Top 100 SEO Companies in Spain

The Best of May 2026

Looking for a top SEO firm in Spain?

Compare top-performing SEO agencies to see which may be the best fit for your business goals. Whether you're seeking to improve your ranking in search engine results pages, boost website traffic, or show up in local search results, investing in SEO is important for business growth.

Jump to Most Reviewed Companies

List of the Best Spain SEO Firms

Featured provider

NuStream

(21 Reviews) 5.0

Timeliness

4.7

Service Excellence

4.9

Value

4.9

Would Recommend

5.0

$1,000+

10 - 49 employees

New York, NY

SEO company NuStream is in New York, New York; Philadelphia, Pennsylvania and Allentown, Pennsylvania. They provide Search Engine Optimization, Web Design, Digital Strategy, and Video Production and were established in 2010.

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781

Wunderman Thompson MAP

(0 Reviews)

Not yet reviewed.

Undisclosed

250 - 999 employees

Barcelona, Spain

Wunderman Thompson MAP, a midsize Marketing Strategy company, is headquartered in København, Denmark and Bangkok, Thailand. Their services include Marketing Strategy and Social Media Marketing.
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782

Marketing Media Solutions

(0 Reviews)

Not yet reviewed.

Undisclosed

Freelancer employees

Madrid, Spain

Marketing Media Solutions is a social media marketing agency established in 2003. The team focuses on Social Media Marketing and Email Marketing.
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783

Bogdan Biris

(0 Reviews)

Not yet reviewed.

Undisclosed

Freelancer employees

Arganda del Rey, Spain

Launched in 2019, Bogdan Biris is a small Arganda del Rey, Spain-based Digital Strategy company. Their services include Digital Strategy and Social Media Marketing.
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784

Buenos Aires IT

(0 Reviews)

Not yet reviewed.

Undisclosed

2 - 9 employees

Begues, Spain

Buenos Aires IT is a SEO company. The agency is based in Munro, Argentina and Begues, Spain. Their services include Search Engine Optimization and Web Design.
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