Company lists · Data refreshed November 2026
Top 25 Investigation agencies worldwide
RevenueBase identified 5,469 company matches for investigation agencies worldwide as of November 2026 and tracks 80,648 professional contacts across them, including 13,955 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for investigation agencies 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 investigation agencies 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 investigation agencies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 997 contacts → | ||||
Exact match “The Swedish Prosecution Authority work in collaboration with other authorities to ensure that criminal investigations are carried out efficiently with legal certainty.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 818 contacts → | ||||
Exact match “Chainalysis offers cryptocurrency investigation and compliance solutions to global law enforcement agencies, regulators, and businesses as they work together to fight illicit…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 718 contacts → | ||||
Exact match “Our Mission To promote public safety and strengthen domestic security by providing services in partnership with local, state, and federal criminal justice agencies to prevent…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 696 contacts → | ||||
Exact match “OMNIPLEX World Services Corporation is a leader and innovator in delivering professional background investigations, intelligence support, and physical security services to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 554 contacts → | ||||
Exact match “The Special Investigating Unit is established in terms of the Special Investigating Units and Special Tribunals Act 74 of 1996.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 378 contacts → | ||||
Exact match “A full-service firm with the proven capabilities to manage all facets of your company’s security requirements, Norred & Associates, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 377 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 373 contacts → | ||||
Exact match “Investigate fraud, waste, and abuse in the NYS Medicaid program.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 367 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 359 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 329 contacts → | ||||
Exact match “De Algemene Rekenkamer controleert of rijksoverheid geld uitgeeft en beleid uitvoert zoals het de bedoeling was.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 329 contacts → | ||||
Exact match “Investgation of Civil Fraud through out the state.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 262 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 237 contacts → | ||||
Exact match “HUB Enterprises is a national insurance defense investigative firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 225 contacts → | ||||
Exact match “Advantage Investigations is a nationwide leader in the industry for investigative services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 222 contacts → | ||||
Exact match “Frasco has hundreds of investigators and regional offices located throughout the country.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 213 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 213 contacts → | ||||
Exact match “Command Investigations, LLC is the preferred provider of Surveillance, SIU and Anti-Fraud Programming provided to P&C Carriers, Self-Insured Entities and Third-Party…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 210 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 204 contacts → | ||||
Exact match “Star Security is an independently owned Canadian Security Agency.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 181 contacts → | ||||
Exact match “Globe Detective Agency (P) Ltd.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 175 contacts → | ||||
Exact match “BEHIND A SAFER WORLD RCS S.p.A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 173 contacts → | ||||
Exact match “Maltego is the world’s most used all-in-one investigation platform that turns complex data into actionable insights in minutes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 163 contacts → | ||||
Exact match “PSA is a global due diligence and investigations firm headquartered in Washington, DC.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 161 contacts → | ||||
Exact match “LeadsOnline is a global provider of investigative technology that empowers law enforcement to advance cases faster and make communities safer.” 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 “investigation agencies”. 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 5,469 investigation agencies worldwide
See the full list, filter by size, metro and specialty, and access 13,955 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Investigation agencies 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 investigation agencies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “investigation agencies” 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 13,955 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.
Investigation agencies by location
22 lists · largest firstEvery Investigation agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Investigation agencies based in the United States2,271
- Investigation agencies based in the United Kingdom315
- Investigation agencies based in Italy286
- Investigation agencies based in India235
- Investigation agencies based in Canada193
- Investigation agencies based in Australia161
- Investigation agencies based in Spain139
- Investigation agencies based in France125
- Investigation agencies based in the Netherlands109
- Investigation agencies based in Brazil102
- Investigation agencies based in South Africa82
- Investigation agencies based in Switzerland36
- Investigation agencies based in New Zealand28
Cities
- Investigation agencies based in London, United Kingdom101
- Investigation agencies based in New York, United States59
- Investigation agencies based in Milan, Italy35
- Investigation agencies based in Miami, United States34
- Investigation agencies based in Toronto, Canada32
- Investigation agencies based in Chicago, United States28
- Investigation agencies based in Houston, United States28
- Investigation agencies based in Los Angeles, United States28
- Investigation agencies based in Sydney, Australia28
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 “investigation agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many investigation agencies are there worldwide?
