Company lists · Data refreshed September 2026

Top 25 Business to business advertising agencies based in Seattle, United States

Name: Business to business advertising agencies based in Seattle, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 23, 2026 269 companies tracked

RevenueBase identified 269 business to business advertising agencies headquartered in Seattle, United States as of September 2026 and tracks 1,571 professional contacts across them, including 361 with verified work emails. New York is the largest hub.

This list covers business to business advertising agencies 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 23, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 RevenueBase Smart Search rating on every row Refreshed Sep 23, 2026 86% judged on-target in blind review

269Companies

1,571Contacts tracked

361Verified emails

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The 25 largest business to business advertising agencies based in Seattle, United States

Ranked by team size

Top 25 of 269 business to business advertising agencies based in Seattle, United States, ranked by team size, largest first. Data refreshed Sep 23, 2026. RevenueBase Smart Search rates how each company's information relates to business to business advertising agencies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	JI Design & Marketing	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	n/a	167 contacts →
	Indirect evidence “JI Design & Marketing is a creative studio specializing in branding, web design, and digital strategy, helping businesses build a cohesive presence and grow with intention.” Source: RevenueBase Database · checked Sep 23, 2026
2	Crown Social Agency	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	11-50	62 contacts →
	Indirect evidence “CROWN is an independent, award-winning, full-service, social-first ad agency based in Seattle, WA.” Source: RevenueBase Database · checked Sep 23, 2026
3	Media Plus	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	11-50	56 contacts →
	Indirect evidence “Media Plus+ is the Pacific Northwest’s largest media planning and buying firm, locally owned and in business since 1983.” Source: RevenueBase Database · checked Sep 23, 2026
4	Copacino Fujikado	Strong evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	51-200	50 contacts →
	Strong evidence “Copacino Fujikado is a Seattle advertising agency founded in 1998.” Source: RevenueBase Database · checked Sep 23, 2026
5	Freemind Seattle	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	11-50	41 contacts →
	Indirect evidence “Freemind Seattle is a full-service marketing strategy and creative solutions agency that helps brands connect, inspire, and grow.” Source: RevenueBase Database · checked Sep 23, 2026
6	Bonsai Media Group	Strong evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	11-50	29 contacts →
	Strong evidence “Bonsai Media Group is a digital advertising agency headquartered in Seattle.” Source: RevenueBase Database · checked Sep 23, 2026
7	Creative House Branding LLC	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	11-50	28 contacts →
	Indirect evidence “Creative House Branding is a branded merchandise and creative services company based in Seattle, WA.” Source: RevenueBase Database · checked Sep 23, 2026
8	Hydrogen Advertising	Strong evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	11-50	25 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 23, 2026
9	ODD DOG Media	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	11-50	23 contacts →
	Indirect evidence “We’re a Seattle-founded marketing agency with established teams in Portland and Salt Lake City, dedicated to serving small and mid-sized businesses.” Source: RevenueBase Database · checked Sep 23, 2026
10	TDW CO	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	11-50	22 contacts →
	Indirect evidence “TDW+Co, previously known as T.D.” Source: RevenueBase Database · checked Sep 23, 2026
11	Firmani Associates INC	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	11-50	19 contacts →
	Indirect evidence “F+A forges and executes innovative communication, marketing and social-media campaigns that change minds, spur commerce and inform key audiences.” Source: RevenueBase Database · checked Sep 23, 2026
12	Goodo Studios	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	1-10	19 contacts →
	Indirect evidence “Helping 7-8 figure brands with hassle-free creative that converts!” Source: RevenueBase Database · checked Sep 23, 2026
13	Actuate Media	Strong evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	1-10	18 contacts →
	Strong evidence “Actuate Media is a results-driven, industry-leading advertising agency known for 100% transparency, performance-driven strategies, and client success.” Source: RevenueBase Database · checked Sep 23, 2026
14	Parsons CO	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	1-10	18 contacts →
	Indirect evidence “From marketing to media relations, strategy to social media, planning to promotions, we bring a unique perspective, uncommon creativity and proven expertise to lifestyle brands.” Source: RevenueBase Database · checked Sep 23, 2026
15	Hunt Marketing Group	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	11-50	17 contacts →
	Indirect evidence “Hunt Marketing Group is a full service direct marketing agency based in Seattle, WA.” Source: RevenueBase Database · checked Sep 23, 2026
16	Encore	Strong evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	1-10	16 contacts →
	Strong evidence “Seamlessly blending the business of advertising with a passion for the arts, Encore provides advertising, publishing, design, and marketing services to arts and culture…” Source: RevenueBase Database · checked Sep 23, 2026
17	Nectr Social	Strong evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	1-10	14 contacts →
	Strong evidence “The advertising landscape has forever changed.” Source: RevenueBase Database · checked Sep 23, 2026
18	Turnstyle	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	11-50	14 contacts →
	Indirect evidence “Born in 2004 We are a full-service creative agency with offices in Seattle and Portland.” Source: RevenueBase Database · checked Sep 23, 2026
19	World Famous	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	1-10	14 contacts →
	Indirect evidence “We're just like an ad agency except without all the complications.” Source: RevenueBase Database · checked Sep 23, 2026
20	Portent	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	11-50	13 contacts →
	Indirect evidence “Since 1995, Portent has been delivering business-changing growth for brands in tech, travel, physical retail, e-commerce, publishing, and more.” Source: RevenueBase Database · checked Sep 23, 2026
21	Alpenglow Digital	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	11-50	12 contacts →
	Indirect evidence “We are a small agency that supports our clients with their sales and marketing activities.” Source: RevenueBase Database · checked Sep 23, 2026
22	Full Speed Advertising	Strong evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	1-10	11 contacts →
	Strong evidence “Full Speed Advertising is a boutique digital marketing agency based in Seattle, WA.” Source: RevenueBase Database · checked Sep 23, 2026
23	Rupert INC	Strong evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	1-10	11 contacts →
	Strong evidence “Rupert is a Seattle advertising agency.” Source: RevenueBase Database · checked Sep 23, 2026
24	Deux Vingt	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	11-50	11 contacts →
	Indirect evidence “Full-Cycle Creative Production Agency” Source: RevenueBase Database · checked Sep 23, 2026
25	Summercamp	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 23, 2026	1-10	9 contacts →
	Indirect evidence “Summercamp is a full-service marketing agency, hell-bent on finding a better way to do things.” Source: RevenueBase Database · checked Sep 23, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: business to business advertising agencies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names business to business advertising agencies.
Partial evidence: Its own public description names part of business to business advertising agencies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name business to business advertising agencies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 269 business to business advertising agencies based in Seattle, United States

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Business to business advertising agencies based in Seattle, United States at a glance

As of Sep 23, 2026

23.0%Verified-email coverage

5.8Average contacts per company

1-10Median size (employees)

712.6%Largest-city concentration · New York

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

202

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 269 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 business to business advertising agencies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, 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 “business to business advertising agencies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names business to business advertising agencies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among business to business advertising agencies, 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 its RevenueBase Smart Search 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, 361 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 23, 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.

Business to business advertising agencies by metro in the United States

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names business to business advertising agencies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many business to business advertising agencies are there based in Seattle, United States?

RevenueBase identified 269 business to business advertising agencies 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?

JI Design & Marketing, headquartered in Seattle, tops this list with the largest team on record.

Which city has the most business to business advertising agencies?

New York leads with 1917 headquartered companies, followed by Los Angeles (1313) and Miami (825).

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 361 verified decision-maker contacts tracked across these 269 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 23, 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 Smart Search, 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.