Top 100 OPEN API Developers in Europe
The Best of December 2025
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List of the Best Europe OPEN API Development Companies
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1$5,000+50 - 249 employeesBoryspil', UkraineRead More
DTEAM is a midsize software development firm. The Boryspil', Ukraine-based company was launched in 2017. Their team offers Custom Software Development, API Development, Web Development, Mobile App Development, and more.
Clients
RainaMusic RxPhoto Intuceo PBMSourceIndustries
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2$5,000+1,000 - 9,999 employeesLeiria, PortugalFCamara is an user experience agency. Their large team is in São Paulo, Brazil; Leiria, Portugal; St Albans, England and Dubai, United Arab Emirates. Their services include UX/UI Design, IT strategy consulting, cloud consulting & SI, IT staff augmentation, and more. The firm was founded in 2006.Read More
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Farfetch IPSOS Elfa Group BTG PactualIndustries
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3$10,000+10 - 49 employeesZymna Voda, UkraineRead More
Bits Orchestra is a software development company. They specialize in Custom Software Development, Web Development, Web Design, IT staff augmentation, and more and were founded in 2018. Their small team is headquartered in Zymna Voda, Ukraine; Bakı, Azerbaijan and Orlando, Florida.
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Harold Grinspoon FoundationIndustries
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4$5,000+50 - 249 employeesČeské Budějovice, Czech RepublicApplication development firm Argo22 was established in 2010. They are in České Budějovice, Czech Republic and have a midsize team. Their services include Mobile App Development, Custom Software Development, Web Development, E-Commerce Development, and more.Read More
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5$10,000+50 - 249 employeesCastrop-Rauxel, GermanyChudovo is a midsize Tallinn, Estonia-based custom software development company. They specialize in Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and more and were established in 2006.Read More
Clients
Hoffman-La Roche, Royal Bank of Scotland, Saphera, Corizon Health, Evonik, TP-Link, Nexans, FDP-Bundestagsfraktion, berlinappcompany GmbH, Barcodes Inc., Pixabit-Solutions, Infocom, UkrPromBank, RBC SoftIndustries
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6$10,000+50 - 249 employeesBerlin, GermanyProductDock AG, a custom software development company, was founded in 2020. They are based in Berlin, Germany; Lisboa, Portugal; Novi Sad, Serbia and Banja Luka, Bosnia and Herzegovina and have a midsize team. Their services include Custom Software Development, Web Development, Mobile App Development, API Development, and more.Read More
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AdevintaIndustries
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7$5,000+10 - 49 employeesWangford, EnglandJetBase.IO, a cloud consulting & SI company, is based in Sheridan, Wyoming and Wangford, England. The small team provides cloud consulting & SI, IT staff augmentation, Custom Software Development, Web Development, and more. The firm was founded in 2014.Read More
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8$10,000+10 - 49 employeesWarszawa, PolandRead More
Custom software development company Softellar was founded in 2021. Headquartered in Warszawa, Poland, their small team provides custom software development, web development, ux/ui design, IT strategy consulting, and more.
Clients
Multi Radiance Medical Loma Lux Laboratories Grand Financial Inc Commercial Capital Group LLCIndustries
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9$1,000+10 - 49 employeesChișinău, MoldovaEazyCode, a small Low/No Code Development company, is located in Chișinău, Moldova. Founded in 2019, the team provides Low/No Code Development, Web Development, Mobile App Development, API Development, and more.Read More
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10$5,000+10 - 49 employeesKharkiv, UkraineRead More
Right Link, a small web development firm, is in Kharkiv, Ukraine. Founded in 2014, the team focuses on web development and e-commerce development.
