Company lists · Data refreshed September 2026

Top 25 Fraud investigation firms worldwide

RevenueBase identified 2,372 company matches for fraud investigation firms worldwide as of September 2026 and tracks 19,991 professional contacts across them, including 5,865 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for fraud investigation 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 September 20, 2026. Country and city lists for fraud investigation 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 Sep 20, 2026 How this list was built
2,372Companies
19,991Contacts tracked
5,865Verified emails
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The 25 largest fraud investigation firms worldwide

Ranked by team size
Top 25 of 2,372 company matches for fraud investigation firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAlphaville, United StatesHQ recorded Sep 20, 20261,001-5,0001,721 contacts →

Exact match

“Clearsale understands that protecting business against fraud-related chargebacks takes more than what technology can provide.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchItasca, IL, United StatesHQ recorded Sep 20, 20261,001-5,000772 contacts →

Exact match

“Accertify enables commerce by doing one thing extraordinarily well: pinpointing fraud.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchJacksonville, FL, United StatesHQ recorded Sep 20, 2026501-1,000518 contacts →

Exact match

“CoventBridge Group is the leading worldwide full service investigation solutions company providing: Surveillance, SIU and Compliance, Claims Investigation, Counter-Fraud Programs…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 20, 2026201-500336 contacts →

Exact match

“Vcheck is a global investigations firm that helps institutions protect their investments by providing intelligence on individuals and entities.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchSão Paulo, BrazilHQ recorded Sep 20, 202651-200331 contacts →

Exact match

“A Acert é uma assessoria e consultoria especializada em prevenir e solucionar perdas financeiras advindas de processos inadequados ou fraudulentos.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchDavis, CA, United StatesHQ recorded Sep 20, 2026201-500327 contacts →

Exact match

“DigiStream Investigations is a full-service private investigation firm specializing in insurance defense and legal support services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchDallas, TX, United StatesHQ recorded Sep 20, 2026201-500297 contacts →

Exact match

“Eftsure is the global market leader in payment fraud prevention.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchBroussard, LA, United StatesHQ recorded Sep 20, 2026501-1,000292 contacts →

Exact match

“HUB Enterprises is a national insurance defense investigative firm.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchMumbai, IndiaHQ recorded Sep 20, 202651-200241 contacts →

Exact match

“Be Proactive, Not Reactive is our motto.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchBuford, GA, IndiaHQ recorded Sep 20, 2026501-1,000240 contacts →

Exact match

“Formally known as Delta Associated Investigations, Delta Group is a National Fraud Management organization that has been serving the Property Casualty & Disability marketplace for…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchDallas Fort Worth, TX, United StatesHQ recorded Sep 20, 2026501-1,000206 contacts →

Exact match

“VRC Investigations, part of the Alpine Intel suite of services, is the leading national provider of investigative and insurance fraud solutions in the U.S.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchCharlotte, NC, United StatesHQ recorded Sep 20, 20261,001-5,000203 contacts →

Exact match

“Alpine Intel is dedicated to innovation across the property, auto, liability, and workers' comp insurance fields-helping our customers reach peak performance throughout the policy…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-200195 contacts →

Exact match

“Forensic Risk Alliance (FRA) is an international consultancy that combines forensic accounting and forensic technology expertise to position businesses for success with…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchSão Paulo, BrazilHQ recorded Sep 20, 202651-200192 contacts →

Exact match

“Com mais de 30 anos de mercado e referência no combate a fraudes na América Latina, a GIF International é uma consultoria estratégica especializada em inteligência antifraude.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202651-200142 contacts →

Exact match

“PSA is a global due diligence and investigations firm headquartered in Washington, DC.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-200140 contacts →

Exact match

“Corporate Research and Investigations Limited is a global provider of investigative research, background screening and business due diligence services for the world’s leading…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202651-200129 contacts →

Exact match

“Beau Dietl & Associates is a premier private investigation firm based in New York City with offices in New Jersey, Florida, and California.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchBarueri, BrazilHQ recorded Sep 20, 202651-200119 contacts →

Exact match

“Somos uma empresa de profissionais com ampla experiência no mercado de Crédito e Prevenção a Fraudes que utiliza tecnologia para alcançar os resultados dos clientes e não uma…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchNorth Haven, CT, United StatesHQ recorded Sep 20, 2026501-1,000119 contacts →

Exact match

“Knowledge is power" Whether you are an insurance company, TPA, insurance defense law firm, risk manager, private law firm, or corporation / business owner, we at Lemieux &…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-200117 contacts →

Exact match

“FACT are at the forefront of investigative and intelligence services, recognised by organisations, law enforcement, and governments worldwide.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202651-200112 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchBangalore, IndiaHQ recorded Sep 20, 202611-50108 contacts →

Exact match

“We help Individuals and Organizations uncover the truth and resolve complex problems through reliable forensic investigations and expert advisory.””

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchLos Angeles, TX, United StatesHQ recorded Sep 20, 202651-200107 contacts →

Exact match

“Alias Intelligence is a leading background investigations and due diligence company delivering the information and insights our clients need to grow and navigate their businesses.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchBarueri, BrazilHQ recorded Sep 20, 202651-200105 contacts →

Exact match

“Criada em 2009, a Harpia (uma Join Venture entre o Grupo P&N e L&F Soluções em Prevenção à Fraude) é uma Consultoria especializada em identificar e criar melhorias no processo de…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchTroy, MI, United StatesHQ recorded Sep 20, 2026201-500104 contacts →

Exact match

“The Robison Group is an agency of professional investigators and support teams offering surveillance, SIU claims, business risk mitigation and comprehensive desktop investigation…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 2,372 fraud investigation firms worldwide

See the full list, filter by size, metro and specialty, and access 5,865 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Fraud investigation firms worldwide at a glance

As of Sep 20, 2026
29.3%Verified-email coverage
8.4Average contacts per company
1-10Median size (employees)
3.0%Largest-city concentration · London
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
1,530
11-50
613
51-200
159
201-500
38
501-1,000
14
1,001-5,000
8
10001+
3

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 fraud investigation firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “fraud investigation 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 5,865 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 September 20, 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.

Fraud investigation firms by location

11 lists · largest first

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

Countries

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

How many fraud investigation firms are there worldwide?

RevenueBase identified 2,372 company matches for fraud investigation firms worldwide as of September 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?

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

Which country has the most fraud investigation firms?

The United States leads with 905 companies, followed by the United Kingdom (151) and India (127). Every fraud investigation firms list by country and city is linked on this page.

Which city has the most fraud investigation firms?

London leads with 71 company records, followed by New York (43) and Sao Paulo (28).

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 5,865 professional contacts with verified work emails tracked across these 2,372 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 September 20, 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.