Company lists · Data refreshed September 2026

Top 23 Advertising staffing firms based in Seattle, United States

Name: Advertising staffing 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 60 companies tracked

RevenueBase identified 60 company matches for advertising staffing firms associated with Seattle, United States as of September 2026 and tracks 717 professional contacts across them, including 161 with verified work emails. Across the United States, New York is the largest hub for this category (702 companies); Seattle has 60.

This list covers company matches for advertising staffing 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

60Companies

717Contacts tracked

161Verified emails

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The 23 largest advertising staffing firms based in Seattle, United States

Ranked by team size

Top 23 of 60 company matches for advertising staffing 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	Filter, A 24 Seven Company	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	201-500	107 contacts →
	Exact match “Filter, a 24 Seven company, is your in-house powerhouse.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	Rylem Staffing	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	51-200	74 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 · Sep 27, 2026 · View company records in RevenueBase
3	Sales Talent INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	74 contacts →
	Exact match “1 ranked recruiting firm on G2 and Summer 2026 Grid Leader.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	Copacino Fujikado	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	51-200	50 contacts →
	Exact match “Copacino Fujikado is a Seattle advertising agency founded in 1998.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Siimpl	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	35 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 · Sep 27, 2026 · View company records in RevenueBase
6	Flawless	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	51-200	30 contacts →
	Exact match “Seattle-based, recruiting nationally and represented in 30 states.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	Redcley Partners	Exact match	Seattle, United StatesHQ recorded Sep 27, 2026	51-200	29 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 · Sep 27, 2026 · View company records in RevenueBase
8	Hydrogen Advertising	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	25 contacts →
	Exact match “WHAT WE DO: Inspired by the simplest element in the universe, Hydrogen Advertising harnesses the power of simplicity to help local, regional and international advertising clients…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	West Coast Careers	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	1-10	25 contacts →
	Exact match “We're an award winning recruiting agency serving clients on the West Coast and nationwide.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	C9 Staff	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	51-200	16 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 · Sep 27, 2026 · View company records in RevenueBase
11	Quardev, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	1-10	14 contacts →
	Exact match “Closed Permanently - We are sad to be closing our doors but our hearts remain open.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	Express Employment Professionals Seattle, WA	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	1-10	12 contacts →
	Exact match “Welcome to Express Seattle!” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	AGG	Exact match	Seattle, United StatesHQ recorded Sep 27, 2026	1-10	10 contacts →
	Exact match “AGG is a husband-wife team operating out of West Seattle with over 25 years’ experience in manufacturing recruiting & marketing and offering job seekers professional services such…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	Domer Recruiting Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	1-10	7 contacts →
	Exact match “Every day at Domer Recruiting Group, we help our clients locate and place Impact Players, that 20% of the available workforce that make 80% of the impact on your business.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	West500 Partners	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
16	MW Recruiting	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	11-50	4 contacts →
	Exact match “At MW Recruiting, we unleash business growth by connecting ambitious companies with talented people.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17	Integra Personnel	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	1-10	4 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 · Sep 27, 2026 · View company records in RevenueBase
18	Crescere Executive Search	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	1-10	3 contacts →
	Exact match “We help you find and hire the best talent in consumer goods sales and marketing.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	The HDI Group	Exact match	Seattle, United StatesHQ recorded Sep 27, 2026	11-50	2 contacts →
	Exact match “Hobbs Direct, Inc.(HDI) was founded in 1996 as a marketing partner to the world's leading consumer and enterprise brands.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	Noble Recruiting	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
21	Sunroom Collective	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	1-10	1 contacts →
	Exact match “We’re passionate about fueling creative careers and building world-class teams.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	Velling-&-Associates	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
23	Insight Placement Solutions	Exact match	Seattle, WA, United StatesHQ recorded Sep 27, 2026	1-10	1 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 · 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 “advertising staffing 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 23 of 60 advertising staffing firms based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 161 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Advertising staffing firms based in Seattle, United States at a glance

As of Sep 27, 2026

22.5%Verified-email coverage

11.9Average contacts per company

1-10Median size (employees)

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 60 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 “advertising staffing 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 161 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.

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

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

RevenueBase identified 60 company matches for advertising staffing 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?

Filter, A 24 Seven Company 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 advertising staffing firms?

New York leads the United States with 702 company records, followed by Houston (292) and Los Angeles (290). Seattle has 60.

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 161 professional contacts with verified work emails tracked across these 60 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.