Top 70 Application Modernization Companies in Warsaw
The Best of November 2026Looking for a top legacy modernization service in Warsaw?
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 Warsaw. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Warsaw Enterprise Application Modernization Services
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1$50,000+1,000 - 9,999 employeesWarszawa, PolandVention is an artificial intelligence firm. Founded in 2002, the company is based in New York, New York; London, England; Marietta, Georgia and San Francisco, California. The large team focuses on Artificial Intelligence, Custom Software Development, Enterprise App Modernization, cloud consulting & SI, and more.Read More
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IBM PayPal pwc IC MarketsIndustries
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2$100,000+250 - 999 employeesWarszawa, PolandMidsize software development company Zoolatech, is located in Miami, Florida; Kyiv, Ukraine; Zapopan, Mexico and Istanbul, Türkiye. Founded in 2017, the team specializes in Custom Software Development, Enterprise App Modernization, Artificial Intelligence, E-Commerce Development, and more.Read More
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Pandora is a global jewelry retailer with a large international store network and a growing digital ecosystem supporting customers across multiple markets. Recon Food is a vertical social media platform that brings people together through a shared love of food, dining experiences, and restaurant discovery. Glassdoor is a career community and employer insights platform that helps people research companies, compare salaries, explore jobs, and make more informed career decisions Reddit is a social platform and community network that connects millions of people through discussions, user-generated content, and topic-based communities.Industries
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3Undisclosed1,000 - 9,999 employeesWarszawa, PolandCustom software development company KMS Technology was launched in 2009. Their large team is in Atlanta, Georgia; Thành phố Hồ Chí Minh, Vietnam; Da Nang, Vietnam and Guadalajara, Mexico and specializes in Custom Software Development, Enterprise App Modernization, Artificial Intelligence, Application Testing, and more.Read More
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4$50,000+1,000 - 9,999 employeesWarszawa, 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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5$25,000+250 - 999 employeesWarszawa, PolandKITRUM is a midsize custom software development company located in Miami, Florida and Warszawa, Poland. They offer Custom Software Development, Engineering, Artificial Intelligence, IT staff augmentation, and more and were launched in 2016.Read More
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PawSquad Franatech Ledgerset StackSourceIndustries
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6$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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7$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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8$50,000+50 - 249 employeesWarszawa, PolandDevox Software, a custom software development firm, is based in Miami, Florida; Warszawa, Poland; Kyiv, Ukraine and Lauderdale Lakes, Florida. The agency provides Custom Software Development, Enterprise App Modernization, Artificial Intelligence, and AI Consulting and has a midsize team.The agency was launched in 2018.Read More
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Function4Industries
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9$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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10$10,000+250 - 999 employeesWarszawa, PolandScalo is a custom software development firm founded in 2007. In Wrocław, Poland; Kraków, Poland; Warszawa, Poland and Katowice, Poland, their midsize team provides Custom Software Development, AI Consulting, DevOps Managed Services, Mobile App Development, and more.Read More
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BNP Paribas, Pagaya, ING, Santander, Daimler TB.LX, Zooplus, Tabnine, Backbase, Change DonationsIndustries
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11$25,000+250 - 999 employeesWarszawa, PolandCivitta, an artificial intelligence company, is located in Vilnius, Lithuania; Rīga, Latvia; Chișinău, Moldova and Kyiv, Ukraine. They provide Artificial Intelligence, Custom Software Development, cloud consulting & SI, Enterprise App Modernization, and more and were established in 2013.Read More
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Global Airlines AI Front Desk BL.INK Franchise RampIndustries
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12$50,000+1,000 - 9,999 employeesWarszawa, PolandIT managed services company FlairsTech was established in 2018. The firm provides IT managed services, Custom Software Development, Application Management & Support, Call Center Services, and more and has a large team.Read More
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13$50,000+1,000 - 9,999 employeesWarszawa, PolandRead 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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14$10,000+50 - 249 employeesWarszawa, PolandAI Consulting company Brights is located in Warszawa, Poland; Kyiv, Ukraine and New York, New York. The midsize team provides AI Consulting, Custom Software Development, Enterprise App Modernization, UX/UI Design, and more and was established in 2011.Read More
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Philip Morris Suzuki Microsoft DanoneIndustries
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15$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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16$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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17$50,000+50 - 249 employeesWarszawa, PolandLaunched in 2009, Blackthorn Vision is a custom software development firm. The firm specializes in Custom Software Development, Artificial Intelligence, Enterprise App Modernization, and IT managed services and has a midsize team. The firm is in Wrocław, Poland; Warszawa, Poland and L'viv, Ukraine.Read More
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SensiaIndustries
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18$10,000+50 - 249 employeesWarszawa, PolandCustom software development firm Brocoders was founded in 2014. The company provides Custom Software Development, Artificial Intelligence, cloud consulting & SI, Web Development, and more and has a midsize team.Read More
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iFit - Interactive Fitness & Workout App HeyPractice, an AI-based Learning Platform MoolaX, Smart Cashflow Management Solution Every Pig, Online Logistics Platform for Swine Production IndustryIndustries
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19$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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20$25,000+250 - 999 employeesWarszawa, PolandHelpware Tech is a midsize San Francisco, California-based IT strategy consulting company. They provide IT strategy consulting, IT staff augmentation, Custom Software Development, Web Development, and more and were founded in 2015.Read More
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Google Microsoft PWC CompIQIndustries
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21$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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22$1,000+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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23$10,000+50 - 249 employeesWarszawa, PolandMidsize software development company ObjectStyle, is located in Fairfield, Connecticut; Fairfield, Connecticut and Warszawa, Poland. They specialize in Custom Software Development, Enterprise App Modernization, Microservices Architecture Services, Sports Marketing, and more and were founded in 2002.Read More
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NHLIndustries
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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$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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26$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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27$10,000+10 - 49 employeesWarszawa, PolandRead More
Evergo Partners is a Warszawa, Poland-based ERP consulting and SI company. Founded in 2008, the small team provides ERP consulting and SI, IT strategy consulting, IT managed services, application management & support, and more.
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Ericsson ABIndustries
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28$50,000+250 - 999 employeesWarszawa, 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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29$10,000+50 - 249 employeesWarszawa, PolandSinova Development is an artificial intelligence company. Their midsize team is located in Warszawa, Poland. The company offers Artificial Intelligence, AI Agents, Custom Software Development, Enterprise App Modernization, and more. The company was established in 2021.Read More
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30$25,000+10 - 49 employeesWarszawa, PolandPRAS is a website development company. The small Warszawa, Poland-based company was established in 2011. Their team focuses on Web Development, UX/UI Design, Custom Software Development, Enterprise App Modernization, and more.Read More
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