Company lists · Data refreshed September 2026

Top 25 Professional services software companies based in the United States

RevenueBase identified 1,154 company matches for professional services software companies associated with the United States as of September 2026 and tracks 15,382 professional contacts across them, including 5,627 with verified work emails. New York is the largest hub.

This list covers company matches for professional services software companies 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 September 21, 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 Sep 21, 2026 How this list was built
1,154Companies
15,382Contacts tracked
5,627Verified emails
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The 25 largest professional services software companies based in the United States

Ranked by team size
Top 25 of 1,154 company matches for professional services software companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchAustin, TX, United StatesHQ recorded Sep 21, 20261,001-5,000879 contacts →

Exact match

“Certinia is the leading global provider of AI-powered Professional Services Automation (PSA), unifying sales, delivery, finance, and customer success on a single record to act…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Sep 21, 2026201-500739 contacts →

Exact match

“Elite is a leading independent technology company that helps law firms drive profitability through improved operational effectiveness, increased efficiency, and greater visibility…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchDublin, OH, United StatesHQ recorded Sep 21, 2026201-500605 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchDulles, VA, United StatesHQ recorded Sep 21, 2026201-500459 contacts →

Exact match

“Unanet is a leading provider of ERP and CRM solutions purpose-built for Government Contractors, AEC, and Professional Services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchIrvine, CA, United StatesHQ recorded Sep 21, 2026501-1,000405 contacts →

Exact match

“Kantata helps professional services organizations of 50 to employees ensure consistent excellence and profitability across every project.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchRaleigh, NC, United StatesHQ recorded Sep 21, 2026501-1,000402 contacts →

Exact match

“Bringing visibility, value, and simplicity to your everyday operations.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchWest Hollywood, CA, United StatesHQ recorded Sep 21, 2026201-500398 contacts →

Exact match

“Helping architects and engineers run more profitable businesses.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Sep 21, 2026201-500259 contacts →

Exact match

“Rocketlane is a purpose-built customer onboarding and PSA platform that accelerates time-to-value and improves project profitability and predictability.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchHernando, FL, United StatesHQ recorded Sep 21, 2026201-500240 contacts →

Exact match

“NetWeb provides innovative products and reliable professional services to business enterprises around the globe since 1998.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchAustin, TX, United StatesHQ recorded Sep 21, 202651-200195 contacts →

Exact match

“For more than four decades, SurePoint® Technologies has empowered law firms to thrive in a constantly evolving legal landscape.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchYork, PA, United StatesHQ recorded Sep 21, 2026201-500179 contacts →

Exact match

“Stambaugh Ness is a professional services firm serving clients nationally with a singular focus on architecture, engineering, and related industries.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchWest Palm Beach, FL, United StatesHQ recorded Sep 21, 2026201-500168 contacts →

Exact match

“ProfitSolv is a comprehensive suite of billing, payments, and software solutions for legal, accounting, and other professional services firms including consulting, architecture…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchChicago, IL, United StatesHQ recorded Sep 21, 202651-200165 contacts →

Exact match

“Leading a successful professional service firm is an art.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 20265,001-10,000160 contacts →

Exact match

“Born from the merger of Consona and CDC Software, Aptean, gives businesses of all sizes a competitive edge.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchAtlanta, GA, United StatesHQ recorded Sep 21, 2026201-500152 contacts →

Exact match

“Turbocharge your techs, organize your office, save time, and make more money.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchIrvine, CA, United StatesHQ recorded Sep 21, 202651-200133 contacts →

Exact match

“For over 45 years, Blytheco has been the transformation partner of choice for over companies nationwide.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchClaymont, United StatesHQ recorded Sep 21, 202651-200130 contacts →

Exact match

“Productive is an all-in-one platform designed for agencies, consultancies, and professional service businesses.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchFeasterville-trevose, PA, United StatesHQ recorded Sep 21, 202651-200128 contacts →

Exact match

“Acclaim Systems is certified minority small business (SBA 8(a) & GSA) and is a leading software solution company offering a multitude of comprehensive and customized services…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchSan Francisco, CA, United StatesHQ recorded Sep 21, 202651-200115 contacts →

Exact match

“Monograph is a firm management platform that provides A&E firms with clarity into their budgets, projects, time, and clients so their entire team can make smarter decisions.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchLancaster, PA, United StatesHQ recorded Sep 21, 202651-200115 contacts →

Exact match

“RKL eSolutions is comprised of three business units; an IT Services group, a custom development team and a software solutions organization.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchConcord, CA, United StatesHQ recorded Sep 21, 202651-200110 contacts →

Exact match

“D-Tools, Inc.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchRed Bank, NJ, United StatesHQ recorded Sep 21, 202651-200109 contacts →

Exact match

“We Make Your Business Operations Comfortable.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchMt. Zion, IL, United StatesHQ recorded Sep 21, 202651-200107 contacts →

Exact match

“Founded in 1984, Hagerman & Company provides software and professional services for companies in the AEC, Manufacturing and related industries.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchAnaheim, CA, United StatesHQ recorded Sep 21, 202651-200107 contacts →

Exact match

“Softxpert is a global Software Development Company that was originally established with a basic mission to provide for a real need in the market for quality software applications…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchNew York, NY, United StatesHQ recorded Sep 21, 202651-200106 contacts →

Exact match

“IOCOD is a US-based software development company specializing in ERP and CRM systems.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 1,154 professional services software companies based in the United States

See the full list, filter by size, metro and specialty, and access 5,627 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Professional services software companies based in the United States at a glance

As of Sep 21, 2026
36.6%Verified-email coverage
13.3Average contacts per company
1-10Median size (employees)
4.4%Largest-city concentration · New York
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
654
11-50
352
51-200
110
201-500
25
501-1,000
4
1,001-5,000
6
5,001-10,000
1
10001+
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 1,154 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 “professional services software companies” 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 5,627 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.

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 “professional services software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many professional services software companies are there based in the United States?

RevenueBase identified 1,154 company matches for professional services software companies associated with the United States 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?

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

Which city has the most professional services software companies?

New York leads with 51 company records, followed by Austin (27) and Chicago (25).

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 5,627 professional contacts with verified work emails tracked across these 1,154 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.

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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.