Company lists · Data refreshed September 2026
Top 25 Verification services worldwide
RevenueBase identified 1,653 company matches for verification services worldwide as of September 2026 and tracks 45,625 professional contacts across them, including 14,834 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for verification 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 September 21, 2026. Country and city lists for verification 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 verification services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 5,000 contacts → | ||||
Exact match “Our Brand Promise Know your people™ In a world shaped by digital transformation, AI, remote work, regulatory complexity, and rising risk, identity is no longer static.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 2,879 contacts → | ||||
Exact match “Sterling was acquired by First Advantage on October 31st, 2024.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 1,619 contacts → | ||||
Exact match “In a category of inflexible giants and ill-equipped startups, Accurate Background stands alone.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 1,474 contacts → | ||||
Exact match “GIS | HireRight was established in 1966 and is one of the nation's oldest and largest background screening providers.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 1,369 contacts → | ||||
Exact match “AuthBridge is India’s largest Authentication company, delivering cutting-edge technology and alternate data analysis for Identity Management, Onboarding & Verification, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 1,332 contacts → | ||||
Exact match “DataFlow Group is a pioneering global provider of specialized Primary Source Verification (PSV) solutions, and background screening and immigration compliance services that assist…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 1,212 contacts → | ||||
Exact match “GBG is the leading expert in global identity and location tech, enabling safe and rewarding digital lives for genuine people, everywhere.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 961 contacts → | ||||
Exact match “ID.me is the next-generation digital identity wallet that simplifies how individuals securely prove their identity online.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 933 contacts → | ||||
Exact match “Sumsub is the first AI-powered trust infrastructure for compliance operations at scale.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 847 contacts → | ||||
Exact match “IDfy is building the foundational layer of trust for the modern world, providing the essential infrastructure that global businesses, from digital banks to e-commerce giants, rely…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 676 contacts → | ||||
Exact match “Unico is a global identity network that forges trust between people & companies.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 667 contacts → | ||||
Exact match “cFIRST is a digital global background screening service provider headquartered in Cincinnati, Ohio.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 519 contacts → | ||||
Exact match “Veriff is the preferred identity verification partner for the world’s biggest and best digital companies, including pioneers in fintech, crypto, gaming and the mobility sectors.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 477 contacts → | ||||
Exact match “Empowering Confident Hiring Decisions for 15+ Years Verifacts is India’s trusted background verification partner-delivering accurate, customizable checks across employees…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 427 contacts → | ||||
Exact match “We connect businesses to verifiable people data so they can reduce risk, move faster, and make confident decisions with clarity and context.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 422 contacts → | ||||
Exact match “Proof makes trust possible in a digital world.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 420 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 415 contacts → | ||||
Exact match “IDnow is Europe’s leader in digital identity and fraud prevention with a mission to transform trust into the most powerful asset in the digital world, empowering enterprises with…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 414 contacts → | ||||
Exact match “Prove modernizes how digital trust is established and maintained throughout the digital consumer journey, providing unparalleled accuracy in identity verification and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 408 contacts → | ||||
Exact match “Sterling was acquired by First Advantage on October 31st, 2024.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 387 contacts → | ||||
Exact match “Trulioo is the world’s identity platform, trusted by leading companies for their verification and fraud prevention needs.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 369 contacts → | ||||
Exact match “Are you confident in your business’ compliance standards?” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 339 contacts → | ||||
Exact match “CAF is a Brazil-based provider of end-to-end identity verification, proofing and authentication solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 330 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 283 contacts → | ||||
Exact match “Xactus – a leading fintech specializing in verification solutions for the mortgage and financial services industries – leverages advanced technology and industry expertise to…” Recorded in the RevenueBase company graph · Sep 21, 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 “verification 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 1,653 verification services worldwide
See the full list, filter by size, metro and specialty, and access 14,834 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Verification services worldwide at a glance
As of Sep 21, 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 verification services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “verification 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 14,834 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 21, 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.
