Company lists · Data refreshed September 2026
Top 25 Investigative agencies worldwide
RevenueBase identified 3,951 company matches for investigative agencies worldwide as of September 2026 and tracks 81,867 professional contacts across them, including 13,477 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for investigative 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 September 20, 2026. Country and city lists for investigative 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 investigative agencies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,544 contacts → | ||||
Exact match “La labor de la Contraloría es eminentemente fiscalizadora; de carácter jurídico, contable y financiero, pues está destinada a cautelar el principio de legalidad, es decir…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 946 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 677 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 676 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 572 contacts → | ||||
Exact match “DK Security is unique in that it offers a single company for a wide ranging availability of security and investigative services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 560 contacts → | ||||
Exact match “Rund 2’200 Personen arbeiten in der Direktion der Justiz und des Innern, im Generalsekretariat, in 4 Ämtern, 3 Fachämtern, 4 Fachstellen und zwei angegliederten Bereichen.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 550 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 518 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 | |||||
| 9 | 511 contacts → | ||||
Exact match “Founded in 1982, Ranger American is a professional security organization with an extensive background in the security and investigation fields.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 386 contacts → | ||||
Exact match “Dibentuk berdasarkan Undang-Undang Nomor 30 Tahun 2002 tentang Komisi Pemberantasan Tindak Pidana Korupsi, Komisi Pemberantasan Korupsi (KPK) diberi amanat melakukan pemberantasan…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 344 contacts → | ||||
Exact match “Investigate fraud, waste, and abuse in the NYS Medicaid program.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 327 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 | |||||
| 13 | 325 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 321 contacts → | ||||
Exact match “Vi rekrutterer personer med høy kompetanse til et bredt og tverrfaglig miljø.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 312 contacts → | ||||
Exact match “Investgation of Civil Fraud through out the state.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 285 contacts → | ||||
Exact match “Riksrevisionen är en oberoende myndighet under riksdagen med uppdrag att granska statens verksamhet.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 214 contacts → | ||||
Exact match “Frasco has hundreds of investigators and regional offices located throughout the country.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 214 contacts → | ||||
Exact match “Advantage Investigations is a nationwide leader in the industry for investigative services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 146 contacts → | ||||
Exact match “A federally qualified Small Business, IDS offers end to end investigative solutions tailored to meet the specific needs of our clients.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 129 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 | |||||
| 21 | 126 contacts → | ||||
Exact match “Mediprobe Consultancy Services Pvt Ltd is a leading insurance investigation agency with over 15 years of experience.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 124 contacts → | ||||
Exact match “The City of Chicago Office of Inspector General (OIG) is an independent, nonpartisan oversight agency whose mission is to promote economy, effectiveness, efficiency, and integrity…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 119 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 | |||||
| 24 | 112 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 111 contacts → | ||||
Exact match “Bijdragen aan een rechtvaardige en veilige samenleving.” Recorded in the RevenueBase company graph · Sep 20, 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 “investigative 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 3,951 investigative agencies worldwide
See the full list, filter by size, metro and specialty, and access 13,477 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Investigative agencies worldwide at a glance
As of Sep 20, 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 investigative agencies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “investigative 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 13,477 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.
Investigative agencies by location
11 lists · largest firstEvery Investigative agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Investigative agencies based in the United States1,827
- Investigative agencies based in Italy221
- Investigative agencies based in the United Kingdom183
- Investigative agencies based in Canada124
- Investigative agencies based in Spain103
- Investigative agencies based in Australia95
- Investigative agencies based in the Netherlands75
- Investigative agencies based in South Africa41
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 “investigative agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many investigative agencies are there worldwide?
RevenueBase identified 3,951 company matches for investigative agencies 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?
Contraloría General DE LA República tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most investigative agencies?
The United States leads with 1,827 companies, followed by Italy (221) and the United Kingdom (183). Every investigative agencies list by country and city is linked on this page.
Which city has the most investigative agencies?
London leads with 62 company records, followed by New York (53) and Washington (44).
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 13,477 professional contacts with verified work emails tracked across these 3,951 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.
