Top 60 Application Modernization Companies in Warsaw

Software Mind is a global IT services company headquartered in Krakow, Poland, with offices in Warsaw, Rzeszow, and Bielsko-Biala in Poland as well. Founded in 1999, their team of 116 works with clients from startups to enterprises to offer assistance in custom software development, enterprise app modernization, and BI & big data consulting & SI. They mainly work in the medical and financial services industries.

Altkom Software & Consulting, founded in 1998, is a software development company headquartered in Warsaw, Poland, with an additional office in Krakow, Poland. They specialize in custom software development, web development, and application management & support. The company has 130+ employees who work with enterprise, mid-market, and small businesses. The businesses they serve are mostly in the financial services industry. 
 

Innowise Group is a custom software development company based in Warsaw, Poland. With more than 1000 specialists on board and 600 projects completed, they use cutting-edge technologies to transform their client's businesses. They are experts in designing and developing tech solutions that will help your company enhance its processes and increase customer satisfaction, thanks to their 15+ years of experience and extensive expertise. They create custom software to fit your unique requirements in terms of timeline, budget, and use case. They handle every step of the development process, from product concept and development to testing, deployment, and support. In addition to building custom software, we also excel in UX/UI design, IT strategy consulting, and staff augmentation.

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.

SOFTIQ, a custom software development company, was launched in 2015. Their midsize team is headquartered in Gliwice, Poland and Warszawa, Poland. The agency provides custom software development, enterprise app modernization, mobile app development, IT managed services, and more.

ObjectStyle is a custom software development agency founded in the U.S. in 2002. The Warsaw-based Polish subsidiary was established in 2018 and grew significantly ever since. The company specializes in architecting software systems from scratch, modernizing legacy platforms, IT consulting, and IT team augmentation. ObjectStyle works with large and small companies, from startups to Blue Chip corporations, offering an excellent price-to-quality ratio with its services. 

Launched in 2018, Reenbit is a software development company. They are based in L'viv, Ukraine and have a small team. Their services include custom software development, cloud consulting & SI, web development, enterprise app modernization, and more.

Launched 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.

Brainhub is a software development partner for startups, scaleups and enterprises with ambitious product development plans. Founded in 2014, Brainhub is a team of 95 experts in Node.js, ReactJS, .NET, TypeScript and React Native that helped 65+ fintech, edtech, martech, healthcare and gamedev companies scale their web and mobile app development. Recognized as one of the fastest growing companies in Europe by Financial Times, Deloitte and Forbes.

Yojji is a software development firm based in London with an office in Kharkiv, Ukraine. The firm, founded in 2017, has more than 35 employees and provides custom software development, web development, mobile app development, web design, product design, and application testing services. Yojji serves small and larger-sized companies in various industries that include financial services, business services, and health care & medical. 

*instinctools is a custom software development company. They are headquartered in Stuttgart, Germany; Warszawa, Poland; Mississauga, Canada and Wilmington, Delaware and have a midsize team. Their services include Custom Software Development, Web Development, IT strategy consulting, Mobile App Development, and more. The firm was launched in 2000.

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.

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.

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.

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.

FlairsTech, an IT managed services company, is in Montréal, Canada; Cairo, Egypt; Alexandria, Egypt and Warszawa, Poland. Launched in 2010, the large team focuses on IT managed services, Application Management & Support, Enterprise App Modernization, Call Center Services, and 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.

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.

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.

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.

PRAS Europa is a website development company. The small Warszawa, Poland-based agency was founded in 2011. Their services include web development, ux/ui design, custom software development, enterprise app modernization, and 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.

Located in Tallinn, Estonia, What the Flutter is a mobile app development company. The firm offers mobile app development, custom software development, IT staff augmentation, and ux/ui design and is small.The firm was launched in 2018.

Azati Software is a digital services company of 58 employees, founded in 2001. Their headquarters is in Livingston, N.J., with other locations in New York and Grodno, Belarus. They specialize in AI, mobile app development, web development, and custom software development. They primarily serve midmarket and enterprise clients in the healthcare and business industries.

Web development company Finbi is located in Warszawa, Poland. Established in 2018, the small team provides web development, custom software development, enterprise app modernization, mobile app development, and more.

DevOpsi is a software development company founded in Warsaw, Poland in 2020 with fewer than 50 professionals. They are experts in custom software development, application testing, and other application development solutions for various clients.

Blackthorn Vision LLC is a custom software development company that was founded in 2009. Located in Lviv, Ukraine, and Khmelnitsky, Ukraine, they have more than 100 employees who specialize in web and mobile application development, UI and UX design, business analysis, and SaaS. They work with startups, midmarket business and global enterprises in the healthcare, education, oil and gas, travel, and finance industries. 

SkillsForge is a small software development company. Launched in 2022, the agency is located in Warszawa, Poland. Their team focuses on custom software development, web development, mobile app development, Artificial Intelligence, and more.

3e Softrware House is a bespoke software development company based in Warsaw, Poland, with an office in Łódź, Poland. The company, founded in 2001, has more than 60 employees and provides custom software development, web development, application testing, an enterprise app modernization services to enterprise and smaller-sized companies and institutions in the hospitality & leisure, business services, IT, and other industries.

Founded in 2016, Semantive is a custom software development firm. The midsize Warszawa, Poland-based team offers custom software development, enterprise app modernization, IoT development, web development, and more.