Company lists · Data refreshed November 2026
Top 25 Corporate investigation services worldwide
RevenueBase identified 5,077 company matches for corporate investigation services worldwide as of November 2026 and tracks 37,101 professional contacts across them, including 6,498 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for corporate investigation services 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 corporate investigation services 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 corporate investigation services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 540 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 420 contacts → | ||||
Exact match “American Security & Investigations has provided security and investigative services throughout the upper midwest since 1959.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 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 | |||||
| 5 | 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 | |||||
| 6 | 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 | |||||
| 7 | 292 contacts → | ||||
Exact match “We stand at the forefront of leadership, insight, and guidance in a world marked by complexity and uncertainty.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 252 contacts → | ||||
Exact match “ADC supports government and corporate clients with two primary services - personnel security, ranging from pre-employment checks to comprehensive background investigations and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 246 contacts → | ||||
Exact match “IIRIS operating under its distinct business offerings "IntelliRisk"(IR),"IntelliSense"(IS),"Security Design" and "Brand Protection" seeks to provide comprehensive intelligence…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 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 | |||||
| 11 | 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 | |||||
| 12 | 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 | |||||
| 13 | 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 | |||||
| 14 | 181 contacts → | ||||
Exact match “Globe Detective Agency (P) Ltd.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 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 | |||||
| 16 | 152 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 143 contacts → | ||||
Exact match “Alias Intelligence is a leading background investigations and due diligence company delivering the information and insights our clients need to grow and navigate their businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 143 contacts → | ||||
Exact match “Life Defense Seguranca is a security and investigations company based out of St De Armazenagem E Abastecimento Saa, Quadra 03, 200, Brasilia, Distrito Federal, Brazil.r” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 139 contacts → | ||||
Exact match “Corporate Research and Investigations Limited is a global provider of investigative research, background screening and business due diligence services for the world’s leading…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 138 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 135 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 130 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 128 contacts → | ||||
Exact match “Every decision carries a risk.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 126 contacts → | ||||
Exact match “FACT are at the forefront of investigative and intelligence services, recognised by organisations, law enforcement, and governments worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 122 contacts → | ||||
Exact match Recorded description not available. 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 “corporate investigation services”. 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 5,077 corporate investigation services worldwide
See the full list, filter by size, metro and specialty, and access 6,498 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Corporate investigation services 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 corporate investigation services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “corporate investigation services” 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 6,498 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.
Corporate investigation services by location
24 lists · largest firstEvery Corporate investigation services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Corporate investigation services based in the United States2,082
- Corporate investigation services based in the United Kingdom275
- Corporate investigation services based in India274
- Corporate investigation services based in Italy274
- Corporate investigation services based in Canada177
- Corporate investigation services based in Australia134
- Corporate investigation services based in Spain123
- Corporate investigation services based in Brazil108
- Corporate investigation services based in France102
- Corporate investigation services based in South Africa87
- Corporate investigation services based in the Netherlands85
- Corporate investigation services based in Switzerland30
- Corporate investigation services based in New Zealand26
Cities
- Corporate investigation services based in London, United Kingdom95
- Corporate investigation services based in New York, United States62
- Corporate investigation services based in Sao Paulo, Brazil41
- Corporate investigation services based in Milan, Italy36
- Corporate investigation services based in Toronto, Canada34
- Corporate investigation services based in Houston, United States32
- Corporate investigation services based in Miami, United States30
- Corporate investigation services based in Mumbai, India28
- Corporate investigation services based in Washington, United States28
- Corporate investigation services based in Los Angeles, United States27
- Corporate investigation services based in Chicago, United States26
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 “corporate investigation services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many corporate investigation services are there worldwide?
RevenueBase identified 5,077 company matches for corporate investigation services 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?
Omniplex World Services Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most corporate investigation services?
The United States leads with 2,082 companies, followed by the United Kingdom (275) and India (274). Every corporate investigation services list by country and city is linked on this page.