Ready to reach these companies? Verified emails and direct dials for all 3,951 investigative 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 investigative 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 3,951 matching company records for investigative agencies worldwide, with 81,867 tracked contacts and 13,477 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: September 20, 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 investigative 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 | Contraloría General DE LA Repúblicacontraloria.cl HQ: Santiago, ChileReported employees: 1,001-5,000 | Santiago, Chile | 1,001-5,000 | Exact match | 1,544 contacts → |
“La labor de la Contraloría es eminentemente fiscalizadora; de carácter jurídico, contable y financiero, pues está destinada a cautelar el principio de legalidad, es decir…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Swedish Prosecution Authorityaklagare.se HQ: Stockholm, SwedenReported employees: 1,001-5,000 | Stockholm, Sweden | 1,001-5,000 | Exact match | 946 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Omniplex World Services Corporationomniplex.comHQ: Herndon, VA, United StatesReported employees: 1,001-5,000 | Herndon, VA, United States | 1,001-5,000 | Exact match | 677 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | FDLEfdle.state.fl.us HQ: Tallahassee, FL, United StatesReported employees: 1,001-5,000 | Tallahassee, FL, United States | 1,001-5,000 | Exact match | 676 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  DK Securitydksecurity.comHQ: Grand Rapids, MI, United StatesReported employees: 1,001-5,000 | Grand Rapids, MI, United States | 1,001-5,000 | Exact match | 572 contacts → |
“DK Security is unique in that it offers a single company for a wide ranging availability of security and investigative services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Zurich, SwitzerlandReported employees: 1,001-5,000 | Zurich, Switzerland | 1,001-5,000 | Exact match | 560 contacts → |
“Rund 2’200 Personen arbeiten in der Direktion der Justiz und des Innern, im Generalsekretariat, in 4 Ämtern, 3 Fachämtern, 4 Fachstellen und zwei angegliederten Bereichen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Special Investigating Unitsiu.org.za HQ: South AfricaReported employees: 501-1,000 | South Africa | 501-1,000 | Exact match | 550 contacts → |
“The Special Investigating Unit is established in terms of the Special Investigating Units and Special Tribunals Act 74 of 1996.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Coventbridge Groupcoventbridge.comHQ: Jacksonville, FL, United StatesReported employees: 501-1,000 | Jacksonville, FL, United States | 501-1,000 | Exact match | 518 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Ranger Americanrangeramerican.comHQ: San Juan, United StatesReported employees: 1,001-5,000 | San Juan, United States | 1,001-5,000 | Exact match | 511 contacts → |
“Founded in 1982, Ranger American is a professional security organization with an extensive background in the security and investigation fields.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Komisi Pemberantasan Korupsikpk.go.id HQ: United StatesReported employees: 5,001-10,000 | United States | 5,001-10,000 | Exact match | 386 contacts → |
“Dibentuk berdasarkan Undang-Undang Nomor 30 Tahun 2002 tentang Komisi Pemberantasan Tindak Pidana Korupsi, Komisi Pemberantasan Korupsi (KPK) diberi amanat melakukan pemberantasan…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | NYSomig.state.ny.us HQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 344 contacts → |
“Investigate fraud, waste, and abuse in the NYS Medicaid program.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Digistream Investigationsdigistream.com HQ: Davis, CA, United StatesReported employees: 201-500 | Davis, CA, United States | 201-500 | Exact match | 327 contacts → |
“DigiStream Investigations is a full-service private investigation firm specializing in insurance defense and legal support services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Algemene Rekenkamerrekenkamer.nl HQ: Den Haag, NetherlandsReported employees: 201-500 | Den Haag, Netherlands | 201-500 | Exact match | 325 contacts → |
“De Algemene Rekenkamer controleert of rijksoverheid geld uitgeeft en beleid uitvoert zoals het de bedoeling was.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Statsforvalteren I Østfold, Buskerud, Oslo OG Akershusstatsforvalteren.no HQ: Moss, NorwayReported employees: 501-1,000 | Moss, Norway | 501-1,000 | Exact match | 321 contacts → |
“Vi rekrutterer personer med høy kompetanse til et bredt og tverrfaglig miljø.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: United StatesReported employees: 201-500 | United States | 201-500 | Exact match | 312 contacts → |
“Investgation of Civil Fraud through out the state.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Riksrevisionenriksrevisionen.se HQ: Stockholm, SwedenReported employees: 201-500 | Stockholm, Sweden | 201-500 | Exact match | 285 contacts → |
“Riksrevisionen är en oberoende myndighet under riksdagen med uppdrag att granska statens verksamhet.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Frascofrasco.comHQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 214 contacts → |
“Frasco has hundreds of investigators and regional offices located throughout the country.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Advantage Investigationsadvantageinvestigations.comHQ: Kannapolis, NC, United StatesReported employees: 201-500 | Kannapolis, NC, United States | 201-500 | Exact match | 214 contacts → |
“Advantage Investigations is a nationwide leader in the industry for investigative services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Information Discovery Services LLCinformationdiscovery.netHQ: Fort Worth, TX, United StatesReported employees: 51-200 | Fort Worth, TX, United States | 51-200 | Exact match | 146 contacts → |
“A federally qualified Small Business, IDS offers end to end investigative solutions tailored to meet the specific needs of our clients.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Beau Dietl & Associatesinvestigations.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 129 contacts → |
“Beau Dietl & Associates is a premier private investigation firm based in New York City with offices in New Jersey, Florida, and California.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Mediprobe Consultancy Services PVT LTDrkrmglobal.com HQ: Pune, IndiaReported employees: Not recorded | Pune, India | Not recorded | Exact match | 126 contacts → |
“Mediprobe Consultancy Services Pvt Ltd is a leading insurance investigation agency with over 15 years of experience.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | City Of Chicago Office Of Inspector Generaligchicago.org HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 124 contacts → |
“The City of Chicago Office of Inspector General (OIG) is an independent, nonpartisan oversight agency whose mission is to promote economy, effectiveness, efficiency, and integrity…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Lemieux & Associateslemieuxassociates.com HQ: North Haven, CT, United StatesReported employees: 501-1,000 | North Haven, CT, United States | 501-1,000 | Exact match | 119 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Nardello & COnardelloandco.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 112 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Inspectie Justitie EN Veiligheidinspectie-jenv.nl HQ: Den Haag, NetherlandsReported employees: 51-200 | Den Haag, Netherlands | 51-200 | Exact match | 111 contacts → |
“Bijdragen aan een rechtvaardige en veilige samenleving.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,951 company matches
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Investigative agencies: dataset insights
September 20, 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
3,926 records in the displayed employee bands.
