Company lists · Data refreshed September 2026

Top 25 Contractor compliance software companies worldwide

RevenueBase identified 1,079 contractor compliance software companies worldwide as of September 2026 and tracks 17,994 professional contacts across them, including 6,503 with verified work emails. The United States is the largest market and London the largest hub.

This list covers contractor compliance software companies worldwide, 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 27, 2026. Country and city lists for contractor compliance software companies follow the table.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
1,079Companies
17,994Contacts tracked
6,503Verified emails
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The 25 largest contractor compliance software companies worldwide

Ranked by team size
Top 25 of 1,079 contractor compliance software companies worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to contractor compliance software companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceNeenah, WI, United StatesHQ checked Sep 27, 20261,001-5,0001,577 contacts →

Indirect evidence

“J.”

Source: RevenueBase Database · checked Sep 27, 2026
2Partial evidenceDallas, TX, United StatesHQ checked Sep 27, 2026501-1,0001,082 contacts →

Partial evidence

“Established in 2001, ISN® is the global leader in contractor and supplier management.”

Source: RevenueBase Database · checked Sep 27, 2026
3Strong evidenceGainesvillle, FL, United StatesHQ checked Sep 27, 2026201-5001,011 contacts →

Strong evidence

“Infotech provides software solutions for construction administration and inspection, secure online bidding, and paperless contracting.”

Source: RevenueBase Database · checked Sep 27, 2026
4Partial evidenceSugar Land, TX, United StatesHQ checked Sep 27, 2026201-500645 contacts →

Partial evidence

“Since 1986, HCSS been developing software to help construction companies streamline their operations.”

Source: RevenueBase Database · checked Sep 27, 2026
5Strong evidenceFairfax, VA, United StatesHQ checked Sep 27, 2026201-500558 contacts →

Strong evidence

“GSA National has been helping government contractors ensure compliance and streamline costs since 1991.”

Source: RevenueBase Database · checked Sep 27, 2026
6Strong evidenceWestminster, CO, United StatesHQ checked Sep 27, 2026201-500530 contacts →

Strong evidence

“KPA is a leading provider of Safety Management and Workforce Compliance software and services for a wide range of businesses.”

Source: RevenueBase Database · checked Sep 27, 2026
7Indirect evidenceCardiff, United KingdomHQ checked Sep 27, 20261,001-5,000453 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 27, 2026
8Partial evidenceThe Woodlands, TX, United StatesHQ checked Sep 27, 2026501-1,000452 contacts →

Partial evidence

“Veriforce combines the world’s largest network of client and contractor relationships with risk management insights that power safer, smarter, and faster operations.”

Source: RevenueBase Database · checked Sep 27, 2026
9Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 27, 202610001+407 contacts →

Partial evidence

“Autodesk makes software for people who design and make our world.”

Source: RevenueBase Database · checked Sep 27, 2026
10Indirect evidenceSydney, AustraliaHQ checked Sep 27, 2026501-1,000296 contacts →

Indirect evidence

“Established in 1998, BCI Central was founded to create efficiencies and enhance transparency in the intrinsically complex construction industry.”

Source: RevenueBase Database · checked Sep 27, 2026
11Strong evidenceTarragona, SpainHQ checked Sep 27, 2026201-500245 contacts →

Strong evidence

“We are leaders in technology and specialized services for contractor management, occupational health and safety, ESG, and compliance.”

Source: RevenueBase Database · checked Sep 27, 2026
12Partial evidenceSan Jose, CA, United StatesHQ checked Sep 27, 202651-200200 contacts →

Partial evidence

“Lumber is the industry’s leading all-in-one construction workforce management platform that streamlines payroll, time tracking, safety, compliance, field productivity, rewards…”

Source: RevenueBase Database · checked Sep 27, 2026
13Strong evidenceLawrenceville, GA, United StatesHQ checked Sep 27, 2026201-500161 contacts →

Strong evidence

“From safety software to stormwater inspections, trust HB NEXT to take the risk out of construction compliance, so you can focus on building.”

Source: RevenueBase Database · checked Sep 27, 2026
14Indirect evidenceBremen, GermanyHQ checked Sep 27, 2026201-500159 contacts →

Indirect evidence

“NEVARIS Bausoftware stands for market-leading solutions that distinguish themselves through user-friendliness and a high degree of specialization.”