Which city has the most corporate investigation services?
London leads with 97 company records, followed by New York (62) and New Delhi (47).
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 6,498 professional contacts with verified work emails tracked across these 5,077 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 5,077 corporate investigation services 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 corporate investigation services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 5,077 matching company records for corporate investigation services worldwide, with 37,101 tracked contacts and 6,498 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 corporate investigation services 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 |  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. | |||||
| 2 |  Ranger Americanrangeramerican.comHQ: San Juan, United StatesReported employees: 1,001-5,000 | San Juan, United States | 1,001-5,000 | Exact match | 540 contacts → |
“Founded in 1982, Ranger American is a professional security organization with an extensive background in the security and investigation fields.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  American Security & Investigationsamericansecurityllc.comHQ: St. Paul, IA, United StatesReported employees: 1,001-5,000 | St. Paul, IA, United States | 1,001-5,000 | Exact match | 420 contacts → |
“American Security & Investigations has provided security and investigative services throughout the upper midwest since 1959.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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. | |||||
| 5 |  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. | |||||
| 6 |  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. | |||||
| 7 |  Guidepost Solutionsguidepostsolutions.comHQ: New York, IL, United StatesReported employees: 201-500 | New York, IL, United States | 201-500 | Exact match | 292 contacts → |
“We stand at the forefront of leadership, insight, and guidance in a world marked by complexity and uncertainty.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  ADC LTD NMadcltdnm.comHQ: Albuquerque, NM, United StatesReported employees: 501-1,000 | Albuquerque, NM, United States | 501-1,000 | Exact match | 252 contacts → |
“ADC supports government and corporate clients with two primary services - personnel security, ranging from pre-employment checks to comprehensive background investigations and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Iiris Consulting Pvt. LTDiirisconsulting.comHQ: Gurgaon, IndiaReported employees: 51-200 | Gurgaon, India | 51-200 | Exact match | 246 contacts → |
“IIRIS operating under its distinct business offerings "IntelliRisk"(IR),"IntelliSense"(IS),"Security Design" and "Brand Protection" seeks to provide comprehensive intelligence…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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. | |||||
| 11 |  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. | |||||
| 12 |  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. | |||||
| 13 |  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. | |||||
| 14 |  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. | |||||
| 15 |  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. | |||||
| 16 |  Information Discovery Services LLCinformationdiscovery.netHQ: Fort Worth, TX, United StatesReported employees: 51-200 | Fort Worth, TX, United States | 51-200 | Exact match | 152 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Alias Intelligencealiasintelligence.comHQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 143 contacts → |
“Alias Intelligence is a leading background investigations and due diligence company delivering the information and insights our clients need to grow and navigate their businesses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Life Defense Eletrônicalifeeletronica.com.brHQ: Brasilia, BrazilReported employees: 11-50 | Brasilia, Brazil | 11-50 | Exact match | 143 contacts → |
“Life Defense Seguranca is a security and investigations company based out of St De Armazenagem E Abastecimento Saa, Quadra 03, 200, Brasilia, Distrito Federal, Brazil.r” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Corporate Research And Investigationscrigroup.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 139 contacts → |
“Corporate Research and Investigations Limited is a global provider of investigative research, background screening and business due diligence services for the world’s leading…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Lemieux & Associateslemieuxassociates.comHQ: North Haven, CT, United StatesReported employees: 501-1,000 | North Haven, CT, United States | 501-1,000 | Exact match | 138 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Mediprobe Consultancy Services PVT LTDrkrmglobal.comHQ: Pune, IndiaReported employees: Not recorded | Pune, India | Not recorded | Exact match | 135 contacts → |
“Mediprobe Consultancy Services Pvt Ltd is a leading insurance investigation agency with over 15 years of experience.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Beau Dietl & Associatesinvestigations.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 130 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Securitas Indiasecuritas.inHQ: Gurgaon, IndiaReported employees: 10001+ | Gurgaon, India | 10001+ | Exact match | 128 contacts → |
“Every decision carries a risk.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  FACTfact-uk.org.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 126 contacts → |
“FACT are at the forefront of investigative and intelligence services, recognised by organisations, law enforcement, and governments worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Comprehensive Credit Services Incorporatedccsi.com.ph HQ: Cebu, PhilippinesReported employees: 51-200 | Cebu, Philippines | 51-200 | Exact match | 122 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 5,077 company matches
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Corporate investigation services: 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
5,018 records in the displayed employee bands.
