Company lists · Data refreshed September 2026

Top 25 I9 verification services worldwide

RevenueBase identified 278 company matches for i9 verification services worldwide as of September 2026 and tracks 8,638 professional contacts across them, including 2,924 with verified work emails. The United States is the largest market and Noida the largest hub.

This list covers company matches for i9 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 20, 2026. Country and city lists for i9 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built
278Companies
8,638Contacts tracked
2,924Verified emails
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The 25 largest i9 verification services worldwide

Ranked by team size
Top 25 of 278 company matches for i9 verification services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchIrvine, CA, United StatesHQ recorded Sep 20, 20261,001-5,0001,619 contacts →

Exact match

“In a category of inflexible giants and ill-equipped startups, Accurate Background stands alone.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchDubai, United Arab EmiratesHQ recorded Sep 20, 2026501-1,0001,332 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 20, 2026 · View company records in RevenueBase
3Exact matchSt Louis, MO, United StatesHQ recorded Sep 20, 20261,001-5,000774 contacts →

Exact match

“At Equifax we believe knowledge drives progress.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchCincinnati, OH, United StatesHQ recorded Sep 20, 2026201-500667 contacts →

Exact match

“cFIRST is a digital global background screening service provider headquartered in Cincinnati, Ohio.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchBangalore, IndiaHQ recorded Sep 20, 2026501-1,000477 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 20, 2026 · View company records in RevenueBase
6Exact matchToronto, ON, CanadaHQ recorded Sep 20, 20261,001-5,000408 contacts →

Exact match

“Sterling was acquired by First Advantage on October 31st, 2024.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchMeridian, ID, United StatesHQ recorded Sep 20, 202651-200185 contacts →

Exact match

“At Verified First, we believe great companies start with great people.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchGurgaon, IndiaHQ recorded Sep 20, 20261,001-5,000180 contacts →

Exact match

“Parishram Resources Pvt Ltd is a leading Human Resource service provider with its headquarters in Gurgaon, India.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchRedding, CA, United StatesHQ recorded Sep 20, 202651-200147 contacts →

Exact match

“We've moved!”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchCoral Gables, FL, United StatesHQ recorded Sep 20, 2026201-500137 contacts →

Exact match

“Vault Workforce Screening was acquired by Sterling on January 2, 2024.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchBedford, United KingdomHQ recorded Sep 20, 202651-200100 contacts →

Exact match

“At Verifile, we’re committed to helping ensure that every one of your employees is everything they claim to be.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchNoida, IndiaHQ recorded Sep 20, 2026201-50081 contacts →

Exact match

“Crystal Screening Services – Secure Your Workforce with Confidence In today’s fast-moving business environment, hiring the right people isn’t just important-it’s critical.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchDubai, United Arab EmiratesHQ recorded Sep 20, 202651-20068 contacts →

Exact match

“A leading provider of background check and primary source verification services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchBoulder, CO, United StatesHQ recorded Sep 20, 202651-20067 contacts →

Exact match

“WorkBright simplifies I-9 compliance with an audit-ready platform built for accuracy, speed, and ease of use-paired with expert-led services for ongoing compliance.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchSterling, IL, United StatesHQ recorded Sep 20, 202651-20067 contacts →

Exact match

“VeriFacts is a leader in employment verification for the financial industry.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchBengaluru, IndiaHQ recorded Sep 20, 2026201-50067 contacts →

Exact match

“Welcome to Vibrant Screen - Count on us for all your background verification needs.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchBangalore, IndiaHQ recorded Sep 20, 2026501-1,00055 contacts →

Exact match

“Integritas Global Services is a leading Background Verification Company, established in 2017 amidst the burgeoning momentum of the APAC Background Verification market.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchReading, United KingdomHQ recorded Sep 20, 202651-20049 contacts →

Exact match

“We’re TrustID, the UK’s market leader in Right to Work verification and a certified Digital Verification Service (DVS) provider.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchNavi Mumbai, IndiaHQ recorded Sep 20, 202651-20045 contacts →

Exact match

“Founded in 2008, SecureSearch has been helping businesses effectively manage their screening programs for over a decade and has since established itself as the trusted…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchUttar Pradesh, IndiaHQ recorded Sep 20, 202611-5042 contacts →

Exact match

“We are pleased to welcome you to our firm, Verification Street, a dynamic firm that has grown steadily over the past years.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchBengaluru, IndiaHQ recorded Sep 20, 2026201-50041 contacts →

Exact match

“Clobminds - The Ultimate Background Verification Partner Are you looking for a reliable and trustworthy partner to conduct thorough background checks for your potential hires?”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchHong KongHQ recorded Sep 20, 202611-5039 contacts →

Exact match

“CheckMinistry brings over 20 years of collective team industry experience, delivering comprehensive, technology-driven background screening and employee verification solutions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchParis, FranceHQ recorded Sep 20, 202611-5039 contacts →

Exact match

“Fraude, conflit d'intérêts, perte d'agrément, atteinte à la réputation : les risques liés à vos (futurs) collaborateurs sont réels, coûteux, et souvent sous-estimés.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchNew Delhi, IndiaHQ recorded Sep 20, 202651-20036 contacts →

Exact match

“In an era where data is abundant but authenticity is a rare commodity, Pietos stands as the definitive guardian of your organization’s human capital.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchMelbourne, FL, United StatesHQ recorded Sep 20, 202651-20035 contacts →

Exact match

“Edge Information Management, Inc, founded in 1991, is a national provider of numerous employment screening solutions including; criminal background checks, drug screening…”

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

Showing 25 of 278 i9 verification services worldwide

See the full list, filter by size, metro and specialty, and access 2,924 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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I9 verification services worldwide at a glance

As of Sep 20, 2026
33.9%Verified-email coverage
31.1Average contacts per company
11-50Median size (employees)
3.6%Largest-city concentration · Noida
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
96
11-50
117
51-200
44
201-500
13
501-1,000
4
1,001-5,000
4

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 i9 verification services are linked below.
What qualifies
Company records worldwide whose business descriptions match “i9 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 2,924 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

I9 verification services by location

2 lists · largest first

Every I9 verification services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “i9 verification services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many i9 verification services are there worldwide?

RevenueBase identified 278 company matches for i9 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?

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

Which country has the most i9 verification services?

The United States leads with 105 companies, followed by India (78). Every i9 verification services list by country and city is linked on this page.

Which city has the most i9 verification services?

Noida leads with 10 company records, followed by Bengaluru (8) and Mumbai (7).

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 2,924 professional contacts with verified work emails tracked across these 278 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.