Company lists · Data refreshed October 2026

Top 25 Due diligence consulting firms worldwide

Name: Due diligence consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 3,210 companies tracked

RevenueBase identified 3,210 company matches for due diligence consulting firms worldwide as of October 2026 and tracks 22,906 professional contacts across them, including 7,084 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for due diligence consulting 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 October 1, 2026. Country and city lists for due diligence consulting 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 1, 2026 How this list was built

3,210Companies

22,906Contacts tracked

7,084Verified emails

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The 25 largest due diligence consulting firms worldwide

Ranked by team size

Top 25 of 3,210 company matches for due diligence consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Riveron	Exact match	Dallas, TX, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,160 contacts →
	Exact match “With over 1,200 professionals across 18 international offices, Riveron delivers tailored solutions for CFOs, private equity firms, and key stakeholders.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Bm&a	Exact match	Paris, FranceHQ recorded Oct 1, 2026	201-500	345 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 · Oct 1, 2026 · View company records in RevenueBase
3	BDA	Exact match	新加坡, SingaporeHQ recorded Oct 1, 2026	51-200	341 contacts →
	Exact match “BDA is an investment advisory firm founded in 1994, initially to serve Morgan Stanley and its clients then our own.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Clayton Services	Exact match	Tampa, FL, United StatesHQ recorded Oct 1, 2026	201-500	313 contacts →
	Exact match “Founded in 1989, Clayton pioneered the concepts of due diligence and surveillance.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Bridgepoint Consulting	Exact match	Austin, TX, United StatesHQ recorded Oct 1, 2026	201-500	250 contacts →
	Exact match “Bridgepoint Consulting, an Addison Group company, is a leading management consulting firm that offers a full suite of services and solutions to help companies navigate the…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Gparency	Exact match	Howell, NJ, United StatesHQ recorded Oct 1, 2026	n/a	241 contacts →
	Exact match “We know you work hard to get the best deal possible.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Sltconsult Contabilidade E Gestão Empresarial	Exact match	Sao Paulo, BrazilHQ recorded Oct 1, 2026	201-500	194 contacts →
	Exact match “Na SLT, somos um time composto por mais de 200 profissionais altamente capacitados, especializados em transformar estratégias em resultados tangíveis.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Dpo&co.	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	51-200	187 contacts →
	Exact match “DPO & Co specializes in helping Private Equity firms and their portfolio companies gain fact-based insights during the diligence process and realize post-close synergies and value…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	LCG Advisors	Exact match	Tampa, FL, United StatesHQ recorded Oct 1, 2026	51-200	181 contacts →
	Exact match “Maximizing Value.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Investor Group Services IGS	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	51-200	168 contacts →
	Exact match “For over 25 years, IGS has helped investors and management teams make better, faster decisions, from commercial due diligence, to growth strategy, pricing, and go-to-market…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Neotas	Exact match	London, United KingdomHQ recorded Oct 1, 2026	51-200	159 contacts →
	Exact match “By leveraging cutting-edge technology and experienced analysts, Neotas are going beyond and setting new standards in Due Diligence, Staff Screening, and Compliance.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	PSA	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	51-200	142 contacts →
	Exact match “PSA is a global due diligence and investigations firm headquartered in Washington, DC.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Arendt Regulatory & Consulting	Exact match	LuxembourgHQ recorded Oct 1, 2026	51-200	134 contacts →
	Exact match “About Arendt - Regulatory & Consulting We help clients remain compliant while running a profitable business.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Athens	Exact match	London, United KingdomHQ recorded Oct 1, 2026	11-50	122 contacts →
	Exact match “Athens helps clients make superior investment decisions and supports them to deliver value from these decisions through timely implementation.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Heartman House Consultores	Exact match	São Paulo, BrazilHQ recorded Oct 1, 2026	51-200	121 contacts →
	Exact match “Consulting Firm focuse on corporate restructuring, strategic planning and pos-merger integration.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Talenz Audit	Exact match	Paris, FranceHQ recorded Oct 1, 2026	201-500	117 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 · Oct 1, 2026 · View company records in RevenueBase
17	HECT	Exact match	Belo Horizonte, BrazilHQ recorded Oct 1, 2026	51-200	117 contacts →
	Exact match “Founded in 2005, Hect is a Brazilian company with both national and international operations.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Finalyse	Exact match	Brussels, BelgiumHQ recorded Oct 1, 2026	51-200	114 contacts →
	Exact match “Finalyse is a Europe-wide leading consultancy founded in 1988.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Global PMI Partners	Exact match	London, United StatesHQ recorded Oct 1, 2026	201-500	113 contacts →
	Exact match “Global PMI Partners is a specialist consulting firm supporting our listed company and private equity clients with their M&A integrations, divestments and operational…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Exelmans	Exact match	Paris, FranceHQ recorded Oct 1, 2026	51-200	101 contacts →
	Exact match “Exelmans est un Cabinet de conseil et d’audit spécialisé dans la due diligence financière.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Infinity IPS	Exact match	Rockville, MD, United StatesHQ recorded Oct 1, 2026	1,001-5,000	100 contacts →
	Exact match “Infinity IPS is a trusted financial services partner in loan-level due diligence, quality control, and risk management.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Mcube Financial LLC	Exact match	Charlotte, NC, United StatesHQ recorded Oct 1, 2026	51-200	99 contacts →
	Exact match “MCube Financial LLC is an international boutique consulting firm focused on providing advisory and consulting services to the commercial real estate industry.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Arthaud & Associés	Exact match	Tassin-La-Demi-Lune, FranceHQ recorded Oct 1, 2026	51-200	95 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 · Oct 1, 2026 · View company records in RevenueBase
24	Advance Capital TAS	Exact match	Lyon, FranceHQ recorded Oct 1, 2026	51-200	93 contacts →
	Exact match “Advance Capital est un cabinet indépendant de conseil financier fondé en 2007.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Protiviti The Netherlands	Exact match	Amsterdam, NetherlandsHQ recorded Oct 1, 2026	5,001-10,000	91 contacts →
	Exact match “Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…” Recorded in the RevenueBase company graph · Oct 1, 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 “due diligence consulting 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 3,210 due diligence consulting firms worldwide

See the full list, filter by size, metro and specialty, and access 7,084 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Due diligence consulting firms worldwide at a glance

As of Oct 1, 2026

30.9%Verified-email coverage

7.1Average contacts per company

1-10Median size (employees)

2.9%Largest-city concentration · Sao Paulo

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

2,282

11-50

747

51-200

141

201-500

501-1,000

1,001-5,000

5,001-10,000

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 due diligence consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “due diligence consulting 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 7,084 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 October 1, 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.

Due diligence consulting firms by location

72 lists · largest first

Every Due diligence consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “due diligence consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many due diligence consulting firms are there worldwide?

RevenueBase identified 3,210 company matches for due diligence consulting firms worldwide as of October 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?

Riveron tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most due diligence consulting firms?

The United States leads with 372 companies, followed by India (186) and Belgium (86). Every due diligence consulting firms list by country and city is linked on this page.

Which city has the most due diligence consulting firms?

Sao Paulo leads with 93 company records, followed by London (92) and Paris (68).

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 7,084 professional contacts with verified work emails tracked across these 3,210 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 October 1, 2026.

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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.