Company lists · Data refreshed September 2026

Top 24 IT recruiting companies based in Seattle, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 91 companies tracked

RevenueBase identified 91 IT recruiting companies headquartered in Seattle, United States as of September 2026 and tracks 1,664 professional contacts across them, including 344 with verified work emails. New York is the largest hub.

This list covers IT recruiting companies headquartered in Seattle, United States, 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, how directly it supports the match, and when it was last checked. Data refreshed September 4, 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 HQ checked on every row Match evidence on every row Refreshed Sep 4, 2026 86% judged on-target in blind review

91Companies

1,664Contacts tracked

344Verified emails

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The 24 largest IT recruiting companies based in Seattle, United States

Ranked by team size

Top 24 of 91 IT recruiting companies based in Seattle, United States, ranked by team size, largest first. Data refreshed Sep 4, 2026. Evidence rates how directly each company's own description names IT recruiting companies: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	H10 CapitalIndirect evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	201-500	82
	“H10 is a Consulting and Project Resources firm headquartered in Seattle, WA.” Source: company website · checked Sep 4, 2026
2	Rylem StaffingIndirect evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	51-200	75
	“Since 2007, Rylem Staffing has partnered with organizations to solve one of the most important challenges in business: finding the right people.” Source: company website · checked Sep 4, 2026
3	Prime Team PartnersIndirect evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	51-200	65
	“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…” Source: company website · checked Sep 4, 2026
4	SiimplIndirect evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	11-50	35
	“At Siimpl, we are connecting tenacious and humble talent with the right teams all over the world.” Source: company website · checked Sep 4, 2026
5	FlawlessPartial evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	51-200	31
	“Seattle-based, recruiting nationally and represented in 30 states.” Source: company website · checked Sep 4, 2026
6	Redcley PartnersIndirect evidence	Seattle, United StatesHQ checked Sep 4, 2026	51-200	29
	“We partner with our Clients to support them across their business with staffing and consulting services, full-time employees, and project based solutions.” Source: company website · checked Sep 4, 2026
7	South GeeksIndirect evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	51-200	23
	“Our mission is to power the evolution of leading companies in Fintech and Life Sciences by curating elite engineers from Latin America.” Source: company website · checked Sep 4, 2026
8	Concordis LLCIndirect evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	1-10	16
	“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…” Source: company website · checked Sep 4, 2026
9	Xumerz INCIndirect evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	11-50	14
	“At Xumerz, our success as a business is down to the quality of our people.” Source: company website · checked Sep 4, 2026
10	Quardev, INCIndirect evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	11-50	14
	“At Quardev, we're in the business of fostering relationships.” Source: company website · checked Sep 4, 2026
11	InventsoftIndirect evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	51-200	11
	“InventSoft is a Technology Solutions and Consulting services firm that specializes in Product Development, Consulting Services, and Staffing Services.” Source: company website · checked Sep 4, 2026
12	Eworld SolutionsIndirect evidence	Seattle, United StatesHQ checked Sep 4, 2026	11-50	8
	“Eworld Solutions specializes in providing companies with expert engineers for design and verification.” Source: company website · checked Sep 4, 2026
13	RecruytIndirect evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	1-10	8
	“We find niche talent for some of the most innovative, and mission driven companies in the world.” Source: company website · checked Sep 4, 2026
14	Work In BiotechPartial evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	1-10	8
	“Recruiting agency for R&D professionals at early-stage biotechnology companies.” Source: company website · checked Sep 4, 2026
15	Devselect, LLCIndirect evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	11-50	7
	“DevSelect is a Managerial and Technical consultancy with a long history of process-driven consulting and staffing.” Source: company website · checked Sep 4, 2026
16	Gols INCIndirect evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	11-50	7
	Source: company website · checked Sep 4, 2026
17	Upper OctaveIndirect evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	11-50	6
	“Upper Octave is a blockchain & web developer staffing firm.” Source: company website · checked Sep 4, 2026
18	Emerald TalentPartial evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	11-50	5
	“Emerald Talent is a Tech Recruiting firm specializing in On-Demand, RPO (recruitment process outsourcing), and customized recruiting services.” Source: company website · checked Sep 4, 2026
19	Lincoln BAYIndirect evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	51-200	5
	“Lincoln Bay is a Seattle based professional staffing company that specializes in contract and permanent placement of Informational Technology Professionals.” Source: company website · checked Sep 4, 2026
20	West500 PartnersIndirect evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	1-10	4
	“West500 Partners has been serving emerging startups to Enterprise companies since 2007, delivering consistent results for clients throughout the United States.” Source: company website · checked Sep 4, 2026
21	Highpointe PartnersIndirect evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	1-10	4
	“The only partner you need for talent identification and search.HighPointe Partners is a Talent Advisory Firm.” Source: company website · checked Sep 4, 2026
22	Integra PersonnelIndirect evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	1-10	4
	“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…” Source: company website · checked Sep 4, 2026
23	XternalsourcePartial evidence	Seattle, United StatesHQ checked Sep 4, 2026	1-10	3
	“XternalSource offers Recruiting & Placement and Consulting Services.” Source: company website · checked Sep 4, 2026
24	Noble RecruitingPartial evidence	Seattle, WA, United StatesHQ checked Sep 4, 2026	1-10	2
	“NOBLE Recruiting is a boutique recruiting and consulting group with over 17 years of experience.” Source: company website · checked Sep 4, 2026

Showing 24 of 91 IT recruiting companies based in Seattle, United States

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IT recruiting companies based in Seattle, United States at a glance

As of Sep 4, 2026

1-10Median size (employees)

New YorkLargest hub · 723 HQs

Contacts with mobile numbers

Sep 4, 2026Data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 91 companies.

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 IT recruiting companies, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Seattle, United States whose own description of what they do matches “IT recruiting companies”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among IT recruiting companies, and records with no verified work email. Companies headquartered outside Seattle are excluded even when they keep an office there.
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 an evidence 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, 344 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 4, 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.

IT recruiting companies by metro in the United States

Frequently asked

How many IT recruiting companies are there based in Seattle, United States?

RevenueBase identified 91 IT recruiting companies headquartered in Seattle, United States 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?

H10 Capital, headquartered in Seattle, tops this list with the largest team on record.

Which city has the most IT recruiting companies?

New York leads with 723 headquartered companies, followed by Houston (456) and Austin (361).

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 344 verified decision-maker contacts tracked across these 91 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 4, 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.