Verification services by location
7 lists · largest firstEvery Verification services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Verification services based in the United States485
- Verification services based in India249
- Verification services based in the United Kingdom102
- Verification services based in Brazil67
- Verification services based in Canada47
- Verification services based in Australia38
- Verification services based in South Africa37
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 “verification services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many verification services are there worldwide?
RevenueBase identified 1,653 company matches for verification services 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?
First Advantage tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most verification services?
The United States leads with 485 companies, followed by India (249) and the United Kingdom (102). Every verification services list by country and city is linked on this page.
Which city has the most verification services?
London leads with 45 company records, followed by Bengaluru (26) and Bangalore (24).
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 14,834 professional contacts with verified work emails tracked across these 1,653 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,653 verification 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 verification 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 1,653 matching company records for verification services worldwide, with 45,625 tracked contacts and 14,834 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 21, 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 verification 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 |  First Advantagefadv.comHQ: Atlanta, GA, United StatesReported employees: 5,001-10,000 | Atlanta, GA, United States | 5,001-10,000 | Exact match | 5,000 contacts → |
“Our Brand Promise Know your people™ In a world shaped by digital transformation, AI, remote work, regulatory complexity, and rising risk, identity is no longer static.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Sterlingsterlingcheck.comHQ: Independence, OH, United StatesReported employees: 5,001-10,000 | Independence, OH, United States | 5,001-10,000 | Exact match | 2,879 contacts → |
“Sterling was acquired by First Advantage on October 31st, 2024.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Accurate Backgroundaccurate.comHQ: Irvine, CA, United StatesReported employees: 1,001-5,000 | Irvine, CA, United States | 1,001-5,000 | Exact match | 1,619 contacts → |
“In a category of inflexible giants and ill-equipped startups, Accurate Background stands alone.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  GISgeninfo.comHQ: Irvine, CA, United StatesReported employees: 1,001-5,000 | Irvine, CA, United States | 1,001-5,000 | Exact match | 1,474 contacts → |
“GIS | HireRight was established in 1966 and is one of the nation's oldest and largest background screening providers.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Authbridgeauthbridge.comHQ: Gurugram, IndiaReported employees: 501-1,000 | Gurugram, India | 501-1,000 | Exact match | 1,369 contacts → |
“AuthBridge is India’s largest Authentication company, delivering cutting-edge technology and alternate data analysis for Identity Management, Onboarding & Verification, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Dataflow Groupdataflowgroup.com HQ: Dubai, United Arab EmiratesReported employees: 501-1,000 | Dubai, United Arab Emirates | 501-1,000 | Exact match | 1,332 contacts → |
“DataFlow Group is a pioneering global provider of specialized Primary Source Verification (PSV) solutions, and background screening and immigration compliance services that assist…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  GBG PLCgbgplc.comHQ: Chester, TürkiyeReported employees: 1,001-5,000 | Chester, Türkiye | 1,001-5,000 | Exact match | 1,212 contacts → |
“GBG is the leading expert in global identity and location tech, enabling safe and rewarding digital lives for genuine people, everywhere.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  id.meid.meHQ: Mclean, VA, United StatesReported employees: 1,001-5,000 | Mclean, VA, United States | 1,001-5,000 | Exact match | 961 contacts → |
“ID.me is the next-generation digital identity wallet that simplifies how individuals securely prove their identity online.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Sumsubsumsub.linkHQ: Limassol, CyprusReported employees: 501-1,000 | Limassol, Cyprus | 501-1,000 | Exact match | 933 contacts → |
“Sumsub is the first AI-powered trust infrastructure for compliance operations at scale.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  IDFYidfy.comHQ: Mumbai, IndiaReported employees: 501-1,000 | Mumbai, India | 501-1,000 | Exact match | 847 contacts → |
“IDfy is building the foundational layer of trust for the modern world, providing the essential infrastructure that global businesses, from digital banks to e-commerce giants, rely…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Unico IDunico.ioHQ: Sao Paulo, BrazilReported employees: 501-1,000 | Sao Paulo, Brazil | 501-1,000 | Exact match | 676 contacts → |