25 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 3,951 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: September 20, 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 ↗
Investigative agencies by location
11 lists · largest firstEvery Investigative agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Investigative agencies based in the United States1,827
- Investigative agencies based in Italy221
- Investigative agencies based in the United Kingdom183
- Investigative agencies based in Canada124
- Investigative agencies based in Spain103
- Investigative agencies based in Australia95
- Investigative agencies based in the Netherlands75
- Investigative agencies based in South Africa41
Cities
Questions about this company list
What does Exact match mean for investigative 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 investigative agencies did RevenueBase find worldwide?
The saved snapshot records 3,951 matching company records, 81,867 tracked contacts and 13,477 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: September 20, 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 investigative agencies worldwide. Snapshot: September 20, 2026. https://revenuebase.ai/companies/browse/investigative-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 investigative agencies worldwide
RevenueBase records 3,951 matching company records for investigative agencies worldwide, with 81,867 tracked contacts and 13,477 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: September 20, 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 investigative 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 | Contraloría General DE LA Repúblicacontraloria.cl HQ: Santiago, ChileReported employees: 1,001-5,000 | Santiago, Chile | 1,001-5,000 | Exact match | 1,544 contacts → |
“La labor de la Contraloría es eminentemente fiscalizadora; de carácter jurídico, contable y financiero, pues está destinada a cautelar el principio de legalidad, es decir…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Swedish Prosecution Authorityaklagare.se HQ: Stockholm, SwedenReported employees: 1,001-5,000 | Stockholm, Sweden | 1,001-5,000 | Exact match | 946 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 | 677 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | FDLEfdle.state.fl.us HQ: Tallahassee, FL, United StatesReported employees: 1,001-5,000 | Tallahassee, FL, United States | 1,001-5,000 | Exact match | 676 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | DK Securitydksecurity.com HQ: Grand Rapids, MI, United StatesReported employees: 1,001-5,000 | Grand Rapids, MI, United States | 1,001-5,000 | Exact match | 572 contacts → |
“DK Security is unique in that it offers a single company for a wide ranging availability of security and investigative services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Zurich, SwitzerlandReported employees: 1,001-5,000 | Zurich, Switzerland | 1,001-5,000 | Exact match | 560 contacts → |
“Rund 2’200 Personen arbeiten in der Direktion der Justiz und des Innern, im Generalsekretariat, in 4 Ämtern, 3 Fachämtern, 4 Fachstellen und zwei angegliederten Bereichen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Special Investigating Unitsiu.org.za HQ: South AfricaReported employees: 501-1,000 | South Africa | 501-1,000 | Exact match | 550 contacts → |
“The Special Investigating Unit is established in terms of the Special Investigating Units and Special Tribunals Act 74 of 1996.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Coventbridge Groupcoventbridge.com HQ: Jacksonville, FL, United StatesReported employees: 501-1,000 | Jacksonville, FL, United States | 501-1,000 | Exact match | 518 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ranger Americanrangeramerican.com HQ: San Juan, United StatesReported employees: 1,001-5,000 | San Juan, United States | 1,001-5,000 | Exact match | 511 contacts → |
“Founded in 1982, Ranger American is a professional security organization with an extensive background in the security and investigation fields.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Komisi Pemberantasan Korupsikpk.go.id HQ: United StatesReported employees: 5,001-10,000 | United States | 5,001-10,000 | Exact match | 386 contacts → |
“Dibentuk berdasarkan Undang-Undang Nomor 30 Tahun 2002 tentang Komisi Pemberantasan Tindak Pidana Korupsi, Komisi Pemberantasan Korupsi (KPK) diberi amanat melakukan pemberantasan…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | NYSomig.state.ny.us HQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 344 contacts → |
“Investigate fraud, waste, and abuse in the NYS Medicaid program.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Digistream Investigationsdigistream.com HQ: Davis, CA, United StatesReported employees: 201-500 | Davis, CA, United States | 201-500 | Exact match | 327 contacts → |
“DigiStream Investigations is a full-service private investigation firm specializing in insurance defense and legal support services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Algemene Rekenkamerrekenkamer.nl HQ: Den Haag, NetherlandsReported employees: 201-500 | Den Haag, Netherlands | 201-500 | Exact match | 325 contacts → |
