Top 100 JavaScript Development Companies in Spain
The Best of December 2025Looking 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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31$25,000+2 - 9 employeesBarcelona, SpainRead More
Claw Studios is a software company based in Cordoba, Argentina. Founded in 2017, their team of approximately 3–4 employees primarily serves small businesses in the business, IT, and consumer goods sectors. Their expertise encompasses web, mobile, and custom software development.
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Aspen ConsultoresIndustries
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32$10,000+10 - 49 employeesMadrid, SpainLaunched in 2019, TAILOR HUB is a small Madrid, Spain-based web development company. Their services include Web Development and Mobile App Development.Read More
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33$10,000+10 - 49 employeesBarcelona, SpainSmall website development company Digital Quick Pragmatic Team, is in Dover, Delaware and Barcelona, Spain. Established in 2015, the team provides Web Development, Mobile App Development, IT staff augmentation, and Artificial Intelligence.Read More
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Haymarket Media PRI Healthcare SolutionsIndustries
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34$1,000+2 - 9 employeesBarcelona, SpainMurre Agency is a Barcelona, Spain-based web development company. The small team provides Web Development, Search Engine Optimization, E-Commerce Development, Web Design, and more and was founded in 2024.Read More
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35$1,000+2 - 9 employeesBarcelona, SpainOnyx8 Digital Agency is a small SEO services firm launched in 2024. Their team specializes in Search Engine Optimization, E-Commerce Development, Web Design, Web Development, and more. The firm is based in Barcelona, Spain and New Castle, Delaware.Read More
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La COLOMBE Schoenemoebel Berlin The Cabinet Spot.com Lumiform AppIndustries
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36$25,000+2 - 9 employeesMadrid, SpainApp Design Agency is a custom software development company. The small Madrid, Spain-based team offers Custom Software Development, E-Commerce Development, Mobile App Development, and Web Development. The agency was founded in 2010.Read More
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37Undisclosed2 - 9 employeesMadrid, SpainRead More
Max Planck is a IT strategy consulting company founded in 2022. Their small team is based in Madrid, Spain and Newark, Delaware. The company offers IT strategy consulting, mobile app development, IT staff augmentation, custom software development, and more.
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38$5,000+10 - 49 employeesBenidorm, SpainEstablished in 2023, DataRise Studio is a Product Design company. The firm specializes in Product Design, IT strategy consulting, IT managed services, Web Development, and more and has a small team. The firm is based in Benidorm, Spain.Read More
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39$25,000+10 - 49 employeesValència, SpainRead More
We are Cactus S.L. is a development agency based in Valencia, Spain. Since 2014, their current, small team of 9 are experts in web design and development, custom software development, and branding. We are Cactus S.L. mainly works with small businesses.
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Develapps -
40$1,000+2 - 9 employeesValència, SpainBased in Odesa, Ukraine, Acacia agency is an user experience agency. The small agency was launched in 2019. Their services include ux/ui design, web design, graphic design, logo, and more.Read More
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41$10,000+10 - 49 employeesMadrid, SpainRead More
Develapps is a mobile design and development company founded in 2008. Develapps is headquartered in Madrid with additional offices in Valencia, Spain and London. Their team of 14 offers a wide range of services including mobile app development, web development, custom software development, web design, application management & support, enterprise app modernization, and others.
