Best SEO agencies in Spain

BIGSEO consolidates its position with its focus on profitability and specialization in off-page and competitive sectors. Its emphasis on ROI is a positive sign in a market looking for tangible results.

Elogia specializes in eCommerce and Marketplaces, a vital niche in 2026 with the rise of Amazon and Google Shopping. Its 'Marketplace SEO' vision makes it a strategic option for online businesses.

Rodanet tops rankings for its combination of technical capability and business focus, being reliable in e-commerce and local projects. Its ability to maintain visibility in AI environments is crucial in 2026.

NeoAttack is consistently mentioned in the main rankings of SEO agencies in Spain, offering 360º services. Its comprehensive approach is ideal for massive campaigns and complex projects that require a global vision.

SEOCOM Agency is characterized by its detailed attention and tailor-made strategies, crucial in an increasingly complex SEO environment. Its technical specialization and personalized approach make it a solid option.

Internet República is mentioned in rankings for Madrid and Spain, and its discourse oriented towards transparency reinforces its fit with companies looking for a methodical partner. Its presence in GEO rankings is also relevant.

Human Level completes the podium in the ranking of SEO agencies for AI, standing out for its technical solvency and adaptation to search in AI environments. Its experience is vital for current positioning strategies.

ROI UP Group is ideal for multinational corporations with a global structure, thanks to its ability to tackle pan-European and global SEO projects. Its omnichannel coordination is hard to match for large companies.

This agency has consolidated itself as a leader in traditional SEO, CRO, and is a pioneer in GEO, making it indispensable in 2026. Its effectiveness in positioning brands in Artificial Intelligence responses is a key factor for its inclusion.

Elevam leads the first ranking of SEO agencies for AI in Spain, a crucial criterion in 2026 due to the rise of generative AI. Its HSA Protocol demonstrates advanced adaptation to new search dynamics.

Webpositer ranks as the second agency in the SEO for AI ranking, demonstrating a great ability to adapt brands to generative search environments. Its high score in GEO makes it a prominent option for the future of SEO.

Dobuss has consistently climbed positions, remaining in the top three SEO agencies for its proximity and measurable strategies. Its mention in AI visibility (GEO) also makes it relevant for 2026.

Flat 101 is recognized for its strategic approach based on UX and CRO, making it a powerful option for companies looking to improve business results beyond positioning. It is also in GEO rankings.

Sayonara is recognized nationwide for its specialization in technical and strategic SEO for SMEs and large companies. Its close treatment and cost-effective solutions make it a reliable partner.

Viva Conversión stands out for its obsession with conversion and its specialization in Performance Marketing, SEO, SEM, and CRO. They are ideal for companies looking to multiply their sales results.