Company lists · Data refreshed November 2026

Top 24 Staffing services based in Seattle, United States

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 133 companies tracked

RevenueBase identified 133 company matches for staffing services associated with Seattle, United States as of November 2026 and tracks 3,822 professional contacts across them, including 677 with verified work emails. Across the United States, New York is the largest hub for this category (1,031 companies); Seattle has 133.

This list covers company matches for staffing services 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 November 6, 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 Nov 6, 2026 How this list was built

133Companies

3,822Contacts tracked

677Verified emails

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The 24 largest staffing services based in Seattle, United States

Ranked by team size

Top 24 of 133 company matches for staffing services based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	RO Health	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	201-500	1,143 contacts →
	Exact match “Ro Health is a rapidly growing healthcare staffing agency with over a decade of experience aligning compassionate and talented providers with incredible career opportunities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Scalableos	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	501-1,000	232 contacts →
	Exact match “ScalableOS is a premium offshore staffing partner offering custom solutions for MSPs and Tax & Accounting firms.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	A Nanny For U	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	n/a	176 contacts →
	Exact match “A Nanny for U is Seattle's Premier Nanny Staffing Agency, voted Seattle's Best Nanny Service FOUR years in a row by Parent Map readers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	TWO Degrees	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	10001+	109 contacts →
	Exact match “LOVE YOUR WORK AND LIFE.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	H10 Capital	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	201-500	90 contacts →
	Exact match “H10 is a Managed Services company headquartered in Seattle, WA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Sales Talent INC	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	82 contacts →
	Exact match “1 ranked recruiting firm on G2 and Summer 2026 Grid Leader.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Rylem Staffing	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	51-200	80 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 · Nov 6, 2026 · View company records in RevenueBase
8	Trades Labor Corporation	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	51-200	70 contacts →
	Exact match “Trades Labor Corporation is the only owner-operated staffing source providing high quality blue-collar workers on a weekly or daily basis serving the greater Puget Sound area.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Harvard Partners Health Nurseboard	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	501-1,000	43 contacts →
	Exact match “Harvard Partners Health is a premier healthcare staffing agency dedicated to a single mission: empowering healthcare facilities with reliable, high-quality clinicians to improve…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Siimpl	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	38 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 · Nov 6, 2026 · View company records in RevenueBase
11	Molly Brown Temps	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	n/a	36 contacts →
	Exact match “Offering temporary, temp-to-hire, and direct hire services for candidates and companies in the Greater Seattle area.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Flawless	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	51-200	32 contacts →
	Exact match “Seattle-based, recruiting nationally and represented in 30 states.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Redcley Partners	Exact match	Seattle, United StatesHQ recorded Nov 6, 2026	51-200	28 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 · Nov 6, 2026 · View company records in RevenueBase
14	Imatch Technical Services	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
15	West Coast Careers	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	26 contacts →
	Exact match “We're an award winning recruiting agency serving clients on the West Coast and nationwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	South Geeks	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	51-200	23 contacts →
	Exact match “Our mission is to power the evolution of leading companies in Fintech and Life Sciences by curating elite engineers from Latin America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Ontarget Staffing INC	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	23 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Trace Behavior Support	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	23 contacts →
	Exact match “Since 1997, we have provided skilled, caring, and professional behavior specialists to children that require specialized one-to-one care.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Concordis LLC	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
20	Annie's Nannies, INC	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	19 contacts →
	Exact match “Since 1984, Annie's Nannies has been providing exceptional service to Pacific Northwest families.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	C9 Staff	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	51-200	18 contacts →
	Exact match “Book a FREE consultation today: https://bit.ly/C9FreeConsultation C9 Staff is your growth partner in expanding your agency’s staff capabilities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Myriad Consulting, INC	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	16 contacts →
	Exact match “Myriad Consulting is a leader in providing global workforce solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Rainier Recruiting	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	14 contacts →
	Exact match “Rainier Recruiting is a small, tactical team of senior recruiters with 40+ years of experience and thousands of clients served.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Quardev, INC	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	13 contacts →
	Exact match “At Quardev, we're in the business of fostering relationships.” Recorded in the RevenueBase company graph · Nov 6, 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 “staffing services”. 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 24 of 133 staffing services based in Seattle, United States

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Staffing services based in Seattle, United States at a glance

As of Nov 6, 2026

17.7%Verified-email coverage

28.7Average contacts per company

1-10Median size (employees)

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 133 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 “staffing services” 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 677 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 November 6, 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.

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

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

RevenueBase identified 133 company matches for staffing services associated with Seattle, United States as of November 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?

RO Health 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 staffing services?

New York leads the United States with 1,031 company records, followed by Houston (703) and Atlanta (517). Seattle has 133.

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 677 professional contacts with verified work emails tracked across these 133 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 November 6, 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.