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FermaxIndustries
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42$10,000+2 - 9 employeesManresa, SpainMecexis Studio is a web development company. Established in 2013, the team focuses on Web Development and Web Design.Read More
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43$10,000+50 - 249 employeesDnipro, UkraineGo Wombat is a midsize web development company. Launched in 2015, the company is located in Dnipro, Ukraine; Tallinn, Estonia and València, Spain. Their team provides Web Development, Mobile App Development, Artificial Intelligence, and Cybersecurity.Read More
Clients
Disruption Advisors IKEA Demco British PetroleumIndustries
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44$5,000+2 - 9 employeesPalma, SpainPathways digital is a web development company founded in 2023. Their team provides Web Development and Digital Strategy.Read More
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Volksbank Steiermark AG yuutel - Telefonie für Unternehmen Dermafy Group Hausmann Promotion & MerchandisingIndustries
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45$10,000+2 - 9 employeesMadrid, SpainEstablished in 2011, Akimad is an application development company. In Madrid, Spain, the team specializes in Mobile App Development and Web Development.Read More
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46$10,000+2 - 9 employeesBilbo, SpainBusiness•config is a Digital Strategy company. The Lisboa, Portugal-based company was launched in 2009. Their team specializes in Digital Strategy and UX/UI Design.Read More
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47Undisclosed10 - 49 employeesBarcelona, SpainRead More
Slashmobility is a mobile application development firm based in Barcelona, Spain with offices in Madrid and London. Founded in 2010, the company has about 35 employees that primarily build enterprise mobile solutions for corporate clients. Slashmobility's services include mobile app development, UX/UI design, web development, application testing, and wearable app development.
Clients
Desigual, is a textile company, present in 72 countries with over 400 stores and an annual growth above 50% through internationalization and innovation.Industries
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48$1,000+2 - 9 employeesBarcelona, SpainWacdis Software is a web development firm. Established in 2007, the agency is in Barcelona, Spain. Their services include Web Development and Web Design.Read More
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49$25,000+2 - 9 employeesBarcelona, SpainHeadquartered in Barcelona, Spain, The Crafters Lab is a web development company. Their services include Web Development and Custom Software Development.Read More
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50$5,000+2 - 9 employeesValencia, SpainLaunched in 2015, WonderBits, a small custom software development company, is based in Valencia, Spain. Their team specializes in Custom Software Development and Web Development.Read More
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51$1,000+10 - 49 employeesMadrid, SpainPango Studio, a web development company, focuses on Web Development and E-Commerce Development. The firm is located in Madrid, Spain and Del Valle Norte, Mexico.Read More
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52$1,000+10 - 49 employeesBarcelona, SpainFEEL! is a Barcelona, Spain-based Digital Strategy company. Their services include Digital Strategy and Search Engine Optimization.Read More
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53$5,000+2 - 9 employeesMadrid, SpainBarroko is a website development company. Launched in 2025, the agency is based in Madrid, Spain. Their services include Web Development and IT strategy consulting.Read More
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54$100,000+50 - 249 employeesSevilla, SpainZ1 Digital Studio is an UX agency. Established in 2014, the firm is located in Sevilla, Spain and Victoria, Canada. Their team offers UX/UI Design and Mobile App Development.Read More
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GoalBased InvestorsIndustries
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55$5,000+2 - 9 employeesBarcelona, SpainFounded in 2017, Origen Studio is a web development company. The team focuses on Web Development and Custom Software Development.Read More
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56$10,000+10 - 49 employeesMadrid, SpainWAAVI STUDIO S.L. Is a Madrid, Spain-based application development firm. They offer Mobile App Development and Web Development and were launched in 2013.Read More
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57$1,000+2 - 9 employeesVilanova del Camí, SpainEstablished in 2019, Convierte web LLC is a SEO agency. In Vilanova del Camí, Spain and Toluca de Lerdo, Mexico, the team focuses on Search Engine Optimization and Web Design.Read More
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58$5,000+10 - 49 employeesBarcelona, SpainItequia is a custom software development firm. The firm is based in Barcelona, Spain. Their team specializes in Custom Software Development and Enterprise App Modernization.Read More
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59$1,000+2 - 9 employeesAvilés, SpainBased in Avilés, Spain, Stand Up Ltd is a web design agency. They provide Web Design and Search Engine Optimization.Read More
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60$5,000+10 - 49 employeesRivas-Vaciamadrid, SpainIndicus Software is a web design company. The Rivas-Vaciamadrid, Spain-based firm focuses on Web Design and IT strategy consulting.Read More
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