Company lists · Data refreshed October 2026

Top 25 IT contractor agencies based in Seattle, United States

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

Compiled by the RevenueBase Data Team Data refreshed Oct 17, 2026 62 companies tracked

RevenueBase identified 62 company matches for IT contractor agencies associated with Seattle, United States as of October 2026 and tracks 962 professional contacts across them, including 273 with verified work emails. Across the United States, New York is the largest hub for this category (534 companies); Seattle has 62.

This list covers company matches for IT contractor agencies 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 October 17, 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 Oct 17, 2026 How this list was built

62Companies

962Contacts tracked

273Verified emails

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The 25 largest IT contractor agencies based in Seattle, United States

Ranked by team size

Top 25 of 62 company matches for IT contractor agencies based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 17, 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	Jeffreym Consulting	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	201-500	200 contacts →
	Exact match “Founded in 2006, JeffreyM is a trusted staffing supplier solving contingent workforce challenges for small, medium, and fortune 500 companies like Meta, Dropbox, and Microsoft.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
2	TWO Degrees	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	10001+	107 contacts →
	Exact match “LOVE YOUR WORK AND LIFE.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
3	H10 Capital	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	201-500	88 contacts →
	Exact match “H10 is a Consulting and Project Resources firm headquartered in Seattle, WA.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
4	Rylem Staffing	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	51-200	77 contacts →
	Exact match “Since 2007, Rylem Staffing has partnered with organizations to solve one of the most important challenges in business: finding the right people.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
5	Prime Team Partners	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	51-200	70 contacts →
	Exact match “At Prime Team Partners, we leverage our deep industry experience and proprietary AI-powered portal to connect skilled technology professionals with top employers across the United…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
6	Siimpl	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	11-50	36 contacts →
	Exact match “At Siimpl, we are connecting tenacious and humble talent with the right teams all over the world.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
7	Flawless	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	51-200	32 contacts →
	Exact match “Seattle-based, recruiting nationally and represented in 30 states.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
8	Redcley Partners	Exact match	Seattle, United StatesHQ recorded Oct 17, 2026	51-200	30 contacts →
	Exact match “We partner with our Clients to support them across their business with staffing and consulting services, full-time employees, and project based solutions.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
9	Imatch Technical Services	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	51-200	28 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 · Oct 17, 2026 · View company records in RevenueBase
10	Ontarget Staffing INC	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	1-10	22 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
11	Versa Resources	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	51-200	20 contacts →
	Exact match “Who We Are Founded in 2002 and headquartered in Seattle, Versa, a division of Slalom Consulting, is the premier Seattle-based project resource firm that enables our diverse client…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
12	Concordis LLC	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	1-10	20 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 · Oct 17, 2026 · View company records in RevenueBase
13	Myriad Consulting, INC	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	11-50	16 contacts →
	Exact match “Myriad Consulting is a leader in providing global workforce solutions.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
14	Xumerz INC	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	11-50	14 contacts →
	Exact match “At Xumerz, our success as a business is down to the quality of our people.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
15	Express Employment Professionals Seattle, WA	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	1-10	11 contacts →
	Exact match “Welcome to Express Seattle!” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
16	Quardev, INC	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	11-50	11 contacts →
	Exact match “At Quardev, we're in the business of fostering relationships.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
17	Devselect, LLC	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	11-50	7 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 · Oct 17, 2026 · View company records in RevenueBase
18	KEY FIT Connect	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	11-50	6 contacts →
	Exact match “Our team has decades of combined experience staffing construction sites across the U.S.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
19	Lincoln BAY	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	51-200	5 contacts →
	Exact match “Lincoln Bay is a Seattle based professional staffing company that specializes in contract and permanent placement of Informational Technology Professionals.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
20	West500 Partners	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	1-10	4 contacts →
	Exact match “West500 Partners has been serving emerging startups to Enterprise companies since 2007, delivering consistent results for clients throughout the United States.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
21	Hinge LLC	Exact match	Seattle, United StatesHQ recorded Oct 17, 2026	1-10	4 contacts →
	Exact match “Hinge, LLC provides long term temporary staffing, long term temporary to permanent staffing and permanent placement staffing services.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
22	Insight Placement Solutions	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	1-10	2 contacts →
	Exact match “We have a team with over 10 years in the talent placement industry experienced in providing top shelf consultant resources,solving your most challenging business problems.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
23	Integra Personnel	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	1-10	2 contacts →
	Exact match “I help the insurance industry maintain the highest level of professionalism by providing insurance companies with the best possible candidates that are vetted through a unique…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
24	Noble Recruiting	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	1-10	2 contacts →
	Exact match “NOBLE Recruiting is a boutique recruiting and consulting group with over 17 years of experience.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
25	Velling-&-Associates	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	1-10	1 contacts →
	Exact match “Velling & Associates is a boutique staffing firm that understands the demands of the Seattle/Bellevue marketplace.” Recorded in the RevenueBase company graph · Oct 17, 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 contractor agencies”. 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 62 IT contractor agencies based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 273 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT contractor agencies based in Seattle, United States at a glance

As of Oct 17, 2026

28.4%Verified-email coverage

15.5Average contacts per company

11-50Median size (employees)

Oct 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

10001+

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 62 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 contractor agencies” 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 273 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 October 17, 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 contractor agencies 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 contractor agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT contractor agencies are there based in Seattle, United States?

RevenueBase identified 62 company matches for IT contractor agencies associated with Seattle, United States as of October 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?

Jeffreym Consulting 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 contractor agencies?

New York leads the United States with 534 company records, followed by Houston (412) and Dallas (314). Seattle has 62.

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 273 professional contacts with verified work emails tracked across these 62 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 October 17, 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.