59 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 5,077 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 ↗
Corporate investigation services by location
24 lists · largest firstEvery Corporate investigation services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Corporate investigation services based in the United States2,082
- Corporate investigation services based in the United Kingdom275
- Corporate investigation services based in India274
- Corporate investigation services based in Italy274
- Corporate investigation services based in Canada177
- Corporate investigation services based in Australia134
- Corporate investigation services based in Spain123
- Corporate investigation services based in Brazil108
- Corporate investigation services based in France102
- Corporate investigation services based in South Africa87
- Corporate investigation services based in the Netherlands85
- Corporate investigation services based in Switzerland30
- Corporate investigation services based in New Zealand26
Cities
- Corporate investigation services based in London, United Kingdom95
- Corporate investigation services based in New York, United States62
- Corporate investigation services based in Sao Paulo, Brazil41
- Corporate investigation services based in Milan, Italy36
- Corporate investigation services based in Toronto, Canada34
- Corporate investigation services based in Houston, United States32
- Corporate investigation services based in Miami, United States30
- Corporate investigation services based in Mumbai, India28
- Corporate investigation services based in Washington, United States28
- Corporate investigation services based in Los Angeles, United States27
- Corporate investigation services based in Chicago, United States26
Questions about this company list
What does Exact match mean for corporate investigation services?
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 corporate investigation services did RevenueBase find worldwide?
The saved snapshot records 5,077 matching company records, 37,101 tracked contacts and 6,498 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 corporate investigation services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/corporate-investigation-services.
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 corporate investigation services worldwide
RevenueBase records 5,077 matching company records for corporate investigation services worldwide, with 37,101 tracked contacts and 6,498 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 corporate investigation services 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 | 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. | |||||
| 2 | Ranger Americanrangeramerican.com HQ: San Juan, United StatesReported employees: 1,001-5,000 | San Juan, United States | 1,001-5,000 | Exact match | 540 contacts → |
“Founded in 1982, Ranger American is a professional security organization with an extensive background in the security and investigation fields.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | American Security & Investigationsamericansecurityllc.com HQ: St. Paul, IA, United StatesReported employees: 1,001-5,000 | St. Paul, IA, United States | 1,001-5,000 | Exact match | 420 contacts → |
“American Security & Investigations has provided security and investigative services throughout the upper midwest since 1959.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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. | |||||
| 5 | 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. | |||||
| 6 | 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. | |||||
| 7 | Guidepost Solutionsguidepostsolutions.com HQ: New York, IL, United StatesReported employees: 201-500 | New York, IL, United States | 201-500 | Exact match | 292 contacts → |
“We stand at the forefront of leadership, insight, and guidance in a world marked by complexity and uncertainty.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | ADC LTD NMadcltdnm.com HQ: Albuquerque, NM, United StatesReported employees: 501-1,000 | Albuquerque, NM, United States | 501-1,000 | Exact match | 252 contacts → |
“ADC supports government and corporate clients with two primary services - personnel security, ranging from pre-employment checks to comprehensive background investigations and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Iiris Consulting Pvt. LTDiirisconsulting.com HQ: Gurgaon, IndiaReported employees: 51-200 | Gurgaon, India | 51-200 | Exact match | 246 contacts → |
“IIRIS operating under its distinct business offerings "IntelliRisk"(IR),"IntelliSense"(IS),"Security Design" and "Brand Protection" seeks to provide comprehensive intelligence…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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. | |||||
| 11 | 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. | |||||
| 12 | 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. | |||||
| 13 | 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. | |||||
| 14 | 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. | |||||
| 15 | 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. | |||||