RevenueBase identified 5,469 company matches for investigation agencies 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?
Swedish Prosecution Authority tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most investigation agencies?
The United States leads with 2,271 companies, followed by the United Kingdom (315) and Italy (286). Every investigation agencies list by country and city is linked on this page.
Which city has the most investigation agencies?
London leads with 105 company records, followed by New York (59) and New Delhi (50).
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 13,955 professional contacts with verified work emails tracked across these 5,469 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 5,469 investigation agencies 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 investigation agencies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 5,469 matching company records for investigation agencies worldwide, with 80,648 tracked contacts and 13,955 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 investigation agencies 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 |  Swedish Prosecution Authorityaklagare.seHQ: Stockholm, SwedenReported employees: 1,001-5,000 | Stockholm, Sweden | 1,001-5,000 | Exact match | 997 contacts → |
“The Swedish Prosecution Authority work in collaboration with other authorities to ensure that criminal investigations are carried out efficiently with legal certainty.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Chainalysischainalysis.comHQ: New York, United StatesReported employees: 501-1,000 | New York, United States | 501-1,000 | Exact match | 818 contacts → |
“Chainalysis offers cryptocurrency investigation and compliance solutions to global law enforcement agencies, regulators, and businesses as they work together to fight illicit…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  FDLEfdle.state.fl.usHQ: Tallahassee, FL, United StatesReported employees: 1,001-5,000 | Tallahassee, FL, United States | 1,001-5,000 | Exact match | 718 contacts → |
“Our Mission To promote public safety and strengthen domestic security by providing services in partnership with local, state, and federal criminal justice agencies to prevent…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Omniplex World Services Corporationomniplex.comHQ: Herndon, VA, United StatesReported employees: 1,001-5,000 | Herndon, VA, United States | 1,001-5,000 | Exact match | 696 contacts → |
“OMNIPLEX World Services Corporation is a leader and innovator in delivering professional background investigations, intelligence support, and physical security services to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Special Investigating Unitsiu.org.za HQ: South AfricaReported employees: 501-1,000 | South Africa | 501-1,000 | Exact match | 554 contacts → |
“The Special Investigating Unit is established in terms of the Special Investigating Units and Special Tribunals Act 74 of 1996.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Norred & Associates, INCnorred.comHQ: Atlanta, GA, United StatesReported employees: 501-1,000 | Atlanta, GA, United States | 501-1,000 | Exact match | 378 contacts → |
“A full-service firm with the proven capabilities to manage all facets of your company’s security requirements, Norred & Associates, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Coventbridge Groupcoventbridge.comHQ: Jacksonville, FL, United StatesReported employees: 501-1,000 | Jacksonville, FL, United States | 501-1,000 | Exact match | 377 contacts → |
“CoventBridge Group is the leading worldwide full service investigation solutions company providing: Surveillance, SIU and Compliance, Claims Investigation, Counter-Fraud Programs…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | NYSomig.state.ny.us HQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 373 contacts → |
“Investigate fraud, waste, and abuse in the NYS Medicaid program.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Vcheckvcheckglobal.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 367 contacts → |
“Vcheck is a global investigations firm that helps institutions protect their investments by providing intelligence on individuals and entities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Digistream Investigationsdigistream.comHQ: Davis, CA, United StatesReported employees: 201-500 | Davis, CA, United States | 201-500 | Exact match | 359 contacts → |
“DigiStream Investigations is a full-service private investigation firm specializing in insurance defense and legal support services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Algemene Rekenkamerrekenkamer.nlHQ: The Hague, NetherlandsReported employees: 201-500 | The Hague, Netherlands | 201-500 | Exact match | 329 contacts → |
“De Algemene Rekenkamer controleert of rijksoverheid geld uitgeeft en beleid uitvoert zoals het de bedoeling was.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: United StatesReported employees: 201-500 | United States | 201-500 | Exact match | 329 contacts → |
