LAST UPDATED October 24, 2025

Top SEO Firms in Spain

Sort by :
  • OnDesarrollo

    Huelva - Spain

    OnDesarrollo is an agency specializing in the development of websites, applications, social network management, search engine positioning and graphic design located in the city of Huelva. We are a group of young programmers, designers and administrat

  • Tresce

    Barcelona - Spain

    Tresce is an Online Marketing Agency that works to provide business solutions to companies in constant evolution, also in the digital paradigm. We are specialized in; Web Development and Design Content Strategy SEO SEM and Social Advertisi

  • Arimetrics

    Madrid - Spain

    Arimetrics, is a Digital Agency based in Madrid specialized in Measurement, Online Optimization, Digital Marketing and data Strategy. We help our customers increase their profits through a multichannel digital strategy based on a comprehensiv

  • Orbidigital

    Barcelona - Spain

    Digital marketing agency with decided strategic vocation. We accompany our clients to successfully surf the internet. Know us and you will understand why so many companies trust us.

  • Kanvas media

    Madrid - Spain

    Kanvas Media is a data marketing and optimization consultancy firm, specialized in maximizing the performance of our clients\' digital business, always through data optimization and efficient governance. We manage evolutions and predict improvements,

  • Vipnet 360

    Madrid - Spain

    We are an Online Marketing and Customer Experience agency. Since 2005 we have created successful strategies. At Vipnet360 we know what makes you unique and we know how to tell your customers. We are passionate about innovation, new trends a

  • We are dedicated to designing and developing projects on the internet. From web pages, intranets, and microsites, to programming tools for sending electronic newsletters, virtual stores. We also help our clients to be active part in social networks.

  • Estudio 34

    Barcelona - Spain

    eStudio34 is an online marketing agency in Barcelona specialized in internet advertising for companies that are looking for a better search engine positioning or that simply want to better understand online marketing and the possibilities for their b

  • Riverthia

    Málaga - Spain

    In Riverthia we offer internationalization services, online marketing, and web development. Our efforts are aimed at increasing the presence of your company in both the online and offline markets. Riverthia has professionals specialized in services t

  • We are a young and multidisciplinary digital marketing agency. Our developers and web designers are passionate about creating websites, digital marketing solutions and hosting websites that help businesses of all sizes reach their highest potenti

  • 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.