Chartered Accountancy firm having satisfactory quality control review (QCR) rating from the ICAP, registered with Audit Oversight Board (AOB) and listed in Category…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Cottoncottoncpa.com HQ: Alexandria, VA, United StatesReported employees: 201-500 | Alexandria, VA, United States | 201-500 | Exact match | 132 contacts → |
“Cotton is an audit and accounting firm located in Old Town Alexandria, VA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Strategic Securitystrategicsec.com HQ: Alexandria, VA, United StatesReported employees: Not recorded | Alexandria, VA, United States | Not recorded | Exact match | 122 contacts → |
“Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Talenz Audittalenz-audit.fr HQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 119 contacts → |
“Talenz Audit accompagne les acteurs économiques, entreprises et organisations, dans leurs relations économiques, dans l’analyse de la fiabilité de leurs données financières, et…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | A John Moris COajohnmoris.com HQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 106 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Arthaud & Associésarthaud-associes.fr HQ: Bordeaux, FranceReported employees: 51-200 | Bordeaux, France | 51-200 | Exact match | 104 contacts → |
“Situé à Paris, Lyon, Marseille et Bordeaux, Arthaud & Associés est spécialisé en Audit et Conseil Financier, et en pleine expansion sur de nombreux métiers transverses : ESG, TS…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Intercert INCintercert.com HQ: The Woodlands, TX, United StatesReported employees: 51-200 | The Woodlands, TX, United States | 51-200 | Exact match | 102 contacts → |
“INTERCERT is a multinational auditing company headquartered in Texas, United States operating at 28+ countries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | AAA Technologies LTDaaatechnologies.co.in HQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 98 contacts → |
“Technologies Ltd, headquartered in Mumbai, is a 25 year old company that is listed on National Stock Exchange (NSE) and Bombay Stock Exchange (BSE) and is one of India’s leading…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Hara Consultinghara-consulting.com HQ: Strasbourg, FranceReported employees: 51-200 | Strasbourg, France | 51-200 | Exact match | 92 contacts → |
“HARA Consulting est un groupe spécialisé dans la transformation numérique des entreprises par la mise en place d'outils IA, data et tech.+ 1⃣ 0⃣ 0⃣ Collaborateurs - Experts…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Canadian Public Accountability Board Cpabcpab-ccrc.ca HQ: Toronto, ON, CanadaReported employees: 51-200 | Toronto, ON, Canada | 51-200 | Exact match | 87 contacts → |
“The Canadian Public Accountability Board (CPAB) is Canada’s audit regulator responsible for the regulation of public accounting firms that audit Canadian public companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | KPWkpw.pl HQ: Łódź, PolandReported employees: 51-200 | Łódź, Poland | 51-200 | Exact match | 83 contacts → |
“Jesteśmy dynamicznie rozwijającą się Kancelarią Biegłych Rewidentów, założoną w 2010 roku.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 79 contacts → |
“The IRBA is a public protection statutory body established to protect the financial interests of the public by ensuring registered auditors and their firms deliver services of the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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System audit firms: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,892 records in the displayed employee bands.
24 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,916 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
System audit firms by location
23 lists · largest firstEvery System audit firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- System audit firms based in India270
- System audit firms based in the United States228
- System audit firms based in France183
- System audit firms based in Spain141
- System audit firms based in Brazil113
- System audit firms based in Türkiye101
- System audit firms based in Italy91
- System audit firms based in the United Arab Emirates79
- System audit firms based in Australia74
- System audit firms based in the Netherlands71
- System audit firms based in South Africa70
- System audit firms based in Germany59
- System audit firms based in the United Kingdom57
- System audit firms based in Poland41
- System audit firms based in Norway40
- System audit firms based in Switzerland40
- System audit firms based in Sweden36
- System audit firms based in Portugal27
- System audit firms based in Cyprus25
Cities
Questions about this company list
What does Exact match mean for system audit firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many system audit firms did RevenueBase find worldwide?
The saved snapshot records 2,916 matching company records, 31,602 tracked contacts and 7,356 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 system audit firms worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/system-audit-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