Top 100 Application Modernization Companies in Poland
The Best of October 2026Looking for a top legacy modernization service in Poland?
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 Poland. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Poland Enterprise Application Modernization Services
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1$50,000+250 - 999 employeesWrocław, PolandCSHARK is a software development company. The midsize Wrocław, Poland-based company was established in 2014. Their services include Custom Software Development, Enterprise App Modernization, and UX/UI Design.Read More
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Fenergo (Fintech)Industries
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2$10,000+50 - 249 employeesWarszawa, PolandRead More
Eyzee is a custom software development company. The midsize Warszawa, Poland-based agency was established in 2017. Their services include custom software development, enterprise app modernization, cloud consulting & SI, application testing, and more.
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Ministry of Digital Affairs Republic of PolandIndustries
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3$25,000+250 - 999 employeesWarszawa, PolandKITRUM is a Miami, Florida-based Enterprise App Modernization company. The midsize company was established in 2016. Their services include Enterprise App Modernization, Engineering, IT staff augmentation, Custom Software Development, and more.Read More
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PawSquad Franatech Ledgerset StackSourceIndustries
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4$25,000+250 - 999 employeesWarszawa, PolandAltkom Software is a Warszawa, Poland-based custom software development firm. They specialize in Custom Software Development, Mobile App Development, Enterprise App Modernization, and cloud consulting & SI and were launched in 2000.Read More
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BNP ParibasIndustries
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5$25,000+50 - 249 employeesWarszawa, PolandHeadquartered in L'viv, Ukraine; Warszawa, Poland and Markham, Canada, Reenbit is a software development firm. The midsize firm was established in 2018. Their team focuses on Custom Software Development, Artificial Intelligence, BI & big data consulting & SI, Enterprise App Modernization, and more.Read More
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CloudBooking Glowi EClou DataloopIndustries
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6$25,000+50 - 249 employeesRybnik, PolandRead More
Software development company fireup.pro is based in Rybnik, Poland. The agency focuses on custom software development, enterprise app modernization, other IT consulting and SI, and mobile app development and is midsize.The agency was founded in 2013.
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7$10,000+2 - 9 employeesWarszawa, PolandFounded in 2014, WideFix is an Application Management & Support company. Their small team is based in Warszawa, Poland and València, Spain. Their team offers Application Management & Support, Custom Software Development, Enterprise App Modernization, Web Development, and more.Read More
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Worship Online ShopWiredIndustries
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8$10,000+50 - 249 employeesWarszawa, PolandYojji LTD is a website development firm launched in 2017. The midsize Warszawa, Poland-based team specializes in Web Development, Mobile App Development, Custom Software Development, Other Application Development, and more.Read More
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Valapay LTDIndustries
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9$10,000+50 - 249 employeesWarszawa, PolandLaunched in 2020, IT SQUAD is a business consulting company. The agency focuses on business consulting and has a midsize team. The agency is headquartered in Warszawa, Poland.Read More
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LINK4 ERGO Hestia PKO BP NEUCAIndustries
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10$5,000+2 - 9 employeesWrocław, PolandRead More
Vratislavia Software Sp. Z o.o. Is a software development firm. They are in Wrocław, Poland and have a small team. The agency provides Custom Software Development, IT strategy consulting, IT staff augmentation, other IT consulting and SI, and more.
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11$50,000+1,000 - 9,999 employeesKraków, PolandIT strategy consulting company Software Mind S.A. Is in Kraków, Poland; Warszawa, Poland; Rzeszów, Poland and Bielsko-Biała, Poland. Launched in 1999, the large team focuses on IT strategy consulting, cloud consulting & SI, Custom Software Development, AI Agents, and more.Read More
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Backbase Baillie Gifford A1 CallcreditIndustries
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12$10,000+10 - 49 employeesCzęstochowa, PolandCustom software development company Brival was founded in 2015. They are located in Częstochowa, Poland and have a small team. Brival offers Custom Software Development, Enterprise App Modernization, AI Consulting, and Mobile App Development.Read More
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ManifestIndustries
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13$50,000+50 - 249 employeesGliwice, PolandBrainhub is a Gliwice, Poland-based website development firm. They focus on Web Development, cloud consulting & SI, and Enterprise App Modernization and were launched in 2015.Read More
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National Geographic Star Stable GoKong Credit SuisseIndustries
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14$50,000+250 - 999 employeesWarszawa, PolandIn Unterschleißheim, Germany; Miami Beach, Florida; Dubai, United Arab Emirates and Warszawa, Poland, GP Solutions is a software development firm. The midsize team offers Custom Software Development, Artificial Intelligence, Web Development, Enterprise App Modernization, and more. The firm was founded in 2002.Read More
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Air Canada EF Education First LexisNexis Customers.aiIndustries
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15$10,000+10 - 49 employeesKraków, PolandRead More
SKM Group is a development studio based in Kraków, Poland. Founded in 2007, their team of fewer than 50 specializes in custom software, web, e-commerce, and mobile app development services.
