Company lists · Data refreshed September 2026
Top 25 I 9 compliance software companies based in the United States
RevenueBase identified 52 i 9 compliance software companies headquartered in the United States as of September 2026 and tracks 1,468 professional contacts across them, including 796 with verified work emails. Houston is the largest hub.
This list covers i 9 compliance software companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 14, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 i 9 compliance software companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 774 contacts → | ||||
Indirect evidence “At Equifax we believe knowledge drives progress.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 2 | 218 contacts → | ||||
Partial evidence “We bring together essential data, innovative technology, and strategic partnerships to streamline workforce compliance management.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 3 | 71 contacts → | ||||
Partial evidence “OnBlick is a trusted platform for HR and immigration compliance.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 4 | 67 contacts → | ||||
Strong evidence “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.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 5 | 58 contacts → | ||||
Partial evidence “HRlogics helps employers manage HR compliance while capturing workforce savings opportunities that are often missed.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 6 | 33 contacts → | ||||
Partial evidence “VerifyToday provides innovative technology for Payroll and HR teams that automates manual processes such as Form I-9s, secures hiring and location-based tax credits, automates…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 7 | 30 contacts → | ||||
Partial evidence “Identity Verification | Compliance | Fraud Prevention KYC • KYB • AML • Background Checks Building trust in a digital world.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 8 | 13 contacts → | ||||
Partial evidence “PreSearch Backgrounds is a compliance infrastructure company built on over 30 years of background screening expertise.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 9 | 11 contacts → | ||||
Strong evidence “Certemy is a leading provider of Workforce Compliance Management software for companies that employ licensed and certified professionals.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 10 | 10 contacts → | ||||
Strong evidence “ComplianceBridge is on a mission to simplify compliance management through software automation.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 11 | 9 contacts → | ||||
Strong evidence “i9 Intelligence provides seamless digital I-9 and E-Verify compliance solutions, designed to help employers verify employment eligibility and meet complex federal and state…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 12 | 7 contacts → | ||||
Indirect evidence “Are you struggeling to keep up with Federal and Regional requirements for your company?” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 13 | 5 contacts → | ||||
Partial evidence “Lucidoc integrates the lifecycle of documents with the compliance process.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 14 | 5 contacts → | ||||
Strong evidence “Form I-9 Compliance, LLC (Fi9) provides enterprise level Form I-9 Auditing, web based electronic I-9 applications, full integration with the Department of Homeland Security's…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 15 | 5 contacts → | ||||
Partial evidence “Kurrio is Next Gen Compliance for modern companies.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 16 | 4 contacts → | ||||
Partial evidence “LUMA1 transforms workforce compliance into enforceable readiness.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 contacts → | ||||
Partial evidence “Comensure was created by compliance pros for every business user at every level.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Partial evidence “Cyfeon’s suite of compliance products- including the one-stop, integrated Compliance Dashboard- allow clients to automate, access and report end-to-end compliance activities…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 19 | 3 contacts → | ||||
Strong evidence “GryphonHR introduces a better Form I-9 and E-Verify compliance solution to help employers increase compliance and improve onboarding experiences, while increasing efficiency.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Partial evidence “Controlled Efficiencies, LLC specializes in developing compliance solutions designed for companies that have government-regulated business segments including production of raw…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Partial evidence “LaborLess provides electronic Labor Condition Application (LCA) posting, Public Access File (PAF), and PERM Notice of Filing (NOF) compliance management for employers who hire…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Partial evidence “We develop powerful software solutions that eliminate time-consuming tasks and streamline the immigration process for individuals, employers, and attorneys.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Partial evidence “VeloVisa is the immigration compliance platform purpose-built for professional and college sports.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Strong evidence “Information Solutions Team is a nationally respected HR consulting firm known for its expertise in Form I-9 compliance, HRaaS (HR-as-a-Service), and customized HR solutions.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Partial evidence “Managing compliance for your clients shouldn't be a complicated, time-consuming, and costly process.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: i 9 compliance software companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names i 9 compliance software companies.
- Partial evidence
- Its own public description names part of i 9 compliance software companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name i 9 compliance software companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 52 i 9 compliance software companies based in the United States
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I 9 compliance software companies based in the United States at a glance
As of Sep 14, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 52 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among i 9 compliance software companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “i 9 compliance software companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names i 9 compliance software companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among i 9 compliance software companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 796 across the full list. 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 14, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names i 9 compliance software companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many i 9 compliance software companies are there based in the United States?
RevenueBase identified 52 i 9 compliance software companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Equifax Workforce Solutions, headquartered in St Louis, tops this list with the largest team on record.
Which city has the most i 9 compliance software companies?
Houston leads with 5 headquartered companies, followed by Costa Mesa (3) and San Francisco (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 796 verified decision-maker contacts tracked across these 52 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 14, 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 Smart Search, 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.
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