Company lists · Data refreshed September 2026

Top 25 IT services firms based in Seattle, United States

Name: IT services firms based in Seattle, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 123 companies tracked

RevenueBase identified 123 company matches for IT services firms associated with Seattle, United States as of September 2026 and tracks 818 professional contacts across them, including 245 with verified work emails. Across the United States, New York is the largest hub for this category (725 companies); Seattle has 123.

This list covers company matches for IT services firms associated with Seattle, 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 27, 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 27, 2026 How this list was built

123Companies

818Contacts tracked

245Verified emails

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The 25 largest IT services firms based in Seattle, United States

Ranked by team size

Top 25 of 123 company matches for IT services firms based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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	Cogentsoft Systems	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	51-200	61 contacts →
	Exact match “CogentSoft, we provide consulting, technology and business process outsourcing solutions to organizations.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	Seitel Systems, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	45 contacts →
	Exact match “We provide network, server, desktop, and cloud services that include system design, implementation, and support.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3	Kuelap, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	51-200	39 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	Greene IS	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	35 contacts →
	Exact match “Full service Information Technology Consulting and Outsourcing for Your Business Greene IS specializes in providing comprehensive computer networking solutions to the small and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Turnpoint	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	29 contacts →
	Exact match “Our company is a boutique IT consulting firm providing high-level IT consulting, outsourced IT management, and help desk services to small- and medium-sized businesses in the…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	Imatch Technical Services	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	51-200	26 contacts →
	Exact match “At iMatch we do not believe in the 'everything to everyone' philosophy but rather specialize in our local market as a niche provider.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	Maxwell IT	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	26 contacts →
	Exact match “Maxwell IT provides 24/7 outsourced IT services to clinics and hospitals.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	Dynamic Computing	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	24 contacts →
	Exact match “Dynamic Computing helps companies and organizations in Seattle and across the Puget Sound region achieve their goals through technology.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	Fusion Technologies	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	23 contacts →
	Exact match “Fusion Technologies is a growing IT consulting, managed service provider.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	Sentry Computing	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	22 contacts →
	Exact match “Sentry Computing builds smart IT solutions that keep your day-to-day operations running smoothly.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	EXP Technical, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	19 contacts →
	Exact match “Founded in 2003, EXP makes people’s lives easier and more productive, through collaborative relationships with our clients and community We can provide a complete outsourced IT…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	Olive Goose	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	16 contacts →
	Exact match “Olive + Goose is an agile, quality-focused company, trusted by small and large businesses alike.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	Concordis LLC	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	1-10	16 contacts →
	Exact match “The Leader in Transparent Consulting, Managed Services, and Staffing for Your Business and Technology Needs Concordis is a business and technology consulting and staffing company…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	CG Tech Services	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	1-10	15 contacts →
	Exact match “Need reliable tech solutions that help your business thrive?” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	Camber Consulting LLC	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	13 contacts →
	Exact match “Camber Consulting LLC was founded in 2011 with the goal of providing specialized finance, accounting, and IT project management services to clients in the Pacific Northwest and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16	DPE Systems	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	12 contacts →
	Exact match “DPE Systems, Inc.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17	Executech Seattle	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	201-500	11 contacts →
	Exact match “Executech is an award-winning, managed IT services provider.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	Cmit Solutions Of Seattle Downtown	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	10 contacts →
	Exact match “We offer computer and IT support for a flat-fee, with round-the-clock maintenance and monitoring.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	Black Label IT	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	10 contacts →
	Exact match “We help our clients unleash the power of their network and stop settling for substandard productivity.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	Progressive Tech	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	8 contacts →
	Exact match “Seattle's Highest Rated Tech Support!” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21	Devselect, LLC	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	8 contacts →
	Exact match “DevSelect is a Managerial and Technical consultancy with a long history of process-driven consulting and staffing.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	Fostec	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	1-10	8 contacts →
	Exact match “Founded in 1998, Fostec is a client-focused Information Technology consulting firm that designs solutions and provides technical expertise to small and mid-sized businesses…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23	Yavar IT Solutions And Services	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	7 contacts →
	Exact match “Yavar offers Information Technology (IT) services and support to small–medium sized businesses.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	UP Time Technology	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	6 contacts →
	Exact match “Serving Seattle since 1983 - IT Support for Small Businesses, Contract Only Up Time has been serving small businesses for decades - always growing with technology and helping our…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	Snaps Technology	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	6 contacts →
	Exact match “About Us: Snaps Technologies Limited is an emerging software technology service company.” Recorded in the RevenueBase company graph · Sep 27, 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 “IT services 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 123 IT services firms based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 245 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT services firms based in Seattle, United States at a glance

As of Sep 27, 2026

30.0%Verified-email coverage

6.7Average contacts per company

1-10Median size (employees)

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, 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 Seattle, United States whose business descriptions match “IT services 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 245 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 27, 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.

IT services firms by metro in the United States

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

How many IT services firms are there based in Seattle, United States?

RevenueBase identified 123 company matches for IT services firms associated with Seattle, 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?

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

Which city in the United States has the most IT services firms?

New York leads the United States with 725 company records, followed by Houston (469) and Dallas (340). Seattle has 123.

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 245 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 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 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.