Banking software development companies in Poland help financial organizations build and improve digital banking platforms, payment systems, lending solutions, and custom financial applications. This list includes providers with experience in fintech development, enterprise software, integrations, and technologies used by modern financial businesses. The companies were selected based on their relevant software development services and ability to support banking-related technology projects.
1. Itexus
Itexus builds custom fintech and banking software for banks, lenders, and fintech companies. It creates new digital products and modernizes existing systems. Typical projects include digital banking platforms, payment apps, lending software, investment platforms, and financial management tools. Its teams cover the whole lifecycle: business analysis, UX/UI design, development, testing, integrations, and maintenance.
Itexus has built secure financial apps with complex workflows, regulatory requirements, and links to third-party financial services. Choose it if you need a dedicated engineering team for a new banking product or for modernizing a financial platform.
Key Facts
- Best for: Custom banking platforms and fintech product development
- Core services: Banking software development, digital banking software, payment solutions, lending platforms, fintech applications, software modernization
- Specialization: Financial software development, banking workflows, API integrations, mobile and web banking solutions
- Industries: Banking, lending, payments, investment services, insurance
- Location: Warsaw, Poland
- Notable strength: Experience with complex fintech products and long-term software development projects
Contact Information
- Website: itexus.com
- Email: moc.suxeti@ofni
- Address: Twarda 14, 00-824 Warszawa, Poland
- LinkedIn: www.linkedin.com/company/itexus
- Facebook: www.facebook.com/itexus
- Twitter: x.com/ItexusSoft
- Instagram: www.instagram.com/itexus.soft
2. Future Processing
Future Processing builds custom software for finance and other regulated industries. It works on business-critical systems: banking applications, customer platforms, data processing, and enterprise technology.
Its teams handle consulting, architecture planning, development, testing, cloud implementation, and application maintenance. Future Processing has supported digital transformation projects where reliability, security, and integration with existing systems matter.
Banks and financial institutions can hire its teams to build new applications, improve current platforms, or support long-term technology programs.
Key Facts
- Best for: Enterprise banking software development and modernization projects
- Core services: Custom software development, cloud engineering, software testing, IT consulting
- Specialization: Enterprise applications, digital transformation, complex software systems
- Industries: Financial services, healthcare, manufacturing, technology
- Location: Gliwice, Poland
- Notable strength: Experience delivering long-term software engineering projects for large organizations
Contact Information
- Website: www.future-processing.com
- Phone: +48 32 461 23 00
- Email: moc.gnissecorp-erutuf@selas
- Address: Bojkowska 37a, 44-100 Gliwice
- LinkedIn: www.linkedin.com/company/future-processing
- Facebook: www.facebook.com/FutureProcessing
- Instagram: www.instagram.com/futureprocessing
3. Netguru
Netguru builds modern web and mobile applications, including fintech and financial services products. It offers software development, product design, and consulting. Clients use it for customer-facing platforms, digital banking apps, and financial technology products.
Netguru works with startups, scale-ups, and established companies. Its projects need user-friendly interfaces, reliable backends, and integrations with external services. In banking, Netguru designs digital experiences that make customer interactions simpler and more accessible.
Pick Netguru if you want a product-minded team that handles both technical work and digital product strategy.
Key Facts
- Best for: Digital banking products and fintech applications
- Core services: Mobile development, web development, UX/UI design, product consulting
- Specialization: Customer-facing digital platforms and financial applications
- Industries: Fintech, banking, insurance, healthcare, retail
- Location: Poznań, Poland
- Notable strength: Combination of product design and software engineering capabilities
Contact Information
- Website: www.netguru.com
- Email: moc.urugten@olleh
- Address: Nowe Garbary Office Center, ul. Małe Garbary 9, 61-756 Poznań, Poland
- LinkedIn: www.linkedin.com/company/netguru
- Facebook: www.facebook.com/netguru
- Twitter: x.com/netguru
4. STX Next
STX Next is a software developer known for Python, data engineering, and artificial intelligence. It also builds custom business applications. Clients come to it for reliable backend systems, data platforms, and software for complex business processes.
