LAST UPDATED October 26, 2025

Top SEO Firms in Spain

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  • Bikain Studio

    Bilbao - Bizkaia - Spain

    We are experts on Digital Marketing, SEO Positioning, Web Design and Development, SEM Online Advertising, Offline advertising and marketing campaigns. We are based in Spain and Italy, but we serve customers all over the world.

  • Disko

    Barcelona - Spain

    Created in 2010, DISKO is an independent digital communication consulting agency that implements its know-how in \"Digital Power\" for multiple international accounts, including Nespresso, Bollinger, Diesel, L\'Oreal, Carrefour, Ferrero, Sephora, Jar

  • Ottomarketer

    Madrid - Spain

    ¡Hola! Mi nombre es Otto Duarte. Soy Growth hacker, experto en marketing digital, mi principal tarea es la aceleración de negocios por internet. Me dedico a la consultoría, coaching, formación y servicios de marketing online o mercadeo en interne

  • Humaniza

    Viladecans - Spain

    Somos una empresa de desarrollo web e informática enfocada en ofrecer el mejor servicio posible a nuestros clientes. Nuestros servicios son diseño web, mantenimiento de WordPress, SEO, desarrollo web y servicios de IT para PYMES y autónomos. Estam

  • Rocket Lab is a leading mobile ad-tech company that empowers app marketers to acquire and retain high-quality users through our technology that accelerates growth across the entire customer life cycle focusing on lifetime value. Every Customer has t

  • Inspira

    Barcelona - Spain

    We are a creative agency with three areas of action: Traditional advertising, marketing services and interactive media. We have offices in Spain and Argentina and years working in the business. Services: ▶ Online: Community Management, SEM, SEO, di

  • We are much more than a Web Design and Online Marketing company. Our thing are people, because we know that behind each project is the dream of an entrepreneur of seeing their business grow.   14 years of experience in the sector of new technologies

  • Mario Maruffi

    Barcelona - Spain

    As an independent contractor, I partner closely with enterprise teams to spot opportunities in unmet user needs, co-create better digital products, and scale design capabilities that drive growth. I had the privilege of influencing digital products u

  • Made by Nika

    Guernica - Spain

    We are a full-service creative studio specialising in hands-on consultancy and strategy services as a precursor to exceptional design. Our agile team of thinkers, anthropologists, designers and developers work together on each project from the get-go

  • SEO Firms in Spain

    Choosing an SEO company in Spain isn’t just about finding someone who knows how to boost rankings — it’s about selecting a partner who understands the nuances of Spain’s unique digital environment. At SEMFirms, we’ve compiled a list of agencies that have proven their ability to navigate this landscape with skill and creativity. Our evaluation process looks for firms that can deliver tangible results across Spain’s diverse regions, from the bustling business hubs of Madrid and Barcelona to the growing markets in Valencia and Seville. We carefully examine their previous work to see how they’ve balanced technical SEO improvements with culturally relevant content that connects with Spanish audiences. A key part of our assessment involves verifying that these agencies follow ethical SEO practices, ensuring that the growth they deliver is sustainable and safe from search engine penalties. We also look for adaptability — the ability to shift strategies quickly as search algorithms, consumer trends, and competitive landscapes change. The firms in our list stand out not only for their technical capabilities but also for their dedication to building lasting relationships with clients. These companies tailor plans to your goals and budget so you get clear value. Reports are simple and easy to read, so you always know what’s working. They focus on attracting the right visitors, not just chasing more clicks. Start with a clear plan and adjust as you see results to keep growing.

     

    The SEO service agencies in Spain we recommend have developed a deep understanding of what makes optimization successful in the Spanish market. They know that local SEO isn’t just a technical checklist — it’s a blend of targeted keyword strategies, high-quality content creation, and trust-building with local audiences. Many of these agencies start with thorough research into your competitors, industry trends, and search behaviors specific to Spain. They then implement tailored strategies that might include optimizing your site structure, creating engaging Spanish-language blog content, and building backlinks from well-regarded Spanish publications and industry sites. They also track metrics like organic traffic, bounce rates, and conversion rates to ensure your investment delivers real business value. Beyond just ranking higher, these agencies aim to help your business become a recognized and respected name within your target market. Whether you’re focusing on a single city or targeting customers nationwide, these SEO professionals provide the insights, tools, and dedication needed to keep your brand visible and competitive in Spain’s fast-paced online landscape. With their guidance, you can grow your audience, strengthen your online authority, and achieve sustainable digital success.