Top 100 OPEN API Developers in Europe
The Best of December 2025
Jump to Most Reviewed Companies
List of the Best Europe OPEN API Development Companies
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31$5,000+50 - 249 employeesParis, FranceTHE CODING MACHINE is a software development firm. In Paris, France and Lyon, France, the firm was founded in 2005. Their services include Custom Software Development and Web Development.Read More
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32$10,000+10 - 49 employeesKraków, PolandByVoice, a software development firm, was established in 2020. The small Kraków, Poland-based team focuses on Custom Software Development, IT staff augmentation, Web Development, Artificial Intelligence, and more.Read More
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33$25,000+50 - 249 employeesGranada, SpainLaunched in 2008, Nazaries intelligenia is a custom software development company. They are headquartered in Granada, Spain; Buenos Aires, Argentina; Miami, Florida and Barcelona, Spain and have a midsize team. Their services include Custom Software Development, API Development, Web Development, UX/UI Design, and more.Read More
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34$10,000+2 - 9 employeesBerlin, GermanyEstablished in 2022, Supaapps GmbH is a web development company. The small Berlin, Germany-based team provides web development, devops managed services, mobile app development, other application development, and more.Read More
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35$5,000+10 - 49 employeesArnhem, NetherlandsFour Digits is a website development firm. In Arnhem, Netherlands, their team provides Web Development and API Development.Read More
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36$1,000+50 - 249 employeesPoznań, PolandFounded in 2021, DIGITAL-IMAGES sp. Z o.o. Is a web development firm. They are in Poznań, Poland and have a midsize team. The firm offers web development, e-commerce development, custom software development, mobile app development, and more.Read More
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37$10,000+50 - 249 employeesKyiv, UkraineConfidence Technology is a website development firm. Their midsize team is based in Kyiv, Ukraine; Свети Влас, Bulgaria; Dubai, United Arab Emirates and Oslo, Norway and focuses on Web Development, Mobile App Development, E-Commerce Development, Application Testing, and more. The company was launched in 2022.Read More
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38$25,000+50 - 249 employeesLondon, EnglandIntegrella is a custom software development firm established in 2007. The company focuses on Custom Software Development, Web Development, IT staff augmentation, API Development, and more and has a midsize team. The company is located in London, England; Ahmedabad, India and Dubai, United Arab Emirates.Read More
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39$1,000+2 - 9 employeesKyiv, UkraineUpScale Ninjas is a small Low/No Code Development company. The Kyiv, Ukraine-based firm was launched in 2020. Their team focuses on Low/No Code Development, CRM consulting and SI, API Development, AI Consulting, and more.Read More
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40$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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41$5,000+10 - 49 employeesWarszawa, PolandLocated in Warszawa, Poland, K4 Tech Solutions is a small Blockchain company. Established in 2024, the team focuses on Blockchain, Custom Software Development, Web Development, Mobile App Development, and more.Read More
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42$5,000+10 - 49 employeesSurfleet, EnglandAtomise is a website development company founded in 2022. Their small team is in Surfleet, England and Gurugram, India. The company specializes in Web Development, API Development, cloud consulting & SI, IT staff augmentation, and more.Read More
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43$1,000+2 - 9 employeesNovi Pazar, SerbiaBonislabs is an IT strategy consulting company headquartered in Novi Pazar, Serbia. The small company was founded in 2022. Their team focuses on IT strategy consulting, Custom Software Development, Web Development, Artificial Intelligence, and more.Read More
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44$5,000+2 - 9 employeesLytchett Matravers, EnglandNovatura is a small api development company. Based in Lytchett Matravers, United Kingdom, the company was launched in 2023. Their team provides api development, custom software development, web development, mobile app development, and more.Read More
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45Undisclosed250 - 999 employeesLondon, EnglandWeb development company Team In India was launched in 2002. The team specializes in Web Development and Mobile App Development.Read More
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46$5,000+10 - 49 employeesFlorianópolis, BrazilPETE.Tech is a web development company. Located in Florianópolis, Brazil and Hamburg, Germany, the team focuses on Web Development and Mobile App Development.Read More
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47$5,000+10 - 49 employeesChișinău, MoldovaEstablished in 1999, Optimum-web is a web development company. Their small team is located in Odesa, Ukraine and Chișinău, Moldova. Their services include web development, custom software development, mobile app development, cybersecurity, and more.Read More
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48$1,000+2 - 9 employeesRīga, LatviaWebsalutem Web Development Agency is a small website development company. Launched in 2019, the firm is headquartered in Rīga, Latvia. Their services include Web Development, E-Commerce Development, API Development, Web Design, and more.Read More
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49$5,000+2 - 9 employeesNovi Sad, SerbiaCustom software development company ITELLIGENTIX is located in Novi Sad, Serbia. The agency specializes in Custom Software Development, Web Development, Mobile App Development, and API Development and is small.The agency was launched in 2023.Read More
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50$75,000+10 - 49 employeesL'viv, UkraineLocated in Szczecin, Poland and L'viv, Ukraine, Aimtraction is an IT staff augmentation company. The small team specializes in IT staff augmentation, Custom Software Development, Web Development, Enterprise App Modernization, and more and was founded in 2018.Read More
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51$5,000+2 - 9 employeesLondon, EnglandEstablished in 2021, Remote Skills is a small custom software development company. Their team provides Custom Software Development, Artificial Intelligence, Generative AI, API Development, and more. The agency is based in London, England.Read More
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52$50,000+2 - 9 employeesBarcelona, SpainMVP Builders is a small Ciudad Autónoma de Buenos Aires, Argentina-based website development company. Established in 2020, the team provides web development, web design, and ux/ui design.Read More
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53UndisclosedFreelancer employeesTallinn, EstoniaAdonexus is a software development firm established in 2024. Their small team is in Tallinn, Estonia. The firm provides Custom Software Development, Artificial Intelligence, DevOps Managed Services, Generative AI, and more.Read More
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54$1,000+50 - 249 employeesAskim, SwedenX-Venture Global Solutions is an API Development company. The company is based in Pannipitiya, Sri Lanka and Askim, Sweden. Their services include API Development and Mobile App Development.Read More
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55$10,000+2 - 9 employeesWestbury, EnglandLocated in Westbury, United Kingdom, Honeystone Consulting Ltd is a branding agency. Founded in 2003, the small team specializes in branding, search engine optimization, ux/ui design, and web development.Read More
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56$50,000+1,000 - 9,999 employeesUtrecht, NetherlandsIn Utrecht, Netherlands and Groningen, Netherlands, ilionx is a large Digital Strategy company. Their services include Digital Strategy and BI & big data consulting & SI.Read More
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57$75,000+2 - 9 employeesBest, NetherlandsLaunched in 2024, Codolis B.V. Is a small software development company. Their services include Custom Software Development, Other Application Development, Web Development, Mobile App Development, and more. The firm is located in Best, Netherlands.Read More
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58$5,000+10 - 49 employeesPraha-Kunratice, Czech RepublicConsensus Innovations is an AI Agents company. The Praha-Kunratice, Czech Republic-based company was founded in 2022. The small team focuses on AI Agents, Custom Software Development, Artificial Intelligence, IT strategy consulting, and more.Read More
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59$25,000+2 - 9 employeesBrighton and Hove, EnglandUnusual Technologies is an AR/VR development company. Established in 2018, the team specializes in AR/VR development and UX/UI Design. The company is located in Brighton and Hove, England.Read More
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60$1,000+2 - 9 employeesAthina, GreeceBased in Athina, Greece, LOGIC is a web design agency. Launched in 2020, the team focuses on Web Design and Web Development.Read More
Clients
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