State ranking
Five Seattle agencies, suited to local and multi-location businesses, small and mid-sized companies wanting an SEO specialist, and companies wanting SEO with web and app development.
Washington’s economy is led by Seattle’s technology, cloud and eCommerce companies, with aerospace, healthcare, retail and a large base of local service businesses across the state.
The five agencies below are based in Seattle and each suits a different buyer. National firms also serve Washington companies; see our national SEO agencies page.
These criteria apply our general ranking methodology to this category and market.
| Provider | Best for | Focus | Based in |
|---|---|---|---|
| Odd Dog Media | Local and multi-location businesses | Local SEO, Multi-location SEO, Google Ads | Seattle, WA |
| Seattle Organic SEO | Small and mid-sized companies wanting an SEO specialist | SEO, GEO, Local SEO | Seattle, WA |
| Bonsai Media Group | Companies wanting SEO with web and app development | SEO, Web development, eCommerce | Seattle, WA |
| Clarity Online | WordPress businesses wanting SEO and site care together | SEO, Web design, Hosting | Seattle, WA |
| Add3 | eCommerce and retail brands | SEO, SEM, Paid social | Seattle, WA |
Listed by buyer fit, not in order of quality.
Best for Local and multi-location businesses
Seattle-headquartered Odd Dog Media leads with local SEO and offers multi-location SEO, with additional offices in Portland and Utah.
Best for Small and mid-sized companies wanting an SEO specialist
Seattle Organic SEO is an SEO specialist that leads with SEO and generative engine optimization for small and medium-sized companies.
Best for Companies wanting SEO with web and app development
Bonsai Media Group in Seattle lists SEO first and pairs it with web, app and eCommerce development.
Best for WordPress businesses wanting SEO and site care together
Seattle-based Clarity Online leads with SEO and also builds, hosts and maintains WordPress sites for small and mid-sized companies.
Best for eCommerce and retail brands
Seattle-based Add3 offers SEO alongside paid search, paid social and retail media, with dedicated teams for DTC, eCommerce and retail brands.
Local SEO only. See our local SEO buyer’s guide.
National agencies. Compare our national list.
A local agency helps if you serve Washington customers or want in-person meetings. For national search, relevant experience matters more than location.
We looked for Washington-based agencies that list SEO as a core service and suit different buyers, and verified each one’s details on its own website. They are listed by fit, not ranked.
No. Inclusion is editorial. See our advertising disclosure.
State Tennessee
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State Massachusetts
Five Boston agencies, suited to B2B companies, local service businesses, and larger or multi-location brands.
State Arizona
Five East Valley agencies, suited to healthcare and legal businesses, small businesses wanting SEO with content and social, and professional practices and trades.
State Colorado
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State Michigan
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State North Carolina
Five agencies based in Raleigh and Holly Springs, suited to law firms, B2B and technology companies, and businesses wanting an established organic search team.