Top 100 Mobile App Developers in Sofia
The Best of January 2026Looking for a top mobile app development company in Sofia?
Building a mobile app is expensive. In fact, it can cost $10,000 to $150,000, unless you want an out-of-the-box solution with a DIY app builder. So, choosing the right app developer is important because it can save you time and money and result in an app that makes your business stand out.
As you begin the process of hiring an app development company, remember to define the type of app you want before starting conversations with developers. How complex your app idea is will determine your budget and the skill level you need in an app developer. Then, once conversations begin, ask for portfolio items, reviews, and references. Be sure to bring up timeline, too, so you align on expectations.
Overall, with about 90% of time on mobile spent in apps, investing in a mobile app for your business may help attract customers and get your brand in front of more people.
To assist you in your search for a partner, we’ve compiled this list of the top mobile app developers in Sofia. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Sofia Mobile App Development Companies
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1$50,000+1,000 - 9,999 employeesSao Paolo, BrazilRead More
Headquartered in L'viv, Ukraine; New York, New York; Saratoga, California and Bellevue, Washington, Sigma Software Group is a software development company. The large agency was established in 2002. Their services include Custom Software Development, Web Development, Mobile App Development, BI & big data consulting & SI, and more.
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VolvoIndustries
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2$50,000+1,000 - 9,999 employeesSofia, BulgariaMentorMate, a mobile application development firm, is in Minneapolis, Minnesota; Sofia, Bulgaria; Göteborg, Sweden and Asunción, Paraguay. The company provides Mobile App Development, UX/UI Design, Custom Software Development, Web Development, and more and has a large team.The company was established in 2001.Read More
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AstraZenecaIndustries
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3$25,000+10 - 49 employeesSofia, BulgariaRead More
Qualifast is a software agency based in Sofia, Bulgaria, and founded in 2017. With more than two experts, they specialize in custom software, web, and mobile app development solutions for small and mid-market firms alike in the fields of consumer products and financial services.
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HopperIndustries
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4$50,000+250 - 999 employeesSofia, BulgariaRead More
Founded in 2007, Dreamix is a midsize custom software development company headquartered in Sofia, Bulgaria and Cirencester, England. Their services include Custom Software Development, IT staff augmentation, Web Development, IT strategy consulting, and more.
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VistaJetIndustries
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5$10,000+250 - 999 employeesSofia, BulgariaRead More
Accedia is a Sofia, Bulgaria-based software development firm. They specialize in Custom Software Development, Web Development, Artificial Intelligence, Cybersecurity, and more and were launched in 2012.
Clients
Alexander ForbesIndustries
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6$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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7$25,000+10 - 49 employeesSofia, BulgariaRead More
App Streams Ltd is a web development firm. Headquartered in Sofia, Bulgaria, their small team focuses on web development, mobile app development, application testing, ux/ui design, and more. The company was launched in 2018.
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CarsCentralIndustries
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8Undisclosed10 - 49 employeesSofia, BulgariaLaunched in 2018, CodeMerx is a cloud consulting & SI company. Their small team is in Sofia, Bulgaria. Their services include cloud consulting & SI, IT staff augmentation, custom software development, web development, and more.Read More
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9$25,000+10 - 49 employeesSofia, BulgariaRead More
Despark is a digital agency headquartered in London with an office in Sofia, Bulgaria. Since 2007, the team of about 40 has provided expertise in web development, mobile app development and UX/UI design. Despark focuses on clients in various industries including healthcare, financial services and consumer products.
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UNIQAIndustries
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10$10,000+10 - 49 employeesSofia, BulgariaLexis Solutions is an AI Consulting company. The Sofia, Bulgaria-based firm was established in 2017. The small team focuses on AI Consulting, Custom Software Development, Web Development, Mobile App Development, and more.Read More
Clients
Onnoplus.com Kreston Bulmar Reviewhero.io Inoreader.comIndustries
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11$10,000+50 - 249 employeesSofia, BulgariaBased in Sofia, Bulgaria and London, England, BGO Software - The Digital Health Lab is a custom software development firm. The midsize company was founded in 2008. Their services include Custom Software Development, IT strategy consulting, IT managed services, Mobile App Development, and more.Read More
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NHS UK - Department of Health, Roche, LabCorp, IQVIA, Curaden, Ampersand Health, BodySpec and many other HealthTech companies.Industries
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12$25,000+250 - 999 employeesBeograd, SerbiaCivitta is an artificial intelligence development company. They offer Artificial Intelligence, Custom Software Development, cloud consulting & SI, Enterprise App Modernization, and more and were established in 2013. Their midsize team is Yerevan, Armenia-based.Read More
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Global Airlines AI Front Desk BL.INK Franchise RampIndustries
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13$5,000+10 - 49 employeesSofia, BulgariaCleverix - Software Engineering, an Application Testing company, was launched in 2022. The firm focuses on Application Testing, Web Development, Mobile App Development, and UX/UI Design and has a small team.Read More
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14$5,000+10 - 49 employeesSofia, BulgariaWeb Motion is a Sofia, Bulgaria-based software development firm. The small firm was founded in 2009. Their services include custom software development, web development, mobile app development, and Artificial Intelligence.Read More
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15$75,000+250 - 999 employeesСофия, BulgariaRead More
Scalefocus is a provider of custom software solutions with 700+ employees and 7 delivery locations in Bulgaria, North Macedonia, and Türkiye. Founded in 2012, the company partners with clients across various sectors, including IT, Financial Services, Energy & Utilities, Aviation, iGaming, and others. With 500+ successful projects in 26 countries, Scalefocus has delivered transformative results for 300+ clients, including Fortune 500 companies, innovative start-ups, and established leaders.
