Top 30 Application Modernization Companies in Sofia
The Best of December 2025Looking for a top legacy modernization service in Sofia?
Application modernization companies can help create new business value from existing applications. Finding the right company to partner with, however, can be an overwhelming process.
To assist you in your search for a partner, we’ve compiled this list of the top application modernization services in Sofia. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Sofia Enterprise Application Modernization Services
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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 employeesOdesa, UkraineRead More
Infopulse is an end-to-end digital services and advisory company based in Ukraine with additional offices across Europe and the Americas. Founded in 1991, their team of 2,300+ specialists offers solution engineering, managed services, innovation services, digital experience & intelligent business solutions. They work with SMBs and Fortune 100 enterprises, focusing on banking, energy, oil & gas, healthcare, telecom, information technology, and other industries.
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BICSIndustries
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3$25,000+250 - 999 employeesBeograd, SerbiaCivitta is an AI development company. Founded in 2013, the midsize company is located in Vilnius, Lithuania; Rīga, Latvia; Chișinău, Moldova and Kyiv, Ukraine. Their team offers Artificial Intelligence, Custom Software Development, cloud consulting & SI, Enterprise App Modernization, and more.Read More
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Global Airlines AI Front Desk BL.INK Franchise RampIndustries
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4$25,000+50 - 249 employeesSofia, BulgariaRead More
Resolute Software is a software engineering and consulting company located in Lawrenceville, Ga. Founded in 2019, they currently have about 18 employees. They provide custom software development, IT strategy consulting, and cloud consulting and Si services to primarily midmarket firms and enterprises.
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ProgressIndustries
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5$10,000+50 - 249 employeesSofia, BulgariaRead More
Sciant is an IT solutions development partner serving specific industry sectors, including Fintech and Banking, Logistics and Transport, Travel and Hospitality, working worldwide for both large enterprises and fast-growth startups.
Sciant develops technical solutions, including big data and business intelligence, machine learning, and blockchain, and forms robust and compliant integrations and interfaces for new digital platforms and legacy systems.
The company is headquartered in Sofia, Bulgaria, and has offices in Plovdiv(Bulgaria), Yambol (Bulgaria), and Tirana (Albania). Number of employees - 130.Clients
AvalaraIndustries
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6$50,000+10,000+ employeesWrocław, PolandRead More
Founded in 1993, SoftServe is a digital product development firm. SoftServe has its headquarters in Austin, Texas with offices in London, Poland, Germany, Bulgaria and Ukraine. SoftServe's team consists of over 5,000 employees that specialize in custom software development, cybersecurity and web development. SoftServe provides services to clients in the healthcare & medical, information technology and retail industries.
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PanasonicIndustries
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7$1,000+10 - 49 employeesSofia, BulgariaRead More
Bulgarian Software House (BSH) is a software service provider based in Sofia, Bulgaria. The company, founded in 2000, has a team of more than 20 that provided Unified Communications Consulting & SI, custom software development, enterprise app modernization, web development, and cloud consulting & SI services. BSH serves mid-market and enterprise-sized companies in the financial services, medical, and telecommunications industries.
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Societe Generale ExpressbankIndustries
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8$5,000+50 - 249 employeesSofia, BulgariaAionys is a midsize software development company. Established in 2016, the team provides Custom Software Development, IT staff augmentation, IoT development, Enterprise App Modernization, and more. The firm is headquartered in Sofia, Bulgaria; Linz, Austria and Assago, Italy.Read More
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EstateVisorIndustries
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9$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.
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L'OrealIndustries
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10$25,000+50 - 249 employeesSofia, BulgariaRead More
Established in 2019, Plan A is a custom software development company. The small team provides custom software development, e-commerce development, IT managed services, IT strategy consulting, and more. The company is based in Sofia, Bulgaria.