“Investgation of Civil Fraud through out the state.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Delta Groupdeltagroup.netHQ: Buford, GA, IndiaReported employees: 501-1,000 | Buford, GA, India | 501-1,000 | Exact match | 262 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HUB Enterprises, INChubenterprises.com HQ: Broussard, LA, United StatesReported employees: 501-1,000 | Broussard, LA, United States | 501-1,000 | Exact match | 237 contacts → |
“HUB Enterprises is a national insurance defense investigative firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Advantage Investigationsadvantageinvestigations.comHQ: Kannapolis, WA, United StatesReported employees: 201-500 | Kannapolis, WA, United States | 201-500 | Exact match | 225 contacts → |
“Advantage Investigations is a nationwide leader in the industry for investigative services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Frascofrasco.comHQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 222 contacts → |
“Frasco has hundreds of investigators and regional offices located throughout the country.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  VRC Investigationsvrcinvestigations.comHQ: Dallas Fort Worth, TX, United StatesReported employees: 501-1,000 | Dallas Fort Worth, TX, United States | 501-1,000 | Exact match | 213 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Command Investigationsgocommand.comHQ: Lake Mary, FL, United StatesReported employees: 51-200 | Lake Mary, FL, United States | 51-200 | Exact match | 213 contacts → |
“Command Investigations, LLC is the preferred provider of Surveillance, SIU and Anti-Fraud Programming provided to P&C Carriers, Self-Insured Entities and Third-Party…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Alpine Intelalpineintel.comHQ: Charlotte, TX, United StatesReported employees: 1,001-5,000 | Charlotte, TX, United States | 1,001-5,000 | Exact match | 210 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Star Security INCstarsecurity.comHQ: Hamilton, ON, CanadaReported employees: 1,001-5,000 | Hamilton, ON, Canada | 1,001-5,000 | Exact match | 204 contacts → |
“Star Security is an independently owned Canadian Security Agency.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Globe Detective Agency P LTDglobedetective.comHQ: New Delhi, IndiaReported employees: 5,001-10,000 | New Delhi, India | 5,001-10,000 | Exact match | 181 contacts → |
“Globe Detective Agency (P) Ltd.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  RCS S.P.Arcslab.itHQ: Milan, ItalyReported employees: 201-500 | Milan, Italy | 201-500 | Exact match | 175 contacts → |
“BEHIND A SAFER WORLD RCS S.p.A.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Maltegomaltego.comHQ: Munich, GermanyReported employees: 51-200 | Munich, Germany | 51-200 | Exact match | 173 contacts → |
“Maltego is the world’s most used all-in-one investigation platform that turns complex data into actionable insights in minutes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  PSApsagroup.comHQ: Washington, United StatesReported employees: 51-200 | Washington, United States | 51-200 | Exact match | 163 contacts → |
“PSA is a global due diligence and investigations firm headquartered in Washington, DC.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Leadsonlineleadsonline.comHQ: Plano, QC, United StatesReported employees: 201-500 | Plano, QC, United States | 201-500 | Exact match | 161 contacts → |
“LeadsOnline is a global provider of investigative technology that empowers law enforcement to advance cases faster and make communities safer.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,469 company matches
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Investigation agencies: 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
5,400 records in the displayed employee bands.
69 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 5,469 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 ↗
Investigation agencies by location
22 lists · largest firstEvery Investigation agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Investigation agencies based in the United States2,271
- Investigation agencies based in the United Kingdom315
- Investigation agencies based in Italy286
- Investigation agencies based in India235
- Investigation agencies based in Canada193
- Investigation agencies based in Australia161
- Investigation agencies based in Spain139
- Investigation agencies based in France125
- Investigation agencies based in the Netherlands109
- Investigation agencies based in Brazil102
- Investigation agencies based in South Africa82
- Investigation agencies based in Switzerland36
- Investigation agencies based in New Zealand28
Cities
- Investigation agencies based in London, United Kingdom101
- Investigation agencies based in New York, United States59
- Investigation agencies based in Milan, Italy35
- Investigation agencies based in Miami, United States34
- Investigation agencies based in Toronto, Canada32
- Investigation agencies based in Chicago, United States28
- Investigation agencies based in Houston, United States28
- Investigation agencies based in Los Angeles, United States28
- Investigation agencies based in Sydney, Australia28
Questions about this company list
What does Exact match mean for investigation agencies?
