Top 100 JavaScript Development Companies in Spain
The Best of July 2026Looking for a top JavaScript developer in Spain?
If you're hiring a JavaScript developer to help you build or update a website that's responsive and interactive, consider the pros and cons of JavaScript as a programming language. Advantages include its speed because it's executed on the client-side; reduction in server load; and diverse functionality. Disadvantages to consider include security such as bugs on the client-side.
To assist you in your search for a partner, we’ve compiled this list of the top JavaScript development agencies in Spain. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Spain JavaScript Developers
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121Undisclosed2 - 9 employeesPalma, SpainLaunched in 2017, Wozzo is a small Palma, Spain-based web design company. Their services include Web Design and Custom Software Development.Read More
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122$10,000+10 - 49 employeesMadrid, SpainHeadquartered in Sofia, Bulgaria; London, England; München, Germany and New York, New York, ExpandX Marketing & Web is a web development company. The small firm was established in 2015. Their services include Web Development, Social Media Marketing, Pay Per Click, E-Commerce Development, and more.Read More
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High Touch Investment Corp Inc (USA) Assent Inc (Canada and USA) South Themes Colleges Group (UK) Airhosted (Switzerland)Industries
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123Undisclosed50 - 249 employeesBarcelona, SpainInnoIT Consulting is a big data company. Their team is located in Barcelona, Spain. The firm specializes in BI & big data consulting & SI and Web Development.Read More
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124$10,000+50 - 249 employeesAlacant, SpainRead More
Software provider Django Stars is based in Kiev, Ukraine. Founded in 2008, the agency and their team of 60 specializes in web and custom software development for primarily midmarket clients.
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MoneyParkIndustries
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125Undisclosed2 - 9 employeesMadrid, SpainUniverselle is a web development firm. The agency is based in Madrid, Spain. Their services include Web Development and Blockchain Marketing.Read More
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126$10,000+10 - 49 employeesMadrid, SpainRead More
Located in London, England and Madrid, Spain, Catch is a small Digital Strategy company. They focus on Digital Strategy, UX/UI Design, Web Development, Web Design, and more and were founded in 2007.
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SharpIndustries
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127$25,000+10 - 49 employeesMadrid, SpainMobile application development company Airtouch Media is headquartered in Madrid, Spain and București, Romania. Their services include Mobile App Development and Custom Software Development.Read More
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128Undisclosed2 - 9 employeesPalma, SpainAdvertising company Zink Marketing & Comunicación is headquartered in Palma, Spain. The team specializes in Advertising and Public Relations.Read More
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129$5,000+2 - 9 employeesMadrid, SpainSoution is a small data analytics company. They specialize in BI & big data consulting & SI and cloud consulting & SI and were launched in 2022.Read More
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130$50,000+50 - 249 employeesMálaga, SpainRead More
Founded in 2006, Vector Software Ltd is an IT outsourcing company based in L'viv, Ukraine. They have more than 50 employees that specialize in application testing and development. They mostly work with mid-market and small businesses.
Clients
Stingray - Optical delousing solutions for fishing industry;Industries
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131$10,000+10 - 49 employeesValència, SpainTrembit is a software development firm. They are based in Kyiv, Ukraine; València, Spain and London, England and have a small team. The firm offers Custom Software Development, Artificial Intelligence, Mobile App Development, Web Development, and more.Read More
Clients
Red5Pro.com Webprax Learnster SiriusIndustries
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132$10,000+50 - 249 employeesMálaga, SpainRead More
IT strategy consulting company Wunderdog was founded in 2018. Their midsize team is based in Helsinki, Finland and Berlin, Germany. Wunderdog offers IT strategy consulting, custom software development, web development, IT staff augmentation, and more.
