Top 100 SEO Companies in Spain
The Best of March 2026Looking for a top SEO firm in Spain?
Compare top-performing SEO agencies to see which may be the best fit for your business goals. Whether you're seeking to improve your ranking in search engine results pages, boost website traffic, or show up in local search results, investing in SEO is important for business growth.
To assist you in your search for a partner, we’ve compiled this list of the top SEO companies in Spain. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
Jump to Most Reviewed Companies
List of the Best Spain SEO Firms
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$1,000+10 - 49 employeesNew York, NYSEO company NuStream is in New York, New York; Philadelphia, Pennsylvania and Allentown, Pennsylvania. They provide Search Engine Optimization, Web Design, Digital Strategy, and Video Production and were established in 2010.Read More
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91Undisclosed10 - 49 employeesBarcelona, SpainTranslation company Ontranslation is headquartered in Barcelona, Spain. Established in 2010, the team provides Translation and Content Marketing.Read More
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92$1,000+2 - 9 employeesCerdanyola del Vallès, SpainWeb design company MarkeThink is in Cerdanyola del Vallès, Spain. Their services include Web Design and Search Engine Optimization.Read More
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93$1,000+10 - 49 employeesBarcelona, SpainRead More
Flying Cat Marketing, a content marketing and SEO agency, was established in 2020. The firm provides content marketing and search engine optimization and has a small team.
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ActiveCampaignIndustries
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94$5,000+10 - 49 employeesMadrid, SpainInternet Republica is a SEO services firm. Their small team is located in Madrid, Spain and Miami, Florida. Their services include Search Engine Optimization and Web Design.Read More
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95$5,000+10 - 49 employeesMadrid, SpainFlat101 is a small Madrid, Spain-based web design company. The team provides Web Design and Branding.Read More
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96$5,000+10 - 49 employeesMadrid, SpainIOMarketing is a branding company based in Madrid, Spain. They focus on Branding and Search Engine Optimization and were founded in 2009.Read More
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97$5,000+2 - 9 employeesMadrid, SpainYabadabadu, a SEO agency, was founded in 2014. The firm offers Search Engine Optimization and Branding, and is small.Read More
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98$1,000+2 - 9 employeesCollado Villalba, SpainBased in Collado Villalba, Spain, GrowthSEO is a SEO agency and web design agency. Their services include Search Engine Optimization and Web Design.Read More
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99$1,000+2 - 9 employeesEl Puerto de Santa María, SpainSocial media marketing firm and SEO agency South Digital Marketing is in El Puerto de Santa María, Spain. Their services include Social Media Marketing and Search Engine Optimization.Read More
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100$1,000+2 - 9 employeesValència, SpainViralix Agency, a SEO services firm and Content Writing Services company, was founded in 2024. The small team focuses on Search Engine Optimization and Content Writing Services.Read More
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101Undisclosed2 - 9 employeesBarcelona, SpainStudio SEO AI is a SEO agency and Generative AI company. Launched in 2025, their team specializes in Search Engine Optimization and Generative AI.Read More
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102$1,000+2 - 9 employeesMadrid, SpainSEO1 AI is a Digital Strategy and SEO company. The agency is based in Madrid, Spain. Their services include Digital Strategy and Search Engine Optimization.Read More
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103$1,000+2 - 9 employeesElx, SpainBerzerk, a SEO services firm, is in Elx, Spain. Their services include Search Engine Optimization and Pay Per Click.Read More
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104$5,000+2 - 9 employeesMadrid, SpainContent Marketing company Feedback Studios was established in 2018. The small team specializes in Content Marketing and Conversion Optimization.Read More
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105Undisclosed2 - 9 employeesZaragoza, SpainSEO company MARKETING DENTAL CLUB was founded in 2015. Located in Zaragoza, Spain, the team focuses on Search Engine Optimization and Web Design.Read More
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106$1,000+2 - 9 employeesMóstoles, SpainKahuna Digital Agency is a SEO agency. They offer Search Engine Optimization and Pay Per Click and were launched in 2015. The firm is located in Móstoles, Spain.Read More
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107$5,000+10 - 49 employeesMadrid, SpainPopin Group, a Digital Strategy company, was launched in 2007. The team provides Digital Strategy and Search Engine Optimization and is in Madrid, Spain.Read More
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108$5,000+10 - 49 employeesOleiros, SpainIn Oleiros, Spain, Softwhisper is an application development firm. Established in 2010, the team specializes in Mobile App Development and Web Development.Read More
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109$1,000+2 - 9 employeesValencia, SpainFounded in 2016, AgenciaSEO.eu | HRL Marketing y Comunicación, S.L. Is a small SEO company. Their services include Search Engine Optimization and Pay Per Click.Read More
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110$1,000+10 - 49 employeesEls Pallaresos, SpainRead More
Established in 2019, SEO Alive is a SEO services firm. They are headquartered in Els Pallaresos, Spain and have a small team. The agency offers search engine optimization.
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Chess.comIndustries
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111Undisclosed2 - 9 employeesPalma, SpainSmall SEO agency YAGLE (Mallorca): Agencia SEO (SEM, ORM y CRO), is headquartered in Palma, Spain. The team provides Search Engine Optimization.Read More
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112Undisclosed2 - 9 employeesPalma, SpainSEO agency Amplifica | SEO Mallorca | Posicionamiento Web Mallorca was established in 2011. The small team provides Search Engine Optimization.Read More
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113$5,000+10 - 49 employeesMadrid, SpainTop Position - Digital Marketing Agency is a Digital Strategy company. They are in Madrid, Spain. Their team focuses on Digital Strategy and Search Engine Optimization.Read More
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114$1,000+10 - 49 employeesPalma de Mallorca, Balears, SpainMark Site Agency is a PPC agency. Founded in 2009, the team specializes in Pay Per Click and UX/UI Design. The company is located in Palma de Mallorca, Balears, Spain.Read More
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115$5,000+2 - 9 employeesBarcelona, SpainDiligent Agencia, a web design company, offer Web Design and Branding. They were launched in 2015.Read More
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116$5,000+10 - 49 employeesBarcelona, SpainBased in Barcelona, Spain, Axioma&Co. Is a Digital Strategy company. Established in 1999, the team focuses on Digital Strategy and Search Engine Optimization.Read More
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117$1,000+2 - 9 employeesSanta Cruz de Tenerife, SpainSeoLife is a SEO agency. In Santa Cruz de Tenerife, Spain and A Coruña, Spain, their team focuses on Search Engine Optimization and Digital Strategy.Read More
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118$1,000+2 - 9 employeesBilbo, SpainBILBOLINK is a web design agency. The company is located in Bilbo, Spain. Their team offers Web Design and Search Engine Optimization.Read More
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119$25,000+50 - 249 employeesOurense, SpainRedegal is a SEO company established in 2004. The team offers Search Engine Optimization and Web Development.Read More
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120$1,000+2 - 9 employeesMataró, SpainActiva Tu Negocio is a small Mataró, Spain-based Conversion Optimization company. Their services include Conversion Optimization and Digital Strategy.Read More
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Check out a SEO Company in Spain with the most new reviews in the past 12 months.
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