“Unico is a global identity network that forges trust between people & companies.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Cfirst Background Checks LLPcfirst.ioHQ: Cincinnati, OH, United StatesReported employees: 201-500 | Cincinnati, OH, United States | 201-500 | Exact match | 667 contacts → |
“cFIRST is a digital global background screening service provider headquartered in Cincinnati, Ohio.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Veriffveriff.comHQ: NY, United StatesReported employees: 201-500 | NY, United States | 201-500 | Exact match | 519 contacts → |
“Veriff is the preferred identity verification partner for the world’s biggest and best digital companies, including pioneers in fintech, crypto, gaming and the mobility sectors.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Verifacts Services PVT LTDverifacts.co.inHQ: Bangalore, IndiaReported employees: 501-1,000 | Bangalore, India | 501-1,000 | Exact match | 477 contacts → |
“Empowering Confident Hiring Decisions for 15+ Years Verifacts is India’s trusted background verification partner-delivering accurate, customizable checks across employees…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Informdatainformdata.comHQ: Kennesaw, GA, United StatesReported employees: 1,001-5,000 | Kennesaw, GA, United States | 1,001-5,000 | Exact match | 427 contacts → |
“We connect businesses to verifiable people data so they can reduce risk, move faster, and make confident decisions with clarity and context.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  PROOFproof.comHQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 422 contacts → |
“Proof makes trust possible in a digital world.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  ACSastute.co.inHQ: Pune, IndiaReported employees: 1,001-5,000 | Pune, India | 1,001-5,000 | Exact match | 420 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  IDNOWidnow.ioHQ: Munich, GermanyReported employees: 501-1,000 | Munich, Germany | 501-1,000 | Exact match | 415 contacts → |
“IDnow is Europe’s leader in digital identity and fraud prevention with a mission to transform trust into the most powerful asset in the digital world, empowering enterprises with…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  PROVEprove.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 414 contacts → |
“Prove modernizes how digital trust is established and maintained throughout the digital consumer journey, providing unparalleled accuracy in identity verification and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Sterlingbackchecksterlingbackcheck.caHQ: Toronto, ON, CanadaReported employees: 1,001-5,000 | Toronto, ON, Canada | 1,001-5,000 | Exact match | 408 contacts → |
“Sterling was acquired by First Advantage on October 31st, 2024.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Truliootrulioo.comHQ: Vancouver, BC, CanadaReported employees: 201-500 | Vancouver, BC, Canada | 201-500 | Exact match | 387 contacts → |
“Trulioo is the world’s identity platform, trusted by leading companies for their verification and fraud prevention needs.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Serve Legalservelegal.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 369 contacts → |
“Are you confident in your business’ compliance standards?” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | CAFcaf.io HQ: Venancio Aires, BrazilReported employees: 201-500 | Venancio Aires, Brazil | 201-500 | Exact match | 339 contacts → |
“CAF is a Brazil-based provider of end-to-end identity verification, proofing and authentication solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Vertical Screen, INCverticalscreen.comHQ: Warminster, PA, United KingdomReported employees: 501-1,000 | Warminster, PA, United Kingdom | 501-1,000 | Exact match | 330 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 |  Xactusxactus.comHQ: Broomall, PA, United StatesReported employees: 501-1,000 | Broomall, PA, United States | 501-1,000 | Exact match | 283 contacts → |
“Xactus – a leading fintech specializing in verification solutions for the mortgage and financial services industries – leverages advanced technology and industry expertise to…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,653 company matches
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Verification services: dataset insights
September 21, 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
1,648 records in the displayed employee bands.
5 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 1,653 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 21, 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 ↗
Verification services by location
7 lists · largest firstEvery Verification services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Verification services based in the United States485
- Verification services based in India249
- Verification services based in the United Kingdom102
- Verification services based in Brazil67
- Verification services based in Canada47
- Verification services based in Australia38
- Verification services based in South Africa37
Questions about this company list
What does Exact match mean for verification 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 verification services did RevenueBase find worldwide?
