Top 100 JavaScript Development Companies in Sofia
The Best of February 2026Looking for a top JavaScript developer in Sofia?
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 Sofia. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Sofia JavaScript Developers
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31$10,000+10 - 49 employeesSofia, BulgariaRead More
Branding agency Brandly Collective is in Sofia, Bulgaria and New York, New York. The company specializes in branding, web design, web development, and ux/ui design and is small.The company was launched in 2018.
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32$5,000+10 - 49 employeesSofia, BulgariaRead More
Founded in 2010, EntroSolutions is a development agency based in Sofia, Bulgaria. They primarily work with small businesses in the e-commerce industry. Their team focuses on custom software and e-commerce development.
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BMWIndustries
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33$25,000+50 - 249 employeesSofia, BulgariaRead More
Appolica, a mobile app development firm, was established in 2013. The firm provides mobile app development, web development, ux/ui design, web design, and more and has a small team. The firm is located in Sofia, Bulgaria.
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34$5,000+10 - 49 employeesSofia, BulgariaRead More
Ralev.com is a design strategy and digital experience agency founded in 2004 and located in Sofia, Bulgaria. The team of fewer than 50 employees provides branding services to small and midmarket businesses in the consumer products and services, business services, and e-commerce industries.
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SBtechIndustries
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35$10,000+10 - 49 employeesSofia, BulgariaRead More
Kvaba Interactive is a software agency founded in 2015 in Sofia, Bulgaria. Their team of no more than 50 specializes in web, custom software, and AR/VR development solutions for clients in the industries of advertising, gaming, and arts.
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VolkswagenIndustries
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36$1,000+2 - 9 employeesSofia, BulgariaWeb development firm Unax is headquartered in Sofia, Bulgaria. The small company was launched in 2019. Their team provides web development, e-commerce development, custom software development, web design, and more.Read More
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Natlia KobilkinaIndustries
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37$25,000+50 - 249 employeesSofia, BulgariaAthlon: Global Design Company is an UX agency launched in 2009. The agency focuses on UX/UI Design, Web Design, Product Design, Web Development, and more and has a midsize team.Read More
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38$10,000+10 - 49 employeesSofia, BulgariaRead More
Donatix is a development company headquartered in Sofia, Bulgaria and founded in 2015. The agency has another location in London, in the UK. Donatix's team of about 10 employees specializes in web design, but also provides mobile app development. Many of Donatix's clients are small businesses.
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BayerIndustries
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39Undisclosed2 - 9 employeesSofia, BulgariaPrimeWeb is a software development company located in Sofia, Bulgaria. The small team offers custom software development, web development, mobile app development, e-commerce development, and more. The company was launched in 2022.Read More
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40$1,000+10 - 49 employeesBerlin, GermanyPay per click agency Deltologic was established in 2020. Their small team is located in Berlin, Germany; Poznań, Poland; Utrecht, Netherlands and Sofia, Bulgaria. Deltologic specializes in Pay Per Click, cloud consulting & SI, Custom Software Development, Low/No Code Development, and more.Read More
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41$5,000+250 - 999 employeesSofia, BulgariaStanga1 is a software development firm founded in 1999. They are headquartered in Sofia, Bulgaria; New York, New York; Petach Tikva, Israel and Plovdiv, Bulgaria and have a midsize team. The agency provides Custom Software Development, IT staff augmentation, Web Development, cloud consulting & SI, and more.Read More
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limehome Imperva MedixIndustries
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42$25,000+50 - 249 employeesSofia, BulgariaDroxic is a software development firm. Established in 2012, the midsize company is in Sofia, Bulgaria; Niš, Serbia and Sofia, Bulgaria. Their services include Custom Software Development, Web Development, IT strategy consulting, Mobile App Development, and more.Read More
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Grohe, HMD, CNN, Viessmann, British Airways -
43$5,000+50 - 249 employeesSofia, BulgariaSaitami is a midsize Sofia, Bulgaria-based social media marketing agency. Launched in 2011, the team focuses on Social Media Marketing, Search Engine Optimization, Pay Per Click, Custom Software Development, and more.Read More
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44$1,000+2 - 9 employeesSofia, BulgariaRead More
It St Technology Ltd. Is a website development company. Their small team is headquartered in Sofia, Bulgaria. The firm provides web development, custom software development, web design, graphic design, and more.
