Top 70 Application Modernization Companies in Warsaw
The Best of July 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
-
1$50,000+250 - 999 employeesWarszawa, PolandSoftware development company Zoolatech is headquartered in Miami, Florida; Kyiv, Ukraine; Zapopan, Mexico and Istanbul, Türkiye. The midsize firm was established in 2017. Their team offers Custom Software Development, Enterprise App Modernization, Artificial Intelligence, E-Commerce Development, and more.Read More
Clients
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
-
2$50,000+1,000 - 9,999 employeesWarszawa, PolandVention is an IT staff augmentation company. Their large team is in New York, New York; London, England; Marietta, Georgia and San Francisco, California. The company focuses on IT staff augmentation, Custom Software Development, Web Development, Mobile App Development, and more. The company was launched in 2002.Read More
Clients
IBM PayPal pwc IC MarketsIndustries
-
3$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
Clients
Backbase Baillie Gifford A1 CallcreditIndustries
-
4$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.
Clients
Ministry of Digital Affairs Republic of PolandIndustries
-
5$10,000+50 - 249 employeesWarszawa, PolandBrights is a custom software development firm. The midsize Kyiv, Ukraine-based team specializes in Custom Software Development, Web Development, Enterprise App Modernization, Mobile App Development, and more. The agency was established in 2011.Read More
Clients
Philip Morris Suzuki Microsoft DanoneIndustries
-
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
Clients
BNP ParibasIndustries
-
7$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
Clients
Function4Industries
-
8$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
Clients
CloudBooking Glowi EClou DataloopIndustries
-
9$50,000+250 - 999 employeesWarszawa, PolandGP Solutions is a midsize software development company. Based in Unterschleißheim, Germany; Miami Beach, Florida; Dubai, United Arab Emirates and Warszawa, Poland, the company was founded in 2002. Their team focuses on Custom Software Development, Web Development, Enterprise App Modernization, Web Design, and more.Read More
Clients
Air Canada EF Education First LexisNexis Customers.aiIndustries
-
10$50,000+50 - 249 employeesWarszawa, PolandBlackthorn Vision is a midsize software development company. They provide Custom Software Development, Artificial Intelligence, Enterprise App Modernization, and IT managed services and were established in 2009. The firm is headquartered in Austin, Texas; Warszawa, Poland and L'viv, Ukraine.Read More
Clients
SensiaIndustries
-
11$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
Clients
AllstateIndustries
-
12$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.
Clients
BICSIndustries
-
13$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
Clients
Valapay LTDIndustries
-
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
Clients
Google Microsoft PWC CompIQIndustries
-
15$25,000+250 - 999 employeesWarszawa, PolandCivitta is an artificial intelligence company established in 2013. The midsize Tallinn, Estonia-based team offers Artificial Intelligence, Custom Software Development, cloud consulting & SI, Enterprise App Modernization, and more.Read More
Clients
Global Airlines AI Front Desk BL.INK Franchise RampIndustries
-
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
Clients
LINK4 ERGO Hestia PKO BP NEUCAIndustries
-
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
Clients
NHLIndustries
-
18$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
Industries
-
19$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
Clients
Multi Radiance Medical Loma Lux Laboratories Grand Financial Inc Commercial Capital Group LLCIndustries
-
20$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.
Industries
-
21$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
Industries
-
22$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.
Clients
DB SchenkerIndustries
-
23$25,000+50 - 249 employeesWarszawa, PolandDeployflow is a midsize Bracknell, England-based DevOps Managed Services company. Launched in 2018, the team provides DevOps Managed Services, AI Agents, cloud consulting & SI, Generative AI, and more.Read More
Clients
Zilch Hall Hunter Partnership Strike/Purplebricks PI ConceptIndustries
-
24$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
Industries
-
25$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.
Industries
-
26$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.
Clients
Ericsson ABIndustries
-
27$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.
Clients
SantanderIndustries
-
28$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.
Clients
Among others we have work for: SabreIndustries
-
29$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
Industries
-
30Undisclosed1,000 - 9,999 employeesWarszawa, PolandFounded in 2006, Sii Poland is a custom software development firm. Their large team is headquartered in Warszawa, Poland; Gdańsk, Poland; Wrocław, Poland and Poznań, Poland. Their team offers Custom Software Development, Application Testing, Web Design, IT managed services, and more.Read More
Clients
Sabre Leica Reckitt QiagenIndustries
Get connected with a company for free
Tell us about your project, and we'll match you with vetted companies that meet your requirements.
Get connected with the right company for you
We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.
Schedule ConsultationMost Reviewed App Modernization Service in Warsaw
Check out an App Modernization Service in Warsaw with the most new reviews in the past 12 months.
App Modernization Service
Warsaw
- 11 2 new reviews
- 12 1 new reviews
- 13 1 new reviews
- 14 1 new reviews
- 15 1 new reviews
