Top 70 Application Modernization Companies in Warsaw
The Best of December 2025Looking 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, PolandRead More
Software Mind S.A., an IT strategy consulting company, is headquartered in Kraków, Poland; Warszawa, Poland; Rzeszów, Poland and Bielsko-Biała, Poland. The large team focuses on IT strategy consulting, cloud consulting & SI, Cybersecurity, Custom Software Development, and more and was founded in 1999.
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Backbase Baillie Gifford Branch CallcreditIndustries
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2$50,000+250 - 999 employeesIstanbul, TürkiyeZoolatech is a software development company established in 2017. They are in Miami, Florida; Kyiv, Ukraine; Zapopan, Mexico and Istanbul, Türkiye and have a midsize team. The agency specializes in Custom Software Development, Enterprise App Modernization, Artificial Intelligence, IT staff augmentation, and more.Read More
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Pandora Recon Food Glassdoor RedditIndustries
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3$25,000+50 - 249 employeesWarszawa, PolandDevox Software is a midsize Enterprise App Modernization company established in 2018. Their services include Enterprise App Modernization, Custom Software Development, Artificial Intelligence, and Generative AI. The agency is located in Miami, Florida; Warszawa, Poland; Kyiv, Ukraine and Lauderdale Lakes, Florida.Read More
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Function4Industries
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4$10,000+1,000 - 9,999 employeesWarszawa, PolandRead More
Innowise is a global custom software development and IT staff augmentation company headquartered in Warsaw, Poland. Since its foundation in 2007, the company has delivered projects for enterprises and start-ups in finance, healthcare, manufacturing, e-commerce, energy and other domains. They have a team of over 3,000 in-house software engineers.
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TopconIndustries
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5$50,000+1,000 - 9,999 employeesBudapest, HungaryRead 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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6$10,000+50 - 249 employeesWarszawa, PolandLaunched in 2006, Polcode is an e-commerce development company. The company focuses on E-Commerce Development, Web Development, and Enterprise App Modernization and has a midsize team.Read More
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impak FinanceIndustries
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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$10,000+250 - 999 employeesWarszawa, PolandRead More
Launched in 2000, *instinctools is a software development company. The midsize team specializes in Custom Software Development, Web Development, IT strategy consulting, Mobile App Development, and more. The firm is in Stuttgart, Germany; Warszawa, Poland; Mississauga, Canada and Wilmington, Delaware.
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Daimler Fujitsu Nostrum SpexAIIndustries
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9$25,000+50 - 249 employeesWarszawa, PolandReenbit, a data analytics company, is based in L'viv, Ukraine; Warszawa, Poland and Markham, Canada. The midsize team focuses on BI & big data consulting & SI, Custom Software Development, Enterprise App Modernization, cloud consulting & SI, and more and was founded in 2018.Read More
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CloudBooking Glowi EClou DataloopIndustries
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10$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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11$25,000+250 - 999 employeesHelsinki, FinlandAltoros 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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12$10,000+50 - 249 employeesWarszawa, PolandRead More
App development company Brights was established in 2011. Their midsize team is in Warszawa, Poland; Kyiv, Ukraine and New York, New York. Their services include Mobile App Development, Generative AI, UX/UI Design, Product Design, and more.
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Philip Morris Suzuki Microsoft DanoneIndustries
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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$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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15$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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16$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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17$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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18$25,000+250 - 999 employeesWarszawa, PolandCivitta, an artificial intelligence company, was launched in 2013. Their midsize team is in Vilnius, Lithuania; Rīga, Latvia; Chișinău, Moldova and Kyiv, Ukraine. Their services include 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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19$25,000+50 - 249 employeesWarszawa, PolandRead More
Aligned Code, a enterprise app modernization company, is located in Warszawa, Poland and Palo Alto, California. The midsize company was founded in 2013. Their services include enterprise app modernization, mobile app development, custom software development, web development, and more.
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PepsiCoIndustries
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20$50,000+1,000 - 9,999 employeesWarszawa, PolandFlairsTech is a large IT managed services company. Founded in 2018, the team provides IT managed services, Custom Software Development, Application Management & Support, Call Center Services, and more. The company is in Montréal, Canada; Cairo, Egypt; Alexandria, Egypt and Warszawa, Poland.Read More
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21$50,000+50 - 249 employeesMontréal, CanadaRead 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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22$10,000+10 - 49 employeesWarszawa, PolandRead More
Custom software development company Softellar was founded in 2021. Headquartered in Warszawa, Poland, their small team provides custom software development, web development, ux/ui design, IT strategy consulting, and more.
Clients
Multi Radiance Medical Loma Lux Laboratories Grand Financial Inc Commercial Capital Group LLCIndustries
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23$10,000+10 - 49 employeesWarszawa, PolandWhat the Flutter, an application development company, was launched in 2018. The company offers Mobile App Development, Custom Software Development, IT staff augmentation, Enterprise App Modernization, and more and has a small team. The company is located in Tallinn, Estonia; Middletown, Delaware and Warszawa, Poland.Read More
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24$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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25$25,000+50 - 249 employeesWarszawa, PolandDeployflow is a midsize DevOps Managed Services company launched in 2018. Their team focuses on DevOps Managed Services, IT managed services, cloud consulting & SI, and Enterprise App Modernization. The company is located in Bracknell, England and Warszawa, Poland.Read More
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Zilch Hall Hunter Partnership Strike/Purplebricks PI ConceptIndustries
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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$10,000+50 - 249 employeesWarszawa, PolandRead More
Team Connect Ltd. Is a software development firm in Warszawa, Poland and Gliwice, Poland. Established in 2008, the midsize team specializes in custom software development, IT staff augmentation, IT managed services, enterprise app modernization, and more.
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SantanderIndustries
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29$25,000+50 - 249 employeesWarszawa, PolandRead More
Clurgo is a software development & IT outsourcing company founded in 2014 run by a team of 55 professionals. Based in Warsaw, Poland, the company provides IT staff augmentation, custom software development, and enterprise app modernization solutions. They are proficient in Spring MVC, AngularJS, and other frameworks, and have experience with languages such as Java, JavaScript, and Apex.
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Among others we have work for: SabreIndustries
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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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