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 investigation agencies did RevenueBase find worldwide?
The saved snapshot records 5,469 matching company records, 80,648 tracked contacts and 13,955 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 investigation agencies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/investigation-agencies.
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 investigation agencies worldwide
RevenueBase records 5,469 matching company records for investigation agencies worldwide, with 80,648 tracked contacts and 13,955 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 investigation agencies 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 | Swedish Prosecution Authorityaklagare.se HQ: Stockholm, SwedenReported employees: 1,001-5,000 | Stockholm, Sweden | 1,001-5,000 | Exact match | 997 contacts → |
“The Swedish Prosecution Authority work in collaboration with other authorities to ensure that criminal investigations are carried out efficiently with legal certainty.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Chainalysischainalysis.com HQ: New York, United StatesReported employees: 501-1,000 | New York, United States | 501-1,000 | Exact match | 818 contacts → |
“Chainalysis offers cryptocurrency investigation and compliance solutions to global law enforcement agencies, regulators, and businesses as they work together to fight illicit…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | FDLEfdle.state.fl.us HQ: Tallahassee, FL, United StatesReported employees: 1,001-5,000 | Tallahassee, FL, United States | 1,001-5,000 | Exact match | 718 contacts → |
“Our Mission To promote public safety and strengthen domestic security by providing services in partnership with local, state, and federal criminal justice agencies to prevent…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Omniplex World Services Corporationomniplex.com HQ: Herndon, VA, United StatesReported employees: 1,001-5,000 | Herndon, VA, United States | 1,001-5,000 | Exact match | 696 contacts → |
“OMNIPLEX World Services Corporation is a leader and innovator in delivering professional background investigations, intelligence support, and physical security services to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Special Investigating Unitsiu.org.za HQ: South AfricaReported employees: 501-1,000 | South Africa | 501-1,000 | Exact match | 554 contacts → |
“The Special Investigating Unit is established in terms of the Special Investigating Units and Special Tribunals Act 74 of 1996.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Norred & Associates, INCnorred.com HQ: Atlanta, GA, United StatesReported employees: 501-1,000 | Atlanta, GA, United States | 501-1,000 | Exact match | 378 contacts → |
“A full-service firm with the proven capabilities to manage all facets of your company’s security requirements, Norred & Associates, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Coventbridge Groupcoventbridge.com HQ: Jacksonville, FL, United StatesReported employees: 501-1,000 | Jacksonville, FL, United States | 501-1,000 | Exact match | 377 contacts → |
“CoventBridge Group is the leading worldwide full service investigation solutions company providing: Surveillance, SIU and Compliance, Claims Investigation, Counter-Fraud Programs…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | NYSomig.state.ny.us HQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 373 contacts → |
“Investigate fraud, waste, and abuse in the NYS Medicaid program.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Vcheckvcheckglobal.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 367 contacts → |
“Vcheck is a global investigations firm that helps institutions protect their investments by providing intelligence on individuals and entities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Digistream Investigationsdigistream.com HQ: Davis, CA, United StatesReported employees: 201-500 | Davis, CA, United States | 201-500 | Exact match | 359 contacts → |
“DigiStream Investigations is a full-service private investigation firm specializing in insurance defense and legal support services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Algemene Rekenkamerrekenkamer.nl HQ: The Hague, NetherlandsReported employees: 201-500 | The Hague, Netherlands | 201-500 | Exact match | 329 contacts → |
“De Algemene Rekenkamer controleert of rijksoverheid geld uitgeeft en beleid uitvoert zoals het de bedoeling was.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: United StatesReported employees: 201-500 | United States | 201-500 | Exact match | 329 contacts → |
“Investgation of Civil Fraud through out the state.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Delta Groupdeltagroup.net HQ: Buford, GA, IndiaReported employees: 501-1,000 | Buford, GA, India | 501-1,000 | Exact match | 262 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HUB Enterprises, INChubenterprises.com HQ: Broussard, LA, United StatesReported employees: 501-1,000 | Broussard, LA, United States | 501-1,000 | Exact match | 237 contacts → |