| 16 | Information Discovery Services LLCinformationdiscovery.net HQ: Fort Worth, TX, United StatesReported employees: 51-200 | Fort Worth, TX, United States | 51-200 | Exact match | 152 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Alias Intelligencealiasintelligence.com HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 143 contacts → |
“Alias Intelligence is a leading background investigations and due diligence company delivering the information and insights our clients need to grow and navigate their businesses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Life Defense Eletrônicalifeeletronica.com.br HQ: Brasilia, BrazilReported employees: 11-50 | Brasilia, Brazil | 11-50 | Exact match | 143 contacts → |
“Life Defense Seguranca is a security and investigations company based out of St De Armazenagem E Abastecimento Saa, Quadra 03, 200, Brasilia, Distrito Federal, Brazil.r” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Corporate Research And Investigationscrigroup.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 139 contacts → |
“Corporate Research and Investigations Limited is a global provider of investigative research, background screening and business due diligence services for the world’s leading…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Lemieux & Associateslemieuxassociates.com HQ: North Haven, CT, United StatesReported employees: 501-1,000 | North Haven, CT, United States | 501-1,000 | Exact match | 138 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 · November 6, 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 | 135 contacts → |
“Mediprobe Consultancy Services Pvt Ltd is a leading insurance investigation agency with over 15 years of experience.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Beau Dietl & Associatesinvestigations.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 130 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Securitas Indiasecuritas.in HQ: Gurgaon, IndiaReported employees: 10001+ | Gurgaon, India | 10001+ | Exact match | 128 contacts → |
“Every decision carries a risk.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | FACTfact-uk.org.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 126 contacts → |
“FACT are at the forefront of investigative and intelligence services, recognised by organisations, law enforcement, and governments worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Comprehensive Credit Services Incorporatedccsi.com.ph HQ: Cebu, PhilippinesReported employees: 51-200 | Cebu, Philippines | 51-200 | Exact match | 122 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 5,077 company matches
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Corporate investigation services: 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
5,018 records in the displayed employee bands.
59 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 5,077 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 ↗
Corporate investigation services by location
24 lists · largest firstEvery Corporate investigation services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Corporate investigation services based in the United States2,082
- Corporate investigation services based in the United Kingdom275
- Corporate investigation services based in India274
- Corporate investigation services based in Italy274
- Corporate investigation services based in Canada177
- Corporate investigation services based in Australia134
- Corporate investigation services based in Spain123
- Corporate investigation services based in Brazil108
- Corporate investigation services based in France102
- Corporate investigation services based in South Africa87
- Corporate investigation services based in the Netherlands85
- Corporate investigation services based in Switzerland30
- Corporate investigation services based in New Zealand26
Cities
- Corporate investigation services based in London, United Kingdom95
- Corporate investigation services based in New York, United States62
- Corporate investigation services based in Sao Paulo, Brazil41
- Corporate investigation services based in Milan, Italy36
- Corporate investigation services based in Toronto, Canada34
- Corporate investigation services based in Houston, United States32
- Corporate investigation services based in Miami, United States30
- Corporate investigation services based in Mumbai, India28
- Corporate investigation services based in Washington, United States28
- Corporate investigation services based in Los Angeles, United States27
- Corporate investigation services based in Chicago, United States26
Questions about this company list
What does Exact match mean for corporate investigation services?
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 corporate investigation services did RevenueBase find worldwide?
The saved snapshot records 5,077 matching company records, 37,101 tracked contacts and 6,498 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 corporate investigation services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/corporate-investigation-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