AGENCY LIST

Coseom

San Francisco, California, United States
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International SEO and paid media for B2B demand generation across markets

COSEOM works from Barcelona, San Francisco, and Bangkok on international SEO and B2B growth marketing, operating in English, Spanish, German, Portuguese, and Thai. Founded in 2008, the agency is a Google Partner and runs Google Ads, LinkedIn Ads, and Facebook Ads alongside multilingual SEO and content SEO for organic growth.

Work spans SEO audits, conversion copywriting, landing page development, and WordPress builds, paired with paid social execution and inbound demand generation. The multi-office, multilingual setup supports B2B clients running campaigns across several countries and languages at once.

18
YEARS IN BUSINESS
3
SERVICES

Capabilities

Category

Digital Marketing

Services

What these services involve

Search Engine Optimization
Technical and content improvements that increase organic search visibility.
Social Media Management (SMM)
Ongoing social content planning, publishing, and community management.
Website Optimization
Improvements to speed, UX, SEO foundations, and site performance.

Agency details

Founded
2008 (18 years)

About this agency on Agency List

Coseom holds an Agency List Score of 97 out of 100.

That score is higher than 96% of the 36,920 agencies Agency List has assessed so far.

The Agency List Score measures how well an agency documents its work in public: named clients, quantified outcomes, and whether those outcomes are attributed to the agency rather than to the client.

It does not measure client satisfaction, price, or availability.

How the Agency List Score is measured

Assessment date

Agency List assessed Coseom in September 2026, reading 5 pages published on coseom.com.

The score reflects what Coseom had published by that date; anything published since has not been read.

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