For banks and financial companies, STX Next builds financial data processing, analytics platforms, and automation tools. It also builds applications that need scalable architecture. Its mix of engineering and data skills helps institutions that handle large volumes of information.
STX Next builds custom software rather than ready-made banking products. It fits organizations that need technology built around their own requirements.
Key Facts
- Best for: Data-driven banking applications and custom financial software
- Core services: Python development, AI solutions, data engineering, web applications
- Specialization: Backend systems, analytics platforms, custom enterprise software
- Industries: Finance, technology, healthcare, retail
- Location: Poznań, Poland
- Notable strength: Expertise in Python-based development and data-intensive applications
Contact Information
- Website: www.stxnext.com
- Phone: +44 7887 204459
- Email: moc.txenxts@ssenisub
- Address: ul. Mostowa 38, 61-854 Poznań, Poland
- LinkedIn: www.linkedin.com/company/stx-next-ai-solutions
- Facebook: www.facebook.com/StxNext
- Instagram: www.instagram.com/stx_next
5. 10Clouds
10Clouds builds digital products and custom software for fintech companies, startups, and established businesses. It combines product strategy, UX/UI design, and engineering. Its work includes fintech platforms, digital wallets, payment products, and business applications that need secure architecture and reliable performance.
The company can join at any stage, from product discovery and interface design to backend development and long-term improvements. In banking, 10Clouds builds user-focused financial apps where usability, scalability, and integrations matter.
Key Facts
- Best for: Fintech applications and digital financial products
- Core services: Software development, product design, UX/UI design, mobile and web applications
- Specialization: Custom fintech products, digital platforms, customer-facing applications
- Industries: Fintech, banking, healthcare, SaaS, technology
- Location: Warsaw, Poland
- Notable strength: Combination of product design and software engineering expertise
Contact Information
- Website: 10clouds.com
- Phone: +48 573 173 773
- Email: moc.sduolc01@olleh
- Address: Chmielna 73, 00-801 Warsaw, Poland
- LinkedIn: www.linkedin.com/company/10clouds-com
- Facebook: www.facebook.com/10Clouds
- Twitter: x.com/10clouds
- Instagram: www.instagram.com/10clouds
6. Sii Poland
Sii Poland offers software development and IT consulting for banking, finance, and other regulated industries. It provides dedicated development teams, application modernization, quality assurance, cybersecurity, and technology consulting.
Banks use Sii Poland for extra engineering capacity on complex systems, internal platforms, customer apps, and digital transformation. The company works with many technology stacks and delivery models. You can expand your own team or outsource specific parts of development.
It suits banks and financial enterprises that need outside specialists for ongoing technology programs and system improvements.
Key Facts
- Best for: Enterprise banking technology projects and IT outsourcing
- Core services: Software development, testing, cybersecurity, IT consulting, team extension
- Specialization: Enterprise applications and technology transformation
- Industries: Banking, finance, insurance, healthcare, manufacturing
- Location: Poland
- Notable strength: Wide range of IT engineering services for large organizations
Contact Information
- Website: sii.pl
- Phone: +48 22 486 37 37
- Email: lp.iis@tcatnoc
- Address: Biurowiec Metron, 1, 2, 3 i 7 piętro, al. Niepodległości 69, 02-626 Warszawa
- LinkedIn: www.linkedin.com/company/sii-polska
- Facebook: www.facebook.com/Sii.Polska
- Instagram: www.instagram.com/siipolska
7. Accenture
Accenture builds custom business applications, workflow systems, and technology platforms for complex operations. It works in industries where security, process management, and integration with existing systems matter.
For banks and financial organizations, Accenture builds enterprise applications, automates business processes, and delivers data management solutions. It also modernizes existing software. Its teams study business processes before designing the technical solution, which helps institutions with complex internal operations.