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16$5,000+50 - 249 employeesToruń, PolandRead More
Ecom.software is a custom software development firm. Their midsize team is in Toruń, Poland and specializes in custom software development, cloud consulting & SI, enterprise app modernization, ux/ui design, and more. The firm was launched in 2016.
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17Undisclosed1,000 - 9,999 employeesWrocław, PolandIntive is a large Enterprise App Modernization company. The Wrocław, Poland-based company was founded in 1999. Their team provides Enterprise App Modernization, UX/UI Design, Mobile App Development, Application Testing, and more.Read More
Clients
Audi BMW Pockit TandemIndustries
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18$10,000+2 - 9 employeesWarszawa, PolandKosmosKod is a custom software development firm. The small London, England-based team provides Custom Software Development, Mobile App Development, Web Development, Enterprise App Modernization, and more. The firm was launched in 2022.Read More
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19$25,000+250 - 999 employeesWarszawa, PolandAltoros is a midsize Blockchain company. Founded in 2001, the firm is based in Pleasanton, California; Buenos Aires, Argentina; Oslo, Norway and Helsinki, Finland. Their team offers Blockchain, Custom Software Development, Web Development, Enterprise App Modernization, and more.Read More
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AllstateIndustries
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20$25,000+50 - 249 employeesKraków, PolandHeadquartered in Kraków, Poland, Pragmatic Coders is a midsize software development firm. They specialize in Custom Software Development, Artificial Intelligence, Enterprise App Modernization, AI Consulting, and more and were established in 2014.Read More
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Atom BankIndustries
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21$50,000+50 - 249 employeesKraków, PolandRead More
Grape Up is a tech consulting company based in Cracow, Poland with no more than 250 employees. Founded in 2006, they provide custom software development, cloud consulting, and IT staff augmentation services for enterprise-level and mid-market clients alike.
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Porsche AGIndustries
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22$10,000+10 - 49 employeesWarszawa, PolandSoftellar is a small API Development company in Warszawa, Poland and New York, New York. Founded in 2021, the team specializes in API Development, Custom Software Development, Enterprise App Modernization, cloud consulting & SI, and more.Read More
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Multi Radiance Medical Loma Lux Laboratories Grand Financial Inc Commercial Capital Group LLCIndustries
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23$50,000+10 - 49 employeesWrocław, PolandRead More
Accesto is a software development firm headquartered in Wroclaw, Poland. They were founded in 2008, have 11 employees, and specialize in development with PHP, Symfony, and Angular and React JS frameworks. Their solutions include web development, mobile development for Android and iOS, e-commerce development, custom software, and strategic consulting.
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MediaHQIndustries
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24$50,000+50 - 249 employeesWarszawa, PolandRead More
Axamit is a ERP consulting and SI company launched in 2005. In Montréal, Canada; New York, New York and Warszawa, Poland, their midsize team focuses on ERP consulting and SI, e-commerce development, enterprise app modernization, and ecommerce marketing.
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25$25,000+50 - 249 employeesWarszawa, PolandFREYSOFT is an API Development company founded in 2019. The midsize Warszawa, Poland-based team focuses on API Development, Custom Software Development, AI Agents, Artificial Intelligence, and more.Read More
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26$10,000+10 - 49 employeesWrocław, PolandRead More
Codedose is a web applications software house based in Wrocław, Poland and founded in 2013. They comprise 21 employees specializing in Java, bespoke software, database systems, and MuleSoft. They work with small, midmarket, and large companies, particularly in finance, business services, and IT.
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27$50,000+250 - 999 employeesKraków, PolandRead More
The j-labs software specialists team of about 250 developers has delivered IT managed services, custom software development, and enterprise app modernization to clients since their founding in 2008. They are headquartered in Krakow, Poland.
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DB SchenkerIndustries
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28Undisclosed10 - 49 employeesWrocław, PolandCustom software development company Innovation Software is located in Wrocław, Poland. The small team specializes in Custom Software Development, IT managed services, IT staff augmentation, Web Development, and more and was launched in 2015.Read More
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TezeuszIndustries
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29$10,000+50 - 249 employeesWrocław, PolandRead More
FINGO Software House is a custom development provider located in Wroclaw, Poland. Founded in 1999, their team of approximately 75 employees primarily serves midmarket and enterprise-level clients with a particular focus on the finance sector. While their tech stack is very diverse, their specialties are PHP and Linux Server.
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UmaziIndustries
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30$25,000+50 - 249 employeesWarszawa, PolandRead More
Devapo is a small software development company. They specialize in custom software development, cloud consulting & SI, IT strategy consulting, and application management & support and were launched in 2016.
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