Company lists · Data refreshed September 2026

Top 25 Custom software development consulting firms based in the United States

Name: Custom software development consulting firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 24, 2026 19,358 companies tracked

RevenueBase identified 19,358 company matches for custom software development consulting firms associated with the United States as of September 2026 and tracks 388,559 professional contacts across them, including 98,017 with verified work emails and 53,360 with mobile numbers. New York is the largest hub.

This list covers company matches for custom software development consulting firms 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 24, 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 24, 2026 How this list was built

19,358Companies

388,559Contacts tracked

98,017Verified emails

53,360Mobile numbers

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The 25 largest custom software development consulting firms based in the United States

Ranked by team size

Top 25 of 19,358 company matches for custom software development consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 24, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Globallogic	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 24, 2026	10001+	30,977 contacts →
	Exact match “GlobalLogic, a Hitachi Group company, is a trusted partner in design, data, and digital engineering for the world’s largest and most innovative companies.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
2	CDW	Exact match	Vernon Hills, IL, United StatesHQ recorded Sep 24, 2026	10001+	13,155 contacts →
	Exact match “At CDW, we know how to make technology work so people can do great things.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
3	R Systems	Exact match	El Dorado Hills, CA, United StatesHQ recorded Sep 24, 2026	5,001-10,000	7,360 contacts →
	Exact match “RSI is a trusted software engineering and digital transformation services partner to global enterprises navigating technological change.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
4	Epicor	Exact match	Austin, TX, United StatesHQ recorded Sep 24, 2026	1,001-5,000	5,802 contacts →
	Exact match “We’re here for the hard-working businesses that keep the world turning.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
5	Dataart	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	5,001-10,000	5,249 contacts →
	Exact match “DataArt is a global software engineering firm that delivers breakthrough data, analytics, and AI platforms for the world’s most demanding organizations.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
6	Presidio	Exact match	New York, NY, United StatesHQ recorded Sep 24, 2026	1,001-5,000	3,798 contacts →
	Exact match “At Presidio, speed and quality meet technology and innovation.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
7	Iris Software INC	Exact match	Edison, NJ, United StatesHQ recorded Sep 24, 2026	1,001-5,000	3,421 contacts →
	Exact match “Iris Software has been a trusted software engineering partner to several Fortune 500 companies for over three decades.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
8	Chetu, INC	Exact match	Sunrise, FL, United StatesHQ recorded Sep 24, 2026	1,001-5,000	2,943 contacts →
	Exact match “Chetu is your seamless backend technology partner, helping startups, SMBs, and Fortune companies accelerate development of desktop, mobile, and web apps with on-demand developers…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
9	People Tech Group INC	Exact match	Redmond, WA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	2,434 contacts →
	Exact match “People Tech Group is a leading Enterprise Solutions, Digital Transformation, Data Intelligence, and Modern Operation services provider.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
10	CTG	Exact match	Amherst, NY, United StatesHQ recorded Sep 24, 2026	5,001-10,000	2,264 contacts →
	Exact match “CTG, a Cegeka company, is at the forefront of digital transformation, offering innovative IT solutions and services that accelerate your strategy and project momentum.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
11	Techwave	Exact match	Houston, TX, United StatesHQ recorded Sep 24, 2026	1,001-5,000	2,140 contacts →
	Exact match “Techwave is a leading global IT and engineering services and solutions company revolutionizing digital transformation.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
12	Nous Infosystems	Exact match	Edison, NJ, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,926 contacts →
	Exact match “Nous Infosystems is now.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
13	Exadel	Exact match	Walnut Creek, CA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,874 contacts →
	Exact match “Exadel is a leading global software consulting and development company that looks beyond the code to maximize the technology-driven business impact our partners want to make.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
14	Tech Mahindra	Exact match	Streetman, TX, United StatesHQ recorded Sep 24, 2026	n/a	1,860 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
15	Infovision INC	Exact match	Richardson, TX, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,728 contacts →
	Exact match “Infovision, founded in 1995, is a leading global IT services company offering enterprise digital transformation and modernization solutions across business verticals.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
16	Itransition Group	Exact match	Decatur, GA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,664 contacts →
	Exact match “Founded in 1998, Itransition is a global software engineering and IT consulting company with engineers supporting clients across 40 countries.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
17	Quadrant Technologies	Exact match	Redmond, WA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,664 contacts →
	Exact match “Quadrant Technologies: Your Go-to IT Services Partner for a Digital Future For over a decade, Quadrant Technologies has established itself as a trailblazer in the IT services…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
18	10pearls	Exact match	Vienna, VA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,636 contacts →
	Exact match “10Pearls is an AI-native, award-winning global digital engineering partner helping businesses innovate, modernize & accelerate digital transformation As an end-to-end digital…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
19	Leverx	Exact match	Miami, FL, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,632 contacts →
	Exact match “LeverX is an SAP Gold Partner, SAP Global Strategic Supplier, and enterprise solutions provider for businesses worldwide, including companies from the Fortune 500 list.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
20	Improving	Exact match	Plano, TX, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,578 contacts →
	Exact match “Improving is a leading IT professional services firm committed to helping companies achieve lasting success through modern technology.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
21	3pillar	Exact match	Fairfax, VA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,575 contacts →
	Exact match “At 3Pillar, we believe something truly incredible happens at the intersection of product engineering and cognitive computing.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
22	Hughes Systique Corporation HSC	Exact match	Rockville, MD, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,524 contacts →
	Exact match “Hughes Systique Corporation (HSC) is a global digital engineering and transformation partner enabling enterprises to modernize, innovate, and grow through its AI-First approach.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
23	Searce INC	Exact match	Houston, TX, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,511 contacts →
	Exact match “Searce is an AI-native, engineering-led modern tech consultancy that empowers clients to futurify by delivering real business outcomes.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
24	Prolifics	Exact match	Orlando, FL, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,491 contacts →
	Exact match “Prolifics is a global digital engineering and consultancy firm that empowers businesses with end-to-end technology solutions across data, AI, cloud, and digital transformation.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
25	Mobile Programming	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 24, 2026	1,001-5,000	1,462 contacts →
	Exact match “Mobile Programming LLC was started with the mission to provide “Economic as well as Efficient” software solutions.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “custom software development consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 19,358 custom software development consulting firms based in the United States

See the full list, filter by size, metro and specialty, and access 98,017 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Custom software development consulting firms based in the United States at a glance

As of Sep 24, 2026

25.2%Verified-email coverage

13.7%Mobile-number coverage

20.1Average contacts per company

11-50Median size (employees)

6.5%Largest-city concentration · New York

Sep 24, 2026Page data refreshed

Companies by employee count

1-10

13,587

11-50

9,079

51-200

3,838

201-500

868

501-1,000

289

1,001-5,000

148

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 27.0d

72,6360–30

22,47431–60

1,47261–90

6490–180

1,371180+

Company record updated

Median 87.0d

00–30

57,29231–60

171,77761–90

138,08390–180

21,407180+

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 “custom software development consulting firms” 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 98,017 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 24, 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.

Custom software development consulting firms by metro

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 “custom software development consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom software development consulting firms are there based in the United States?

RevenueBase identified 19,358 company matches for custom software development consulting firms 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?

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

Which city has the most custom software development consulting firms?

New York leads with 1252 company records, followed by Austin (678) and Houston (589).

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 98,017 professional contacts with verified work emails tracked across these 19,358 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 24, 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.