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PURE PRO Ltd.Industries
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45$5,000+10 - 49 employeesSofia, BulgariaRead More
Rubber Duck is a website development company based in Sofia, Bulgaria and Plovdiv, Bulgaria. Founded in 2015, the small team specializes in web development, custom software development, ux/ui design, mobile app development, and more.
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46$10,000+10 - 49 employeesSofia, BulgariaRead More
Oblik Studio is a design and development company based in Sofia, Bulgaria with fewer than 50 experts. Since their founding in 2014, they have offered web design, graphic design, and web development solutions for clients in the fields of business services, financial services, and e-commerce.
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Nexo.ioIndustries
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47$10,000+2 - 9 employeesSofia, BulgariaRead More
Custom software development firm DevScale was founded in 2018. The company offers custom software development, web development, web design, graphic design, and more and has a small team.
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City TourIndustries
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48$1,000+10 - 49 employeesSofia, BulgariaMK IT is an IT staff augmentation company. They focus on IT staff augmentation, web development, mobile app development, and corporate training and were launched in 2016. Their small team is in Sofia, Bulgaria.Read More
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49$50,000+10 - 49 employeesSofia, BulgariaWebsite development company Ever Technologies was founded in 2017. Their small team is based in Sofia, Bulgaria. Their services include Web Development, Custom Software Development, E-Commerce Development, and Mobile App Development.Read More
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Nabo As (Norway)Industries
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50$10,000+10 - 49 employeesSofia, BulgariaHeadquartered in Sofia, Bulgaria, Ninefold is an app development firm. The small agency was established in 2016. Their services include Mobile App Development, UX/UI Design, IT strategy consulting, Custom Software Development, and more.Read More
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PlantSnapIndustries
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51$5,000+10 - 49 employeesSofia, BulgariaEstablished in 2020, Kodin Soft is a web development company. The company specializes in web development, custom software development, and application management & support and has a small team.Read More
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52$10,000+50 - 249 employeesSofia, BulgariaSupportica Solutions is a midsize IT staff augmentation company. The Sofia, Bulgaria-based firm was founded in 2019. Their services include IT staff augmentation, Custom Software Development, IT managed services, Mobile App Development, and more.Read More
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53$1,000+2 - 9 employeesSofia, BulgariaRead More
137 is a design agency founded in Lovech, Bulgaria in 2020. With no more than 10 employees, they offer web design, UX/UI design, and SEO solutions for small businesses.
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Byalka Hunting PreserveIndustries
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54$5,000+10 - 49 employeesSofia, BulgariaSmarch is a Sofia, Bulgaria-based custom software development firm. They provide Custom Software Development, Web Development, Mobile App Development, UX/UI Design, and more and were launched in 2018.Read More
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AhviidIndustries
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55$100,000+50 - 249 employeesSofia, BulgariaRead More
TechPods is an IT firm based in Sofia, Bulgaria, and founded in 2018. With over 10 employees, they provide IT staff augmentation, custom software development, and web development services for small and medium-sized businesses alike.
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Arctic ShoresIndustries
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56$5,000+10 - 49 employeesSofia, BulgariaRead More
Vipe Studio is a specialized company founded in 2016 with more than two members. They offer e-commerce development, web development, and web design solutions from their office in Sofia, Bulgaria. They work with small and mid-market firms.
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Smart ArenaIndustries
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57Undisclosed50 - 249 employeesSofia, BulgariaRead More
Motion Software is a custom software development firm. The small Sofia, Bulgaria-based team specializes in custom software development, blockchain, e-commerce development, IT staff augmentation, and more. The agency was founded in 2015.
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58$1,000+2 - 9 employeesSofia, BulgariaRead More
Dev In Action is a website agency based in Sofia, Bulgaria, and founded in 2016. Run by no more than 10 members, they offer web development and web design solutions for small businesses in the fields of consumer products, advertising, and e-commerce.
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Eurolease GroupIndustries
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59$25,000+10 - 49 employeesSofia, BulgariaNo Limit Software is a small software development company. In Sofia, Bulgaria, the firm was established in 2014. Their services include custom software development, web development, ux/ui design, IT managed services, and more.Read More
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60$5,000+2 - 9 employeesSofia, BulgariaRead More
DevMinds is a software development agency that was founded in 2016 in Sofia, Bulgaria. Their team of around 10 employees provides custom software and web development services to small and mid-market businesses in a variety of industries including media, advertising, and education.
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