Source: RevenueBase Database · checked Sep 27, 2026
15Partial evidenceMelbourne, AustraliaHQ checked Sep 27, 202651-200155 contacts →

Partial evidence

“Built for construction, HammerTech’s safety intelligence software platform was created to improve worker safety and solve site efficiency challenges.”

Source: RevenueBase Database · checked Sep 27, 2026
16Strong evidenceScottsdale, AZ, United StatesHQ checked Sep 27, 202651-200146 contacts →

Strong evidence

“Openforce is the leading compliance, workforce management, and payments platform for contracting companies and independent contractors (IC vendors).”

Source: RevenueBase Database · checked Sep 27, 2026
17Partial evidenceSan Antonio, TX, United StatesHQ checked Sep 27, 202651-200141 contacts →

Partial evidence

“MOCA Systems, Inc.(MSI) was founded in as an outgrowth of MIT research in construction simulation and planning, with a mission to develop and deliver services and software…”

Source: RevenueBase Database · checked Sep 27, 2026
18Indirect evidenceEnglewood, CO, United StatesHQ checked Sep 27, 202651-200115 contacts →

Indirect evidence

“AlignOps is the construction industry's first and most comprehensive operations management platform.”

Source: RevenueBase Database · checked Sep 27, 2026
19Indirect evidenceNivelles, BelgiumHQ checked Sep 27, 202651-200114 contacts →

Indirect evidence

“Découvrez Vertuoza, un logiciel créé avec l’expérience terrain, dédié à formaliser, organiser et optimiser les habitudes professionnelles du secteur du bâtiment.”

Source: RevenueBase Database · checked Sep 27, 2026
20Indirect evidenceEmmeloord, NetherlandsHQ checked Sep 27, 202651-200112 contacts →

Indirect evidence

“Bouwen is complex.”

Source: RevenueBase Database · checked Sep 27, 2026
21Partial evidenceSydney, AustraliaHQ checked Sep 27, 202651-200106 contacts →

Partial evidence

“Leading global companies choose Rapid Global to streamline their compliance and safety processes.”

Source: RevenueBase Database · checked Sep 27, 2026
22Strong evidencePhoenix, AZ, United StatesHQ checked Sep 27, 202651-200103 contacts →

Strong evidence

“B2Gnow is a national leader in software solutions that promote transparency, accountability, and compliance in public and private contracting.”

Source: RevenueBase Database · checked Sep 27, 2026
23Partial evidenceMorden, United KingdomHQ checked Sep 27, 202651-200100 contacts →

Partial evidence

“Veriforce CHAS is the UK’s leading provider of supply chain compliance and risk management solutions.”

Source: RevenueBase Database · checked Sep 27, 2026
24Partial evidenceBoulder, CO, United StatesHQ checked Sep 27, 202651-20094 contacts →

Partial evidence

“Government contractors deserve technology solutions that improve how they serve their federal customers, not get in the way.”

Source: RevenueBase Database · checked Sep 27, 2026
25Indirect evidenceMunich, GermanyHQ checked Sep 27, 202651-20093 contacts →

Indirect evidence

“Capmo is a technology company for the construction industry.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 1,079 contractor compliance software companies worldwide

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Contractor compliance software companies worldwide at a glance

As of Sep 27, 2026
36.1%Verified-email coverage
16.7Average contacts per company
1-10Median size (employees)
2.3%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
611
11-50
344
51-200
85
201-500
20
501-1,000
8
1,001-5,000
5
10001+
2

Email recency is reported on each country list linked below.

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 contractor 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.
Coverage
Every country. Country and city lists for contractor compliance software companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “contractor 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 contractor 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 contractor compliance software companies, and records with no verified work email.
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, 6,503 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 27, 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.

Contractor compliance software companies by location

9 lists · largest first

Every Contractor compliance software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 contractor 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 contractor compliance software companies are there worldwide?

RevenueBase identified 1,079 contractor compliance software companies worldwide 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?

J. J. Keller & Associates, INC, headquartered in Neenah, tops this list with the largest team on record.

Which country has the most contractor compliance software companies?

The United States leads with 266 companies, followed by the United Kingdom (114) and Australia (86). Every contractor compliance software companies list by country and city is linked on this page.

Which city has the most contractor compliance software companies?

London leads with 25 headquartered companies, followed by Sydney (20) and New York (17).

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 6,503 verified decision-maker contacts tracked across these 1,079 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 27, 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.