Consider Accenture if you need software built for your processes rather than a standard product, plus long-term development support.
Key Facts
- Best for: Enterprise software and banking process automation
- Core services: Custom software development, cloud solutions, business consulting, application modernization
- Specialization: Business applications and workflow platforms
- Industries: Finance, insurance, healthcare, public sector
- Location: Wrocław, Poland
- Notable strength: Focus on complex business processes and enterprise systems
Contact Information
- Website: www.accenture.com
- Phone: +48 (22) 464 0000
- Address: Przyokopowa 26, Warszawa, Poland, 01-208
8. Software Mind
Software Mind provides software engineering for companies building digital products and enterprise platforms. It offers dedicated teams, custom software development, cloud engineering, and quality assurance.
In banking, Software Mind builds and improves financial applications, backend systems, integrations, and cloud platforms. Businesses bring it in when they need more engineers for complex projects or long-term product work.
It fits financial organizations that want flexible delivery models and experienced developers across many technology areas.
Key Facts
- Best for: Banking software development teams and technology outsourcing
- Core services: Software engineering, cloud development, QA, team extension
- Specialization: Digital platforms, enterprise applications, software modernization
- Industries: Finance, healthcare, technology, telecommunications
- Location: Kraków, Poland
- Notable strength: Flexible engineering teams for long-term software projects
Contact Information
- Website: softwaremind.com
- Address: Al. Jana Pawła II 43B 31-864 Kraków Poland
- LinkedIn: www.linkedin.com/company/software-mind
- Facebook: www.facebook.com/lifeatsoftwaremind
- Instagram: www.instagram.com/lifeatsoftwaremind
9. Elinext
Elinext builds custom software for finance, healthcare, manufacturing, and other industries. It works on enterprise applications, financial systems, integrations, and platforms that need stable performance and long-term maintenance.
For banks, Elinext builds applications for financial operations, reporting, data management, and business process automation. Its teams take projects from first development through testing and ongoing improvements.
Financial institutions can use Elinext for specialized applications that must connect with their existing business infrastructure.
Key Facts
- Best for: Custom financial software and enterprise applications
- Core services: Software development, application modernization, testing, maintenance
- Specialization: Business applications, financial systems, enterprise software
- Industries: Banking, finance, healthcare, manufacturing
- Location: Poland operations
- Notable strength: Experience developing custom software for different business domains
Contact Information
- Website: www.elinext.com
- Phone: +48 22 104 20 98
- Email: moc.txenile@ofni
- Address: Sabały 58, Lokal A1-B1, 02-174
- LinkedIn: www.linkedin.com/company/elinext
- Facebook: www.facebook.com/elinext
- Twitter: x.com/elinext
- Instagram: www.instagram.com/elinext_alliance
10. Boldare
Boldare builds digital products and custom software, covering product development, design, and engineering. It creates web and mobile applications. It helps businesses turn ideas into working platforms and improve existing products.
In banking, Boldare builds customer applications, internal business tools, and digital platforms where user experience and reliable technology matter. Its teams combine product discovery, interface design, and development to fit each business's requirements.
Boldare suits financial organizations that want a product-focused partner for new digital services or better customer experiences.
Key Facts
- Best for: Digital banking products and customer-facing applications
- Core services: Product design, software development, UX/UI design, consulting
- Specialization: Web and mobile products, digital platforms
- Industries: Finance, healthcare, technology, retail
- Location: Gliwice, Poland
- Notable strength: Product development approach combining design and engineering
Contact Information
- Website: www.boldare.com
- Email: moc.eradlob@olleh
- Address: Krucza 50, 00-025 Warsaw, Poland
- LinkedIn: www.linkedin.com/company/boldarecom
- Facebook: www.facebook.com/boldarecom
- Twitter: x.com/boldarecom
- Instagram: www.instagram.com/boldarecom
11. N-iX
N-iX provides dedicated software engineering teams for financial services and other industries. It works on software development, cloud solutions, data platforms, and enterprise applications for complex business operations.