“De Algemene Rekenkamer controleert of rijksoverheid geld uitgeeft en beleid uitvoert zoals het de bedoeling was.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Statsforvalteren I Østfold, Buskerud, Oslo OG Akershusstatsforvalteren.no HQ: Moss, NorwayReported employees: 501-1,000 | Moss, Norway | 501-1,000 | Exact match | 321 contacts → |
“Vi rekrutterer personer med høy kompetanse til et bredt og tverrfaglig miljø.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: United StatesReported employees: 201-500 | United States | 201-500 | Exact match | 312 contacts → |
“Investgation of Civil Fraud through out the state.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Riksrevisionenriksrevisionen.se HQ: Stockholm, SwedenReported employees: 201-500 | Stockholm, Sweden | 201-500 | Exact match | 285 contacts → |
“Riksrevisionen är en oberoende myndighet under riksdagen med uppdrag att granska statens verksamhet.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Frascofrasco.com HQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 214 contacts → |
“Frasco has hundreds of investigators and regional offices located throughout the country.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Advantage Investigationsadvantageinvestigations.com HQ: Kannapolis, NC, United StatesReported employees: 201-500 | Kannapolis, NC, United States | 201-500 | Exact match | 214 contacts → |
“Advantage Investigations is a nationwide leader in the industry for investigative services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Information Discovery Services LLCinformationdiscovery.net HQ: Fort Worth, TX, United StatesReported employees: 51-200 | Fort Worth, TX, United States | 51-200 | Exact match | 146 contacts → |
“A federally qualified Small Business, IDS offers end to end investigative solutions tailored to meet the specific needs of our clients.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Beau Dietl & Associatesinvestigations.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 129 contacts → |
“Beau Dietl & Associates is a premier private investigation firm based in New York City with offices in New Jersey, Florida, and California.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Mediprobe Consultancy Services PVT LTDrkrmglobal.com HQ: Pune, IndiaReported employees: Not recorded | Pune, India | Not recorded | Exact match | 126 contacts → |
“Mediprobe Consultancy Services Pvt Ltd is a leading insurance investigation agency with over 15 years of experience.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | City Of Chicago Office Of Inspector Generaligchicago.org HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 124 contacts → |
“The City of Chicago Office of Inspector General (OIG) is an independent, nonpartisan oversight agency whose mission is to promote economy, effectiveness, efficiency, and integrity…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Lemieux & Associateslemieuxassociates.com HQ: North Haven, CT, United StatesReported employees: 501-1,000 | North Haven, CT, United States | 501-1,000 | Exact match | 119 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Nardello & COnardelloandco.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 112 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Inspectie Justitie EN Veiligheidinspectie-jenv.nl HQ: Den Haag, NetherlandsReported employees: 51-200 | Den Haag, Netherlands | 51-200 | Exact match | 111 contacts → |
“Bijdragen aan een rechtvaardige en veilige samenleving.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,951 company matches
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Investigative agencies: dataset insights
September 20, 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
3,926 records in the displayed employee bands.
25 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 3,951 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: September 20, 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 ↗
Investigative agencies by location
11 lists · largest firstEvery Investigative agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Investigative agencies based in the United States1,827
- Investigative agencies based in Italy221
- Investigative agencies based in the United Kingdom183
- Investigative agencies based in Canada124
- Investigative agencies based in Spain103
- Investigative agencies based in Australia95
- Investigative agencies based in the Netherlands75
- Investigative agencies based in South Africa41
Cities
Questions about this company list
What does Exact match mean for investigative 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 investigative agencies did RevenueBase find worldwide?
The saved snapshot records 3,951 matching company records, 81,867 tracked contacts and 13,477 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: September 20, 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 investigative agencies worldwide. Snapshot: September 20, 2026. https://revenuebase.ai/companies/browse/investigative-agencies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