LAST UPDATED October 28, 2025

Top SEO Firms in Spain

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  • Stratesys

    Madrid - Spain

    20 years implementing over 1.000 projects and developing business and technology solutions, have made Stratesys into a leading multinational company in IT services and one of the leading specialists in SAP technology. With international projects impl

  • PROMETEO Innovations was founded in Spain in 2007. The company\'s focus is summarized in the application of three parameters: Engineering, Innovation and Technology. They pursue the objective of offering a service, to provide value  to their clients

  • Akting

    San Sebastián - Spain

    AKTING is a company whose mission is to put technology at the service of society by offering a wide range of services tailored to different market sectors. Located in San Sebastián, the team studies and advises the process of searching for new techn

  • QUADRAM

    Madrid - Spain

    We build the complete production of any digital product you can imagine. Design and development of custom mobile solutions for Enterprises. WE WORK WITH CLIENTS TO BUILD AND CARE INNOVATIVE SOLUTIONS, HELPING THEIR BUSINESSES BECOME A POWERFUL VALUE

  • Atlantida

    Madrid - Spain

    Atlántida was born in 1993, evolving exponentially both in the personnel incorporated to the company, and in the coverage of services that we offer our clients. We consolidated year after year our growth in clients and projects obtaining important a

  • Zuk

    - Spain

    ZUK is a web design, online marketing, graphic design and corporate image studio located in Barcelona and Lleida. It is formed by a team of designers and programmers, internal and external, with extensive experience in the sector. In ZUK we cover all

  • Moio

    Santa Cruz de Tenerife - Spain

    There are no magic formulas, it\'s a matter of work and an efficient methodology. In Moio we work on each project following a specific strategy, which can be validated through objective data, the rest is just opinions. Whether you\'re a big company o

  • Implementing the latest Internet technology and tools; we create, for you, custom made, visually engaging websites and mobile apps. By ensuring that all the websites we design are 100% user-friendly on all devices, easily navigable and SEO friendly,

  • 8Pecados

    Málaga - Spain

    We\'re different! Many clients and friends ask us why the name 8 SINS ... is the team composed of 8 sinners? We are a little sinners, we recognize it, but we commit small sins and confessable. 8PECADOS emerges after years in the marketing and adverti

  • Weeduu

    Cordoba - Spain

    Weeduu  is more than a digital marketing agency , it is a modern company, leading in programming, online communication, design and web positioning that arises from integrating a technology consultancy and a digital marketing agency. We have helped m

  • 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.