Clients
CuradenIndustries
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16$50,000+50 - 249 employeesSofia, BulgariaRead More
Established in 2003, Quanterall is a blockchain company. The agency provides blockchain, custom software development, IoT development, mobile app development, and more and has a midsize team. The agency is in Sofia, Bulgaria.
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SAPIndustries
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17$5,000+10 - 49 employeesSofia, BulgariaLaunched in 2013, AGMA Studio is a SEO agency. The agency provides Search Engine Optimization, Pay Per Click, Web Design, Web Development, and more and has a small team.Read More
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WalltopiaIndustries
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18$10,000+10 - 49 employeesSofia, BulgariaRead More
Founded in 2014, Futurist Labs is a headquartered in Silicon Beach and Silicon Valley, Calif. with an international office in Bulgaria. The development agency of 10+ teammates has expertise in custom software development, mobile app development, and web development. The team serves clients across a range of industries from has consumer products and IT to advertising.
Clients
L'OrealIndustries
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19$1,000+10 - 49 employeesSofia, BulgariaRead More
Looming Tech, an app development company, is located in Sofia, Bulgaria and London, United Kingdom. The agency offers mobile app development, web development, custom software development, e-commerce development, and more and has a small team.The agency was founded in 2020.
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Lyst (http://lyst.co.uk/) Which (http://which.co.uk/) Imray Laurie Norie & Wilson (http://imray.com/) Hintsa (https://www.hintsa.com/)Industries
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20$10,000+10 - 49 employeesSofia, BulgariaRead More
Bulcode is a computer software company based in Sofia, Bulgari. Founded in 2016, they employ nine staff who provide a full suite of Drupal services for small and large companies. These services include website development, digital consulting, and support with security and hosting.
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21$5,000+10 - 49 employeesSofia, BulgariaRead More
Afterlogic.works is a full-stack web development agency headquartered in Taganrog, Russia, with a satellite office in Newark Del. Founded in 2002, Afterlogic and their nearly 20 employees primarily offer web development services, but they also provide mobile app development, UX/UI design, and graphic design help.
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MavenirIndustries
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22$25,000+50 - 249 employeesSofia, BulgariaELando AD, a custom software development firm, was founded in 2016. The midsize team specializes in Custom Software Development, IT strategy consulting, cloud consulting & SI, Cybersecurity, and more. The agency is located in Sofia, Bulgaria; Shumen, Bulgaria; Stara Zagora, Bulgaria and Plovdiv, Bulgaria.Read More
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AllianzIndustries
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23$5,000+2 - 9 employeesSofia, BulgariaRead More
EditCreation is a software company founded in 2011 with fewer than 10 experts. Based in Sofia, Bulgaria, they offer custom software, web, and mobile app development solutions for small and mid-market firms in the fields of arts, gambling, and other industries.
Clients
JamadviceIndustries
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24$10,000+10 - 49 employeesSofia, BulgariaRead More
Perspective Unity Ltd. Is a custom software development firm. They are headquartered in Sofia, Bulgaria; Meyrin, Switzerland and Whistler, Canada and have a small team that focuses on Custom Software Development, CRM consulting and SI, UX/UI Design, and Mobile App Development. The firm was established in 2014.
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AT&TIndustries
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25$5,000+50 - 249 employeesSofia, BulgariaRead More
LimeChain is a Blockchain & Web3 solutions company from Sofia, Bulgaria. Founded in 2017, they have a team of 170+ brilliant people renowned for building 250+ next-generation decentralized solutions for enterprises, startups, and protocols. With a deep focus on blockchain infrastructure, decentralized applications (dApps), tokenization, and innovative Web3 integrations, LimeChain delivers end-to-end services, from solution architecture and technical consultancy to full-scale development and delivery of complex projects.
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P&GIndustries
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26$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.
Clients
BayerIndustries
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27$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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28$25,000+2 - 9 employeesSofia, BulgariaSoftaware Ltd. Is a website development company headquartered in Sofia, Bulgaria. The small agency was launched in 2021. Their team specializes in web development, mobile app development, and blockchain.Read More
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29$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
Clients
PlantSnapIndustries
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30$5,000+2 - 9 employeesSofia, BulgariaRead More
Fundamental Studio Ltd. Is a small software development company established in 2016. Their services include custom software development, web development, web design, branding, and more. The agency is headquartered in Sofia, Bulgaria.
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Intellect - Schools of languagesIndustries
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