The saved snapshot records 1,653 matching company records, 45,625 tracked contacts and 14,834 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 21, 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 verification services worldwide. Snapshot: September 21, 2026. https://revenuebase.ai/companies/browse/verification-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 verification services worldwide
RevenueBase records 1,653 matching company records for verification services worldwide, with 45,625 tracked contacts and 14,834 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 21, 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 verification 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 | First Advantagefadv.com HQ: Atlanta, GA, United StatesReported employees: 5,001-10,000 | Atlanta, GA, United States | 5,001-10,000 | Exact match | 5,000 contacts → |
“Our Brand Promise Know your people™ In a world shaped by digital transformation, AI, remote work, regulatory complexity, and rising risk, identity is no longer static.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Sterlingsterlingcheck.com HQ: Independence, OH, United StatesReported employees: 5,001-10,000 | Independence, OH, United States | 5,001-10,000 | Exact match | 2,879 contacts → |
“Sterling was acquired by First Advantage on October 31st, 2024.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Accurate Backgroundaccurate.com HQ: Irvine, CA, United StatesReported employees: 1,001-5,000 | Irvine, CA, United States | 1,001-5,000 | Exact match | 1,619 contacts → |
“In a category of inflexible giants and ill-equipped startups, Accurate Background stands alone.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | GISgeninfo.com HQ: Irvine, CA, United StatesReported employees: 1,001-5,000 | Irvine, CA, United States | 1,001-5,000 | Exact match | 1,474 contacts → |
“GIS | HireRight was established in 1966 and is one of the nation's oldest and largest background screening providers.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Authbridgeauthbridge.com HQ: Gurugram, IndiaReported employees: 501-1,000 | Gurugram, India | 501-1,000 | Exact match | 1,369 contacts → |
“AuthBridge is India’s largest Authentication company, delivering cutting-edge technology and alternate data analysis for Identity Management, Onboarding & Verification, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Dataflow Groupdataflowgroup.com HQ: Dubai, United Arab EmiratesReported employees: 501-1,000 | Dubai, United Arab Emirates | 501-1,000 | Exact match | 1,332 contacts → |
“DataFlow Group is a pioneering global provider of specialized Primary Source Verification (PSV) solutions, and background screening and immigration compliance services that assist…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | GBG PLCgbgplc.com HQ: Chester, TürkiyeReported employees: 1,001-5,000 | Chester, Türkiye | 1,001-5,000 | Exact match | 1,212 contacts → |
“GBG is the leading expert in global identity and location tech, enabling safe and rewarding digital lives for genuine people, everywhere.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | id.meid.me HQ: Mclean, VA, United StatesReported employees: 1,001-5,000 | Mclean, VA, United States | 1,001-5,000 | Exact match | 961 contacts → |
“ID.me is the next-generation digital identity wallet that simplifies how individuals securely prove their identity online.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Sumsubsumsub.link HQ: Limassol, CyprusReported employees: 501-1,000 | Limassol, Cyprus | 501-1,000 | Exact match | 933 contacts → |
“Sumsub is the first AI-powered trust infrastructure for compliance operations at scale.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | IDFYidfy.com HQ: Mumbai, IndiaReported employees: 501-1,000 | Mumbai, India | 501-1,000 | Exact match | 847 contacts → |
“IDfy is building the foundational layer of trust for the modern world, providing the essential infrastructure that global businesses, from digital banks to e-commerce giants, rely…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Unico IDunico.io HQ: Sao Paulo, BrazilReported employees: 501-1,000 | Sao Paulo, Brazil | 501-1,000 | Exact match | 676 contacts → |
“Unico is a global identity network that forges trust between people & companies.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Cfirst Background Checks LLPcfirst.io HQ: Cincinnati, OH, United StatesReported employees: 201-500 | Cincinnati, OH, United States | 201-500 | Exact match | 667 contacts → |
“cFIRST is a digital global background screening service provider headquartered in Cincinnati, Ohio.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Veriffveriff.com HQ: NY, United StatesReported employees: 201-500 | NY, United States | 201-500 | Exact match | 519 contacts → |
