Top 100 OPEN API Developers in Europe
The Best of April 2026
Jump to Most Reviewed Companies
List of the Best Europe OPEN API Development Companies
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61$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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62$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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63UndisclosedFreelancer 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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64$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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65$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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66$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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67$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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68$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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69$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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70$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
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Arpedon Neon Law Phenometry RocketX -
71Undisclosed2 - 9 employeesTârgu Mureș, RomaniaSC LERATECH INNOVATION SRL, a branding agency, was launched in 2022. Based in Târgu Mureș, Romania, the team specializes in Branding and UX/UI Design.Read More
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72$1,000+10 - 49 employeesKraków, PolandEura7 Software House is a custom software development firm. Launched in 1999, the team specializes in Custom Software Development and UX/UI Design.Read More
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TescoIndustries
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73$5,000+10 - 49 employeesManchester, EnglandPeachr is a Manchester, England-based website development company. The team provides Web Development and Mobile App Development.Read More
Clients
One Emergency Dentist GymNation SquatWolf Night and Day Emergency DentistIndustries
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74$25,000+50 - 249 employeesBergen, NorwayMaksimer is an e-commerce development firm in Bergen, Norway. They offer E-Commerce Development and Web Development and were launched in 2009.Read More
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75$5,000+2 - 9 employeesVicenza, ItalyMostrum Srl is a custom software development company established in 2023. Their services include Custom Software Development and Web Development.Read More
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76$1,000+2 - 9 employeesMarseille, FranceWebsite development firm XELERO is located in Tunis, Tunisia and Marseille, France. Founded in 2020, the team offers Web Development and Mobile App Development.Read More
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77$250,000+10 - 49 employeesWembley, EnglandFounded in 2012, Aliza Solutions LTD is a custom software development firm. The team focuses on Custom Software Development and API Development.Read More
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78$5,000+2 - 9 employeesBudapest, HungaryFounded in 2022, PetakSys is a custom software development company. The company provides Custom Software Development and IT strategy consulting.Read More
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79$10,000+50 - 249 employeesStafford, EnglandE-commerce development firm Kanuka Digital was founded in 1995. The firm provides E-Commerce Development and Web Design.Read More
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80$25,000+10 - 49 employeesZagreb, Croatia3mi Lab is a custom software development firm. They offer Custom Software Development and Web Development and were launched in 2018. The company is in Zagreb, Croatia.Read More
Clients
NEOGOV INA d.d. Infosit d.o.o.Industries
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81$5,000+10 - 49 employeesKoszalin, PolandI4B is a small API Development company established in 2011. Their team offers API Development and Enterprise App Modernization.Read More
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82$5,000+2 - 9 employeesKraków, PolandEPR is a Generative AI company. The firm is located in Kraków, Poland. Their services include Generative AI and Web Development.Read More
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83$10,000+10 - 49 employeesBucurești, RomaniaIT staff augmentation company Webventure Development is located in București, Romania. Their services include IT staff augmentation and Custom Software Development.Read More
Clients
Pro TVIndustries
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84$100,000+50 - 249 employeesRichmond upon Thames, EnglandEstafet is a midsize custom software development firm. Launched in 2002, the team provides Custom Software Development and Artificial Intelligence.Read More
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85$5,000+2 - 9 employeesDublin 2, IrelandLocated in Dublin 2, Ireland, Stantons Dev House is a Product Design company. The team specializes in Product Design and Web Development.Read More
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86$5,000+10 - 49 employeesRīga, LatviaApp development firm Codify Group is headquartered in Rīga, Latvia and Rīga, Latvia. Their services include Mobile App Development and Custom Software Development.Read More
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87$1,000+2 - 9 employeesÚstí nad Labem-město, Czech RepublicOctopod Systems is a custom software development firm. They were established in 2024 and provide Custom Software Development and Web Development.Read More
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88$5,000+50 - 249 employeesCaniçal, PortugalMalogica Software, a midsize custom software development company, is headquartered in Caniçal, Portugal. The team focuses on Custom Software Development and E-Commerce Development.Read More
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89Undisclosed2 - 9 employeesBudapest, HungaryLocated in Naperville, Illinois and Budapest, Hungary, Hawkdive Media is a small API Development company. Their services include API Development and Web Development.Read More
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90$75,000+Freelancer employeesLjubljana, SloveniaTritron is an IT strategy consulting company. Established in 2025, the team focuses on IT strategy consulting and Custom Software Development. The firm is based in Ljubljana, Slovenia.Read More
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Check out an OPEN API Company in Europe with the most new reviews in the past 12 months.
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