Top 100 JavaScript Development Companies in Spain
The Best of November 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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61$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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62$1,000+10 - 49 employeesValència, SpainCreon Studio, a web development firm, was founded in 2026. The small team provides Web Development, Web Design, DevOps Managed Services, E-Commerce Development, and more. The agency is headquartered in València, Spain and Київ, Ukraine.Read More
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63$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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64Undisclosed10 - 49 employeesVillamayor, SpainLunaliaTech is a web development company established in 2026. The firm focuses on Web Development and Custom Software Development, and is small.Read More
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65$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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66$5,000+10 - 49 employeesValència, SpainLienzzo - Software & AI Solutions is a València, Spain-based artificial intelligence development company. The team offers Artificial Intelligence and AI Agents.Read More
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Leroy Merlin Worten Fedefarma Ayuntamiento de BurrianaIndustries
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67$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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68$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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69$1,000+2 - 9 employeesMadrid, SpainItera.es is a Content Marketing company launched in 2022. The small team provides Content Marketing and UX/UI Design.Read More
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70$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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71$50,000+10 - 49 employeesVila-seca, SpainApricode Tech S.L is a website development company. Launched in 2024, the team provides Web Development and Mobile App Development.Read More
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72$10,000+10 - 49 employeesBarcelona, SpainSmall web design company Embacy, is headquartered in Barcelona, Spain; Paris, France; Antwerp, Belgium and Limassol, Cyprus. Launched in 2018, the team offers Web Design, Branding, UX/UI Design, Web Development, and more.Read More
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CytoraIndustries
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73$10,000+50 - 249 employeesSantiago de Compostela, SpainBalidea is a custom software development company. The Santiago de Compostela, Spain-based team offers Custom Software Development and Web Development.Read More
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74$25,000+10 - 49 employeesSantander, SpainFounded in 2013, Mubien is a small Santander, Spain-based branding company. Their services include Branding and Web Design.Read More
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75$50,000+250 - 999 employeesMadrid, SpainOne Beyond is an UX design company. Their midsize team is headquartered in Farnborough, England; Madrid, Spain; Budapest, Hungary and Szeged, Hungary. The firm focuses on UX/UI Design, IT strategy consulting, cloud consulting & SI, IT staff augmentation, and more.Read More
Clients
Smith & NephewIndustries
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76$1,000+2 - 9 employeesValència, SpainFounded in 2014, WideFix is an Application Management & Support company. Their small team is based in Warszawa, Poland and València, Spain. Their team offers Application Management & Support, Custom Software Development, Enterprise App Modernization, Web Development, and more.Read More
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Worship Online ShopWiredIndustries
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77$50,000+50 - 249 employeesValència, SpainRead More
Zoocha is a web development firm founded in 2009 and headquartered in Hertford, in the U.K. The firm has other locations in Valencia, Spain; Balneário Camboriú, Brazil; and New York, N.Y. Zoocha has about 30 employees.
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Westminster City CouncilIndustries
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78$5,000+2 - 9 employeesValència, SpainDoowebs is a website development firm in València, Spain. The team specializes in Web Development and Web Design.Read More
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79$5,000+2 - 9 employeesAlcorcón, SpainWeb development firm Softspring was launched in 2017. The firm specializes in Web Development and E-Commerce Development, and is small.Read More
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80Undisclosed10 - 49 employeesTelde, SpainBased in Telde, Spain and Berlin, Germany, Calima Solutions is a SEO services firm. The team provides Search Engine Optimization and Custom Software Development.Read More
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81$25,000+10 - 49 employeesSevilla, SpainZ1 Digital Studio, an user experience design agency, was established in 2014. The company focuses on UX/UI Design and Mobile App Development, and is small.Read More
Clients
Oatly Realworld DoubleO StellarIndustries
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82$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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83$5,000+10 - 49 employeesMadrid, SpainMr. Milú is a Digital Strategy company founded in 2010. Their team provides Digital Strategy and Custom Software Development.Read More
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84$10,000+10 - 49 employeesSant Cugat del Vallès, SpainRead More
AXIOMA is a web development firm located in Riga, Latvia. Founded in 2009, AXIOMA's team of 16 employees has nearly a decade of experience in web design and development. The firm also offers SEO services to its clients. AXIOMA primarily works with smaller and mid-market clients from the advertising, business services, and financial services industries.
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WargamingIndustries
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85Undisclosed2 - 9 employeesPalma, SpainEstablished in 2012, WEBSIMES - Servicios y Soluciones Web is a SEO agency. The agency offers Search Engine Optimization and Social Media Marketing, and is small.Read More
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86$5,000+2 - 9 employeesQuart de Poblet, SpainInnobing is a custom software development company. Their team is located in Quart de Poblet, Spain. The firm specializes in Custom Software Development and Web Development.Read More
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87Undisclosed2 - 9 employeesMálaga, SpainWeb design company ChameleonDev was founded in 2025. The company specializes in Web Design, Web Development, UX/UI Design, and Other Digital Marketing and has a small team.Read More
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88$1,000+2 - 9 employeesBarberà del Vallès, SpainUpMyPresence, a SEO agency, is headquartered in Barberà del Vallès, Spain. They focus on Search Engine Optimization and Web Development and were founded in 2026.Read More
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89$5,000+10 - 49 employeesMadrid, SpainExcibit Solutions is a web development company launched in 2016. The agency specializes in Web Development and BI & big data consulting & SI.Read More
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90$1,000+2 - 9 employeesOviedo, SpainWebservi is a web design company launched in 2008. Their team focuses on Web Design and Web Development.Read More
Industries
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