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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91$1,000+2 - 9 employeesVarna, BulgariaFounded in 2020, Websycraft is a custom software development firm. The team provides Custom Software Development and Web Development and is based in Varna, Bulgaria and Wien, Austria.Read More
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92$5,000+2 - 9 employeesGloucester, EnglandWeb development company Doddle Agency is located in Gloucester, England. The team specializes in Web Development and Custom Software Development.Read More
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93$10,000+10 - 49 employeesBarcelona, SpainGigson Solutions is a Barcelona, Spain-based Cybersecurity company. They focus on Cybersecurity and Custom Software Development and were launched in 2022.Read More
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94$5,000+10 - 49 employeesMadrid, SpainBidea Factory is a custom software development firm. Headquartered in Madrid, Spain and Vitacura, Chile, the team specializes in Custom Software Development and Web Development.Read More
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95$1,000+2 - 9 employeesBeeston, EnglandAppatree, an user experience agency, was launched in 2022. The company specializes in UX/UI Design and Web Development.Read More
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96$5,000+2 - 9 employeesWarszawa, PolandFounded in 2019, RK Software Systems is a website development company. In Warszawa, Poland, the team offers Web Development and API Development.Read More
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97Undisclosed10 - 49 employeesDublin, IrelandDotser is a web development company. They are based in Dublin, Ireland, and their services include Web Development and E-Commerce Development.Read More
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98Undisclosed10 - 49 employeesVarna, BulgariaNexGen is a Burgas, Bulgaria-based software development company. They provide Custom Software Development and IT strategy consulting and were launched in 2014.Read More
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99$10,000+2 - 9 employeesRotterdam, NetherlandsCodeIQ is a custom software development company. They were founded in 2017, and their services include Custom Software Development and API Development.Read More
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100$25,000+50 - 249 employees27 Old Gloucester Street, , EnglandCodegem is a custom software development company. They are in 27 Old Gloucester Street, , England and have a midsize team. Their services include Custom Software Development, API Development, Application Testing, Engineering, and more.Read More
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101$1,000+Freelancer employeesAlicante (Alacant), SpainDevatk11 is a software development company and API Development company. The firm is located in Alicante (Alacant), Spain. Their services include Custom Software Development and API Development.Read More
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102$5,000+50 - 249 employeesFrimley, EnglandEstablished in 2015, Phrism Solutions is a HR Consulting company. Their team focuses on HR Consulting and Business Consulting.Read More
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103$5,000+50 - 249 employeesChișinău, MoldovaSpacecore is a custom software development company. The midsize Chișinău, Moldova-based team specializes in Custom Software Development and ERP consulting and SI. The agency was founded in 2017.Read More
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104$25,000+50 - 249 employeesABS, ArgentinaPigmalion Software is a software development company based in ABS, Argentina and Miami, Florida. They provide Custom Software Development and Microservices Architecture Services.Read More
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105$10,000+2 - 9 employeesŁódź, PolandProgramium, a custom software development firm, was founded in 2025. The agency focuses on Custom Software Development and Web Development.Read More
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106$5,000+Freelancer employeesGignac-la-Nerthe, FranceCode 66 is a SEO company established in 2024. Their services include Search Engine Optimization and Web Development.Read More
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107$1,000+Freelancer employeesWarszawa, PolandDigital Strategy company Alaska Hub was launched in 2024. The small team focuses on Digital Strategy and Custom Software Development.Read More
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108$1,000+2 - 9 employeesFunchal, PortugalByteNuts, a custom software development company, is headquartered in Funchal, Portugal. Founded in 2016, the team provides Custom Software Development and UX/UI Design.Read More
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109$10,000+10 - 49 employeesL'viv, UkraineLaunched in 2003, BESKYD COM LTD is a small software development company. Their services include Custom Software Development and Web Development.Read More
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110$25,000+2 - 9 employeesBordon, EnglandPivale is a Business Consulting company. The Bordon, England-based agency was founded in 2008. Their team specializes in Business Consulting and Web Design.Read More
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111$5,000+2 - 9 employeesBarcelona, SpainLaunched in 2023, Twinology is an IT strategy consulting company. The team offers IT strategy consulting and cloud consulting & SI.Read More
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112$1,000+2 - 9 employeesPrelog, CroatiaEstablished in 2023, Nordia Group is a web development firm. The team offers Web Development and Mobile App Development.Read More
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113$5,000+10 - 49 employeesGdynia, PolandSoftware development company ConradMind is located in Gdynia, Poland. The small team focuses on custom software development, web development, mobile app development, application management & support, and more and was established in 2017.Read More
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114$5,000+10 - 49 employeesTallinn, EstoniaAltronixSoft is a software development company. The agency is in Tallinn, Estonia and Kyiv, Ukraine. Their team specializes in Custom Software Development and Web Development.Read More
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115Undisclosed10 - 49 employeesBratislava, SlovakiaHeadquartered in Bratislava, Slovakia, Elevon.io is a small web development company. Their services include Web Development and Mobile App Development.Read More
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116Undisclosed10 - 49 employeesMünchen, GermanyEstablished in 2022, DAS Consultancy Services GmbH is an IT strategy consulting company. The team focuses on IT strategy consulting and cloud consulting & SI.Read More
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117UndisclosedFreelancer employeesSouthampton, EnglandFounded in 2014, DannyTheDev is a website development company. The team focuses on Web Development and API Development and is headquartered in Southampton, England.Read More
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118$5,000+2 - 9 employeesPorto, PortugalRemote Flags is a web development firm. The Porto, Portugal-based company was established in 2022. Their team focuses on Web Development and DevOps Managed Services.Read More
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119$1,000+2 - 9 employeesMünchen, GermanyCustom software development company GigLabo is in München, Germany. They specialize in Custom Software Development and Web Development and were launched in 2024.Read More
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120$1,000+2 - 9 employeesNottingham, EnglandTea Powered Projects, a web design agency, was established in 2016. The firm provides Web Design and Web Development.Read More
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