“HUB Enterprises is a national insurance defense investigative firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Advantage Investigationsadvantageinvestigations.com HQ: Kannapolis, WA, United StatesReported employees: 201-500 | Kannapolis, WA, United States | 201-500 | Exact match | 225 contacts → |
“Advantage Investigations is a nationwide leader in the industry for investigative services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Frascofrasco.com HQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 222 contacts → |
“Frasco has hundreds of investigators and regional offices located throughout the country.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | VRC Investigationsvrcinvestigations.com HQ: Dallas Fort Worth, TX, United StatesReported employees: 501-1,000 | Dallas Fort Worth, TX, United States | 501-1,000 | Exact match | 213 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Command Investigationsgocommand.com HQ: Lake Mary, FL, United StatesReported employees: 51-200 | Lake Mary, FL, United States | 51-200 | Exact match | 213 contacts → |
“Command Investigations, LLC is the preferred provider of Surveillance, SIU and Anti-Fraud Programming provided to P&C Carriers, Self-Insured Entities and Third-Party…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Alpine Intelalpineintel.com HQ: Charlotte, TX, United StatesReported employees: 1,001-5,000 | Charlotte, TX, United States | 1,001-5,000 | Exact match | 210 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Star Security INCstarsecurity.com HQ: Hamilton, ON, CanadaReported employees: 1,001-5,000 | Hamilton, ON, Canada | 1,001-5,000 | Exact match | 204 contacts → |
“Star Security is an independently owned Canadian Security Agency.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Globe Detective Agency P LTDglobedetective.com HQ: New Delhi, IndiaReported employees: 5,001-10,000 | New Delhi, India | 5,001-10,000 | Exact match | 181 contacts → |
“Globe Detective Agency (P) Ltd.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | RCS S.P.Arcslab.it HQ: Milan, ItalyReported employees: 201-500 | Milan, Italy | 201-500 | Exact match | 175 contacts → |
“BEHIND A SAFER WORLD RCS S.p.A.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Maltegomaltego.com HQ: Munich, GermanyReported employees: 51-200 | Munich, Germany | 51-200 | Exact match | 173 contacts → |
“Maltego is the world’s most used all-in-one investigation platform that turns complex data into actionable insights in minutes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | PSApsagroup.com HQ: Washington, United StatesReported employees: 51-200 | Washington, United States | 51-200 | Exact match | 163 contacts → |
“PSA is a global due diligence and investigations firm headquartered in Washington, DC.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Leadsonlineleadsonline.com HQ: Plano, QC, United StatesReported employees: 201-500 | Plano, QC, United States | 201-500 | Exact match | 161 contacts → |
“LeadsOnline is a global provider of investigative technology that empowers law enforcement to advance cases faster and make communities safer.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,469 company matches
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Investigation agencies: 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
5,400 records in the displayed employee bands.
69 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 5,469 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 ↗
Investigation agencies by location
22 lists · largest firstEvery Investigation agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Investigation agencies based in the United States2,271
- Investigation agencies based in the United Kingdom315
- Investigation agencies based in Italy286
- Investigation agencies based in India235
- Investigation agencies based in Canada193
- Investigation agencies based in Australia161
- Investigation agencies based in Spain139
- Investigation agencies based in France125
- Investigation agencies based in the Netherlands109
- Investigation agencies based in Brazil102
- Investigation agencies based in South Africa82
- Investigation agencies based in Switzerland36
- Investigation agencies based in New Zealand28
Cities
- Investigation agencies based in London, United Kingdom101
- Investigation agencies based in New York, United States59
- Investigation agencies based in Milan, Italy35
- Investigation agencies based in Miami, United States34
- Investigation agencies based in Toronto, Canada32
- Investigation agencies based in Chicago, United States28
- Investigation agencies based in Houston, United States28
- Investigation agencies based in Los Angeles, United States28
- Investigation agencies based in Sydney, Australia28
Questions about this company list
What does Exact match mean for investigation agencies?
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 investigation agencies did RevenueBase find worldwide?
The saved snapshot records 5,469 matching company records, 80,648 tracked contacts and 13,955 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 investigation agencies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/investigation-agencies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