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133Undisclosed2 - 9 employeesBarcelona, SpainFounded in 2011, DevService, a small web design agency, is based in Barcelona, Spain. Their services include Web Design and Web Development.Read More
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134Undisclosed2 - 9 employeesBoadilla del Monte, SpainSEO Madrid is a SEO agency. Their small team is based in Boadilla del Monte, Spain and focuses on Search Engine Optimization and Social Media Marketing. The company was established in 2007.Read More
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135Undisclosed50 - 249 employeesMadrid, SpainLazos Contact Center is a call center. Their team is headquartered in Montevideo, Uruguay and Salto, Uruguay and specializes in Call Center Services and Search Engine Optimization.Read More
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136$1,000+Freelancer employeesSedaví, SpainMarian Marton, an user experience design agency, is based in Sedaví, Spain. They focus on UX/UI Design and Web Design and were established in 2021.Read More
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137Undisclosed2 - 9 employeesMadrid, SpainRead More
Web design company Nuau Studio was founded in 2020. They are located in Madrid, Spain and have a small team. Nuau Studio specializes in web design, branding, and graphic design.
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138Undisclosed2 - 9 employeesBarcelona, SpainKontainer Media is a branding company. They provide Branding and Graphic Design and were founded in 2011.Read More
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139Undisclosed2 - 9 employeesBenidorm, SpainTridan SLU is a SEO company. Located in Benidorm, Spain, their small team offers Search Engine Optimization and Web Design. The agency was founded in 1996.Read More
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140$1,000+Freelancer employeesOliva, SpainMark Hatter Services, a web development company, is located in Oliva, Spain. They offer Web Development and Web Design and were established in 2017.Read More
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141Undisclosed2 - 9 employeesMadrid, SpainWebsite development company Camberí is based in Madrid, Spain. They focus on Web Development and UX/UI Design and were launched in 2019.Read More
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142$50,000+50 - 249 employeesValència, SpainCustom software development company Blue Trail Software was founded in 2013. Headquartered in Oakland, California; Tepatitlán de Morelos, Mexico; València, Spain and Resistencia, Argentina, their midsize team specializes in Custom Software Development, Building Security Services, Application Testing, Mobile App Development, and more.Read More
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143$1,000+Freelancer employeesSanta Cruz de Tenerife, SpainANISA Solutions is a website development company located in Santa Cruz de Tenerife, Spain. Their services include Web Development and Custom Software Development.Read More
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144$50,000+10 - 49 employeesBarcelona, SpainBoldheart, a mobile application development firm, was founded in 2020. The agency specializes in Mobile App Development, Custom Software Development, UX/UI Design, IT strategy consulting, and more and has a small team. The agency is in Berlin, Germany; München, Germany; Zürich, Switzerland and Wien, Austria.Read More
Clients
ValoraIndustries
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145Undisclosed10 - 49 employeesEl Campello, SpainIntense Health is a custom software development firm in El Campello, Spain and Warszawa, Poland. Their services include Custom Software Development and Web Development.Read More
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146UndisclosedFreelancer employeesGorliz, SpainFounded in 2004, Diseño web IMACRESTE is a small Gorliz, Spain-based SEO services firm. Their team offers Search Engine Optimization and Web Design.Read More
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147$10,000+10 - 49 employeesValència, SpainJulasoft is a small City Bell, Argentina-based Blockchain company. They specialize in Blockchain, Custom Software Development, Web Development, Mobile App Development, and more and were established in 2011.Read More
Clients
Novomet Karün World Joint The PlanetIndustries
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148UndisclosedFreelancer employeesBarcelona, SpainALHOSTINGS, a small website development firm, is in Barcelona, Spain. Their services include Web Development and Web Design.Read More
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149Undisclosed2 - 9 employeesPedreguer, Alicante, SpainSEO PROCEED is a branding firm. They are headquartered in Pedreguer, Alicante, Spain. Their team offers Branding and Content Marketing.Read More
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150$25,000+50 - 249 employeesMadrid, SpainMWDN is a midsize IT staff augmentation company. Founded in 2002, the agency is in תל אביב-יפו, Israel; Kyiv, Ukraine; Warszawa, Poland and Sofia, Bulgaria. Their team specializes in IT staff augmentation, Custom Software Development, Recruiting, Mobile App Development, and more.Read More
Clients
Gett Twingate iRoofing NAX Technology GroupIndustries
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