LAST UPDATED October 24, 2025

Top SEO Firms in Spain

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  • SIDN

    Granada - Spain

    SIDN is a digital marketing agency founded in 2002, which offers SEO positioning services, online reputation, customer service, etc. Nominated for the 4th consecutive year as the Best Digital Marketing Agency in Europe. We currently have offic

  • Zuzumba

    Madrid - Spain

    We are a team of professionals specialized in converting your sales visits. We offer solutions focused on capturing new customers and improving the image of your company. As simple as that. Zuzumba is an online marketing agency specializing in

  • Go2jump

    Barcelona - Spain

    GO2JUMP is a digital marketing agency based in Barcelona, ​​certified as a Google Partner and specialized in the Tourism, services, education and health sectors.

  • COSEOM

    Barcelona - Spain

    We\'re a dynamic and experienced team of professionals working for the success of our clients. We care about your multilingual SEO and SEM campaigns, affiliate programs and your activities in social networks. Our goal is to achieve your goals

  • Seogea

    Madrid - Spain

    Digital marketing agency awarded for excellence in its work, based in Madrid and Granada since 2010. Specialized in search marketing, UX web development and content marketing.

  • Netamin

    Barcelona - Spain

    Netamin is a digital communication and content marketing agency that opens new growth opportunities for SMEs by directly working with content and technology and applying its value in the digital environment. We give a practical sense to the mission o

  • Roca Salvatella

    Sant Cugat del Vallès - Spain

    Roca Salvatella is a strategic consulting service specialized in the digital transformation of business. It provides services to large companies in multiple business sectors, accompanying their executives when facing the challenges of digitization.

  • UpToBe is a marketing agency in Madrid specializing in digital marketing. It was born of the union of two professionals who have dedicated their entire career to the sector and decided to create a concept of a different digital marketing agency, whic

  • darwin social noise

    Calle de San Mateo - Spain

    From our offices in Madrid and Mexico we help our clients to manage their brands and their campaigns with our assistance throughout the entire sales funnel, from awareness through conversion, with creative and aesthetical sensitiveness, but also with

  • Adesis Netlife

    Madrid - Spain

    Adesis Netlife is a company belonging to the GFT group. Their extensive experience in the sector of consultancy and strategy in the network and the almost 600 projects carried out for the main companies throughout the country, endorse their trajector

  • 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.