“Veriff is the preferred identity verification partner for the world’s biggest and best digital companies, including pioneers in fintech, crypto, gaming and the mobility sectors.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Verifacts Services PVT LTDverifacts.co.in HQ: Bangalore, IndiaReported employees: 501-1,000 | Bangalore, India | 501-1,000 | Exact match | 477 contacts → |
“Empowering Confident Hiring Decisions for 15+ Years Verifacts is India’s trusted background verification partner-delivering accurate, customizable checks across employees…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Informdatainformdata.com HQ: Kennesaw, GA, United StatesReported employees: 1,001-5,000 | Kennesaw, GA, United States | 1,001-5,000 | Exact match | 427 contacts → |
“We connect businesses to verifiable people data so they can reduce risk, move faster, and make confident decisions with clarity and context.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | PROOFproof.com HQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 422 contacts → |
“Proof makes trust possible in a digital world.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | ACSastute.co.in HQ: Pune, IndiaReported employees: 1,001-5,000 | Pune, India | 1,001-5,000 | Exact match | 420 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | IDNOWidnow.io HQ: Munich, GermanyReported employees: 501-1,000 | Munich, Germany | 501-1,000 | Exact match | 415 contacts → |
“IDnow is Europe’s leader in digital identity and fraud prevention with a mission to transform trust into the most powerful asset in the digital world, empowering enterprises with…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | PROVEprove.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 414 contacts → |
“Prove modernizes how digital trust is established and maintained throughout the digital consumer journey, providing unparalleled accuracy in identity verification and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Sterlingbackchecksterlingbackcheck.ca HQ: Toronto, ON, CanadaReported employees: 1,001-5,000 | Toronto, ON, Canada | 1,001-5,000 | Exact match | 408 contacts → |
“Sterling was acquired by First Advantage on October 31st, 2024.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Truliootrulioo.com HQ: Vancouver, BC, CanadaReported employees: 201-500 | Vancouver, BC, Canada | 201-500 | Exact match | 387 contacts → |
“Trulioo is the world’s identity platform, trusted by leading companies for their verification and fraud prevention needs.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Serve Legalservelegal.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 369 contacts → |
“Are you confident in your business’ compliance standards?” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | CAFcaf.io HQ: Venancio Aires, BrazilReported employees: 201-500 | Venancio Aires, Brazil | 201-500 | Exact match | 339 contacts → |
“CAF is a Brazil-based provider of end-to-end identity verification, proofing and authentication solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Vertical Screen, INCverticalscreen.com HQ: Warminster, PA, United KingdomReported employees: 501-1,000 | Warminster, PA, United Kingdom | 501-1,000 | Exact match | 330 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Xactusxactus.com HQ: Broomall, PA, United StatesReported employees: 501-1,000 | Broomall, PA, United States | 501-1,000 | Exact match | 283 contacts → |
“Xactus – a leading fintech specializing in verification solutions for the mortgage and financial services industries – leverages advanced technology and industry expertise to…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,653 company matches
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Verification services: dataset insights
September 21, 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
1,648 records in the displayed employee bands.
5 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 1,653 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 21, 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 ↗
Verification services by location
7 lists · largest firstEvery Verification services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Verification services based in the United States485
- Verification services based in India249
- Verification services based in the United Kingdom102
- Verification services based in Brazil67
- Verification services based in Canada47
- Verification services based in Australia38
- Verification services based in South Africa37
Questions about this company list
What does Exact match mean for verification 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 verification services did RevenueBase find worldwide?
The saved snapshot records 1,653 matching company records, 45,625 tracked contacts and 14,834 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 21, 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 verification services worldwide. Snapshot: September 21, 2026. https://revenuebase.ai/companies/browse/verification-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