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11$50,000+2 - 9 employeesMaribor, SloveniaPRIOT Digital Systems is a small custom software development company. They provide custom software development, web development, and IoT development and were launched in 2019.Read More
Clients
Sparkasse bankIndustries
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12$50,000+10 - 49 employeesWarszawa, PolandCleverLabs is a small web development firm founded in 2015. Their services include Web Development, API Development, IT staff augmentation, Custom Software Development, and more. The company is based in Warszawa, Poland; West Valley City, Utah; Astana, Kazakhstan and Tallinn, Estonia.Read More
Clients
Decisely Insurance Services LLC, USA Essential Hub LLC, USA Shipkey LLC, USA Optor AG, SwitzerlandIndustries
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13$10,000+2 - 9 employeesKoog aan de Zaan, NetherlandsRemote Reason is a small web development firm. They provide Web Development, API Development, Mobile App Development, AI Consulting, and more and were launched in 2023.Read More
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14$1,000+10 - 49 employeesKharkiv, UkraineLaunched in 2019, Exelor is a Low/No Code Development company. The firm focuses on Low/No Code Development, Custom Software Development, AI Consulting, AI Agents, and more and has a small team.Read More
Clients
Evan-Moor (United States) KISA (Australia) ClaimRide (United States) Summerboard (United States)Industries
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15$10,000+10 - 49 employeesManchester, EnglandApplication development company Foresight Mobile is based in Manchester, England; Birmingham, England and London, England. They offer Mobile App Development, Custom Software Development, Web Development, and API Development and were launched in 2016.Read More
Clients
Table.co Swrve Levi Strauss EAIndustries
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16$10,000+2 - 9 employeesBeograd, SerbiaGILAB DOO Beograd is a small website development company. Headquartered in Beograd, Serbia, the firm was founded in 2015. Their services include web development, mobile app development, Artificial Intelligence, api development, and more.Read More
Clients
OpenGeoHubIndustries
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17$10,000+10 - 49 employeesLeidschendam, NetherlandsGain Impact is a custom software development company launched in 2021. They are based in Leidschendam, Netherlands and have a small team. The firm offers custom software development, web development, mobile app development, e-commerce development, and more.Read More
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18$10,000+10 - 49 employeesManchester, EnglandTiksom Limited is an IT staff augmentation company. The small Manchester, England-based agency was established in 2017. Their team offers IT staff augmentation, Web Design, UX/UI Design, Custom Software Development, and more.Read More
Clients
𝗥𝗮𝗽𝗶𝗱𝗦𝗽𝗶𝗸𝗲 - Business Critical Website Monitoring & Security Solution ****************************** 𝗦𝘁𝗮𝗻𝗳𝗼𝗿𝗱 𝗨𝗻𝗶𝘃𝗲𝗿𝘀𝗶𝘁𝘆 - Shaping the Future of Medicine Through Premier Education and Innovation ******************************Industries
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19$75,000+10 - 49 employeesOtford, EnglandEcce. Is a small software development company based in Otford, England. Launched in 2000, the team specializes in Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and more.Read More
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20$25,000+50 - 249 employeesLondon, EnglandDevGrid is a software development firm founded in 2015. Their midsize team is headquartered in London, United Kingdom and Caxias do Sul, Brazil and focuses on custom software development, IoT development, mobile app development, IT staff augmentation, and more.Read More
Clients
Voltaware Services LimitedIndustries
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21$25,000+50 - 249 employeesLjubljana, SloveniaAgiledrop - developers for agencies and in-house teams is an IT staff augmentation company headquartered in Ljubljana, Slovenia; Maribor, Slovenia and Celje, Slovenia. The midsize company was launched in 2013. Their team provides IT staff augmentation, Web Development, Custom Software Development, Artificial Intelligence, and more.Read More
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Amazee LabsIndustries
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22$1,000+50 - 249 employeesChișinău, MoldovaMetawebart, a website development firm, was launched in 2008. The midsize Chișinău, Moldova-based team focuses on Web Development, Back Office Outsourcing, Web Design, Mobile App Development, and more.Read More
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23$1,000+50 - 249 employeesSlough, EnglandTechno Infonet is an ERP consulting and SI company founded in 2004. The agency provides ERP consulting and SI, Custom Software Development, Mobile App Development, E-Commerce Development, and more and has a midsize team.Read More
Clients
Ahwar AppIndustries
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24$10,000+50 - 249 employeesPorto, PortugalIT managed services company Watermelon Tecnologia was founded in 2013. Located in Porto, Portugal and Campinas, Brazil, their midsize team offers IT managed services, Mobile App Development, Search Engine Optimization, IT staff augmentation, and more.Read More
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25$25,000+50 - 249 employeesWarszawa, PolandCleverDev Software, a IT strategy consulting company, is located in Austin, Texas and Warszawa, Poland. They focus on IT strategy consulting, cloud consulting & SI, custom software development, web development, and more and were established in 2020.Read More
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26$10,000+10 - 49 employeesBanja Luka, Bosnia and HerzegovinaSmall custom software development company Invenit Solutions, is headquartered in Banja Luka, Bosnia and Herzegovina and Miami, Florida. Launched in 2019, the team focuses on Custom Software Development, Mobile App Development, API Development, Low/No Code Development, and more.Read More
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27$10,000+10 - 49 employeesSkopje, North MacedoniaRead More
Stellar Development is a custom software development company. Established in 2019, the team provides custom software development, api development, devops managed services, web design, and more. Their small firm is based in Skopje, North Macedonia.
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28$10,000+10 - 49 employeesReda, PolandWebMagic Agency, a small custom software development company, is headquartered in Odessa, Ukraine; Reda, Poland; Segovia, Spain and Cluj-Napoca, Romania. They provide Custom Software Development, E-Commerce Development, IT managed services, API Development, and more and were founded in 2014.Read More
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29$1,000+10 - 49 employeesKyiv, UkraineFounded in 2012, LiluWeb Development Studio is a website development company. The small team specializes in Web Development, E-Commerce Development, Web Design, UX/UI Design, and more. The company is headquartered in Kyiv, Ukraine.Read More
Clients
Ikova Design StoreIndustries
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30$5,000+2 - 9 employeesDnipro, UkraineRead More
Established in 2019, DevMaxUp is a web development firm. They are based in Dnipro, Ukraine and Odesa, Ukraine and have a small team. Their services include web development, custom software development, mobile app development, and web design.
Clients
SocialMeeting -- a cutting-edge web-based SaaS platform that enables users to create interactive, prerecorded meetings with ease.Industries
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