Company lists · Data refreshed November 2026

Top 25 Search engine optimization marketing agencies based in Seattle, United States

Name: Search engine optimization marketing agencies 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 161 companies tracked

RevenueBase identified 161 company matches for search engine optimization marketing agencies associated with Seattle, United States as of November 2026 and tracks 911 professional contacts across them, including 254 with verified work emails. Across the United States, New York is the largest hub for this category (850 companies); Seattle has 161.

This list covers company matches for search engine optimization marketing 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 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

161Companies

911Contacts tracked

254Verified emails

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The 25 largest search engine optimization marketing agencies based in Seattle, United States

Ranked by team size

Top 25 of 161 company matches for search engine optimization marketing agencies 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	Seomoz	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	51-200	107 contacts →
	Exact match “SEOmoz is the world’s most popular provider of SEO software.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	compose.ly	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	105 contacts →
	Exact match “Compose.ly is a content marketing and seo agency that helps brands like WebMD, Calendly, Money.com, TED, and Get Your Guide turn organic content into measurable growth across…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Add3	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	51-200	50 contacts →
	Exact match “Add3 is a digital agency that delivers integrated digital marketing campaigns across paid search, SEO, social & display advertising, helping our clients reach their marketing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Voglio Marketing	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	38 contacts →
	Exact match “VOGLIO Digital Marketing is a performance marketing agency that helps businesses maximize their ROI through best-in-class data integration and rigorous execution.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Mockingbird Marketing	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	30 contacts →
	Exact match “Mockingbird provides data-driven solutions to help solo attorneys and multi-state law firms create, measure and refine all aspects of their digital marketing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	prerender.io	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	27 contacts →
	Exact match “Your website was built for humans.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Content Distribution Corp	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	25 contacts →
	Exact match “We help VC backed startups leverage SEO to build massive audiences that convert into users and customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Orca Pacific A Monks Company	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	201-500	18 contacts →
	Exact match “We’re a team of former Amazonians and top industry experts who work from within Amazon’s backyard.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Sellerslice	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	18 contacts →
	Exact match “Founded by two Amazon marketing experts with a combined 50 years of eCommerce experience, our goal is to provide a holistic Amazon marketing approach at a cost effective rate.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Logic Inbound	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	17 contacts →
	Exact match “Logic Inbound identifies and executes on growth opportunities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Nectr Social	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	17 contacts →
	Exact match “The advertising landscape has forever changed.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Marketeering Group	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	17 contacts →
	Exact match “Marketeering Group is the digital marketing agency delivering flexible solutions to complex problems with strategic and impact-driven SEO implementation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Realdrseattle	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	16 contacts →
	Exact match “Founded by medical experts, our multidisciplinary approach to medical marketing has proven so effective, our strategies have been adopted to an array of industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Fujisan Marketing	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	14 contacts →
	Exact match “We help businesses achieve their desired results by creating fully transparent, customized digital marketing strategies and tactics.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Seoarmy	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	14 contacts →
	Exact match “SEOArmy is a leading provider of scalable SEO services, helping agencies and businesses access expert-level SEO and content-driven growth at competitive rates.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Full Speed Advertising	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	12 contacts →
	Exact match “Full Speed Advertising is a boutique digital marketing agency based in Seattle, WA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Portent	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	9 contacts →
	Exact match “Since 1995, Portent has been delivering business-changing growth for brands in tech, travel, physical retail, e-commerce, publishing, and more.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Bizango	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	8 contacts →
	Exact match “We're a full-service web design and online marketing agency dedicated to serving businesses, bestselling authors, startups and e-commerce.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Cxglobals	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	8 contacts →
	Exact match “Full-service offerings to assess digital capability while providing comprehensive BI and Analytics with Channel focus expertise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Clarity Online SEO	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	6 contacts →
	Exact match “Seattle's SEO Agency” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Double Z Media	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	6 contacts →
	Exact match “Your organization has big goals you are expected to hit but when it comes to truly knowing whether you're effective you end up with the following: Not enough time internally to do…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Hvac Grow	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	5 contacts →
	Exact match “HVAC Grow are experts in marketing for heating, ventilation and air conditioning businesses across the United States and Canada.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Search Impact Consulting	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	4 contacts →
	Exact match “How does search impact you?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	bookcleaningjobs.com	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	4 contacts →
	Exact match “BookCleaningJobs.com is a digital marketing agency for carpet cleaners.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Search To Sale Driving Revenue From SEO & GEO	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	4 contacts →
	Exact match “Generative AI has given marketers powerful new capabilities, but it has also injected a lot of noise and uncertainty into content.” 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 “search engine optimization marketing 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 161 search engine optimization marketing agencies based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 254 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Search engine optimization marketing agencies based in Seattle, United States at a glance

As of Nov 6, 2026

27.9%Verified-email coverage

5.7Average contacts per company

1-10Median size (employees)

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

118

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 161 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 “search engine optimization marketing 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 254 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.

Search engine optimization marketing 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 “search engine optimization marketing agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many search engine optimization marketing agencies are there based in Seattle, United States?

RevenueBase identified 161 company matches for search engine optimization marketing agencies 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?

Seomoz 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 search engine optimization marketing agencies?

New York leads the United States with 850 company records, followed by Los Angeles (508) and Miami (429). Seattle has 161.

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