Company lists · Data refreshed November 2026

Top 25 Documentation and verification services based in the United States

RevenueBase identified 123 company matches for documentation and verification services associated with the United States as of November 2026 and tracks 2,762 professional contacts across them, including 576 with verified work emails. Austin is the largest hub.

This list covers company matches for documentation and verification services associated with the United States, 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.

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 Nov 6, 2026 How this list was built
123Companies
2,762Contacts tracked
576Verified emails
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The 25 largest documentation and verification services based in the United States

Ranked by team size
Top 25 of 123 company matches for documentation and verification services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchLoma Linda, NY, United StatesHQ recorded Nov 6, 2026201-500243 contacts →

Exact match

“ABI is a nationwide provider of record retrieval services and technology for the legal and insurance industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAlpharetta, GA, United StatesHQ recorded Nov 6, 2026501-1,000209 contacts →

Exact match

“In April 2023, ScanSTAT was acquired by Verisma to create a new market leader.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 202611-50141 contacts →

Exact match

“TrendSource helps businesses document and measure compliance across employment, consumer reporting, government, finance, health care, and retail.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchIrvine, CA, United StatesHQ recorded Nov 6, 202651-200130 contacts →

Exact match

“Veri-Tax is the largest ‘pure play’ national verification specialist that is sharply focused on verification services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAnaheim, CA, United StatesHQ recorded Nov 6, 202651-200130 contacts →

Exact match

“Datafied is a leading document retrieval and data management established in 1993.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchEl Segundo, CA, United StatesHQ recorded Nov 6, 20261,001-5,000112 contacts →

Exact match

“Yes, transcription is still a thing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026201-500111 contacts →

Exact match

“Medical Research Consultants (MRC) specializes in Record Retrieval & Management, Nurse Audits & Analysis, and Regulatory Compliance services to Legal, Pharmaceutical, Healthcare &…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchRemote First, United StatesHQ recorded Nov 6, 202651-200102 contacts →

Exact match

“Argyle is the leading provider of direct-source, consumer-permissioned income, employment, and asset verifications, making it fast and easy to gain secure and reliable access to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBrentwood, TN, United StatesHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“QC Verify (formerly QMS) is a well-established leader and outsource provider of audits, QC software, verification solutions and fulfillment processes to mortgage lenders, banking…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchJacksonville, FL, United StatesHQ recorded Nov 6, 202651-20056 contacts →

Exact match

“MDabstract is a virtual data migration, documentation management and credentialing verification managed service.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMill Valley, CA, United StatesHQ recorded Nov 6, 202651-20052 contacts →

Exact match

“OneNotary is the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchGrand Rapids, IL, United StatesHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“LCS Record Retrieval (Legal Copy Services, Inc.) provides fast and cost-effective solutions for your record retrieval needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchGrand Rapids, FL, United StatesHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“Compliance Systems LLC leads the market in providing dynamic compliance documentation and technology to effectively document deposit, IRA, and loan transactions in the financial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPikesville, MD, United StatesHQ recorded Nov 6, 2026201-50036 contacts →

Exact match

“Lumelight brings together the expertise, capabilities, and people behind seven legacy brands: Benefit Comply, BMI Audit Services, ClearFile, Consova, CXC Solutions, Healthcare…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchNewtown Square, PA, United StatesHQ recorded Nov 6, 202651-20031 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchEvergreen, CO, United StatesHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“Advanced Data is a leading service provider in the mortgage industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHammonton, NJ, United StatesHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“National Credit-reporting System, Inc.(NCS) is a trusted leader in information services, specializing in comprehensive income verification and employment data solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBayside, NY, United StatesHQ recorded Nov 6, 2026201-50026 contacts →

Exact match

“Complete Care Management provides easy solutions to medical documentation issues for providers of long term care.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchRocky Mount, NC, United StatesHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“We Deliver Confidence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLas Vegas, NV, United StatesHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Kalidad Consulting has been a trusted partner for U.S-based home health agencies since 2021, providing meticulous documentation review services, including Plan of Care, Visit…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchOrange, CA, United StatesHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“KCB Credit has one simple philosophy, have the best customer service and technology in the verification industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchOlympia, WA, United StatesHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“At CORPSMART™ we specialize in the search, filing and retrieval of public records in the United States and abroad.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchChattanooga, TN, United StatesHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“nCred provides outsourced business services to the healthcare industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchRedwood City, CA, United StatesHQ recorded Nov 6, 202611-506 contacts →

Exact match

“A pioneer in the business, the Drivers License Guide Company is the leading provider of trusted ID and drivers license verification products for domestic and international…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Acupixel (CSSN, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 123 documentation and verification services based in the United States

See the full list, filter by size, metro and specialty, and access 576 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Documentation and verification services based in the United States at a glance

As of Nov 6, 2026
20.9%Verified-email coverage
22.5Average contacts per company
1-10Median size (employees)
2.4%Largest-city concentration · Austin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
62
11-50
34
51-200
19
201-500
6
501-1,000
1
1,001-5,000
1

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 123 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “documentation and 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 576 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.

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 “documentation and verification services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many documentation and verification services are there based in the United States?

RevenueBase identified 123 company matches for documentation and verification services associated with the United States 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?

ABI Document Support Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most documentation and verification services?

Austin leads with 3 company records, followed by Charlotte (3) and Houston (3).

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 576 professional contacts with verified work emails tracked across these 123 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 123 documentation and verification services based in the United States. 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.