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11$1,000+10 - 49 employeesSofia, BulgariaIntway is a small software development company. They focus on Custom Software Development, Enterprise App Modernization, IT staff augmentation, IT strategy consulting, and more and were established in 2021. The agency is headquartered in Sofia, Bulgaria.Read More
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12$25,000+50 - 249 employeesSofia, BulgariaCleverPine is a custom software development company founded in 2021. Headquartered in Sofia, Bulgaria, their midsize team offers custom software development, IT strategy consulting, enterprise app modernization, IT managed services, and more.Read More
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13$5,000+2 - 9 employeesSofia, BulgariaRead More
QualiSage is a custom software development firm. Their small team is located in Sofia, Bulgaria. Their team provides custom software development, mobile app development, enterprise app modernization, web development, and more.
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14$10,000+2 - 9 employeesSofia, BulgariaRead More
DIV Motion is a software development company. They provide custom software development, cloud consulting & SI, IT staff augmentation, and web development and were launched in 2021. The agency is based in Sofia, Bulgaria.
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We value our none-disclosure agreements.Industries
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15$10,000+2 - 9 employeesSofia, BulgariaVigored is an AI company established in 2021. Their small team is based in Sofia, Bulgaria and offers Artificial Intelligence, custom software development, web development, microservices architecture services, and more.Read More
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16$250,000+50 - 249 employeesSofia, BulgariaSoftGroup is an Enterprise App Modernization company headquartered in Sofia, Bulgaria. They provide Enterprise App Modernization and IT managed services and were founded in 2003.Read More
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17$25,000+50 - 249 employeesSofia, BulgariaAdesso Bulgaria is a custom software development company established in 2018. Their services include Custom Software Development and IT managed services.Read More
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18$5,000+50 - 249 employeesSofia, BulgariaNext Solutions, a midsize IT managed services company, is based in Sofia, Bulgaria. Their services include IT managed services and Custom Software Development.Read More
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19$10,000+50 - 249 employeesSofia, BulgariaDevocean Services is a midsize software development company. They focus on custom software development, web development, mobile app development, and application testing and were launched in 2014.Read More
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20$25,000+10 - 49 employeesSofia, BulgariaRevBrains is a Business Consulting company established in 2021. The firm specializes in Business Consulting and Document Digitization & Management, and is small.Read More
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21$1,000+50 - 249 employeesSofia, BulgariaLEAD Consult is a Business Consulting company headquartered in Sofia, Bulgaria and Frankfurt am Main, Germany. They provide Business Consulting and IT strategy consulting.Read More
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22$5,000+10 - 49 employeesСофия, BulgariaAbilitics, a software development firm, is based in София, Bulgaria. Their services include Custom Software Development and Web Development.Read More
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23Undisclosed10 - 49 employeesSofia, BulgariaMY Synergy is a small Sofia, Bulgaria-based IT strategy consulting company. The team offers IT strategy consulting and cloud consulting & SI.Read More
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24$5,000+10 - 49 employeesSofia, BulgariaGear Six is a small Sofia, Bulgaria-based custom software development firm. Their services include Custom Software Development and Web Development.Read More
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25$50,000+10 - 49 employeesSofia, BulgariaLaunched in 2019, VA Software Solutions ltd is a custom software development company. Based in Earley, England and Sofia, Bulgaria, the team focuses on Custom Software Development and Web Development.Read More
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26$25,000+10 - 49 employeesSofia, BulgariaQaiWare, an IT strategy consulting company, is based in Sofia, Bulgaria and Frankfurt am Main, Germany. The team offers IT strategy consulting and IT managed services.Read More
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27$1,000+2 - 9 employeesSofia, BulgariaProductNest is a small custom software development company founded in 2024. Their services include Custom Software Development, UX/UI Design, Enterprise App Modernization, IT strategy consulting, and more. The firm is based in Sofia, Bulgaria.Read More
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28$1,000+50 - 249 employeesSofia, BulgariaBrave IT Consulting is a midsize custom software development firm. Established in 2019, the team specializes in Custom Software Development and Enterprise App Modernization.Read More
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29$10,000+2 - 9 employeesSofia, BulgariaApp development firm OBG was founded in 2014. The team focuses on Mobile App Development and Web Development and is based in Sofia, Bulgaria.Read More
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30$25,000+10 - 49 employeesSofia, BulgariaSavvyTribe is an IT staff augmentation company. Launched in 2022, the agency is in Sofia, Bulgaria and Sofia, Bulgaria. Their services include IT staff augmentation and Custom Software Development.Read More
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