For banks, N-iX works on financial platforms, data processing systems, cloud migration, and automation. It also handles application modernization. Organizations hire its teams when they need more engineers to build and maintain technology.
N-iX fits financial institutions with large-scale projects, especially those involving cloud technologies, analytics, and enterprise software.
Key Facts
- Best for: Large-scale banking technology projects
- Core services: Software engineering, cloud development, data solutions, application modernization
- Specialization: Enterprise platforms, financial technology solutions, digital transformation
- Industries: Banking, finance, insurance, healthcare, technology
- Location: Poland operations
- Notable strength: Experience with distributed software engineering teams
Contact Information
- Website: www.n-ix.com
- Email: moc.xi-n@tcatnoc
- Phone: +442037407669
- Address: Zabłocie 43B, 30-701 Kraków
- LinkedIn: www.linkedin.com/company/n-ix
- Facebook: www.facebook.com/N.iX.Company
- Twitter: x.com/N_iX_Global
12. Miquido
Miquido builds mobile and web applications, customer platforms, and software integrations. Its apps combine user experience design with modern engineering.
In banking and finance, Miquido builds mobile banking apps, customer portals, and payment solutions. It also builds other digital services where usability and performance matter. Its teams cover design, development, testing, and ongoing product improvement.
Choose Miquido if you want a partner experienced in mobile-first apps built for end users.
Key Facts
- Best for: Mobile banking applications and digital financial services
- Core services: Mobile development, web development, UX/UI design, software testing
- Specialization: Mobile products and customer-facing applications
- Industries: Finance, banking, retail, healthcare, technology
- Location: Kraków, Poland
- Notable strength: Experience developing mobile and web digital products
Contact Information
- Website: www.miquido.com
- Phone: +48 536 083 559
- Email: moc.odiuqim@olleh
- Address: Zabłocie 43a, 30-701 Krakow, Poland
- LinkedIn: www.linkedin.com/company/miquido
- Facebook: www.facebook.com/miquido
- Twitter: x.com/miquido
- Instagram: www.instagram.com/miquido
13. Gilzor
Gilzor builds custom software for fintech and financial companies from its Warsaw office. It builds customer-facing web and mobile apps, transaction workflows, payments, and transfers. It also handles identity verification, backend integrations, and modernization of existing financial products. Gilzor also fixes unstable or legacy fintech apps, improving their architecture, transaction processing, or scalability. Banks and financial businesses can use this Poland-based team for both new products and the modernization of existing systems.
Key Facts
- Best for: Custom fintech and digital banking applications
- Core services: Web development, mobile development, backend engineering, integrations, software modernization
- Specialization: Transaction-heavy financial applications and fintech products
- Location: Warsaw, Poland
- Notable strength: Experience with financial workflows involving transactions, transfers, wallets, and identity verification
Contact Information
- Website: www.gilzor.com
- Email: moc.rozlig@stcatnoc
- Address: Poland, Warsaw, Office 58, street Adama Mickiewicza 37, 01-625
- LinkedIn: www.linkedin.com/company/gilzor-softwaredevelopment
14. Spyrosoft
Spyrosoft provides specialized software engineering teams and technology expertise. It works on custom projects involving cloud platforms, enterprise applications, embedded systems, and digital solutions.
For banks and financial organizations, Spyrosoft supplies experienced engineers for system integration, cloud implementation, and application modernization. It helps companies build internal platforms, customer apps, and systems tied to business operations.
Spyrosoft works across many industries. Financial businesses can use it to add engineers to complex software projects.
Key Facts
- Best for: Engineering support for banking technology projects
- Core services: Software development, cloud engineering, data solutions, technology consulting
- Specialization: Enterprise software, cloud applications, specialized engineering
- Industries: Finance, technology, automotive, healthcare
- Location: Wrocław, Poland
- Notable strength: Engineering expertise across different technology areas
Contact Information
- Website: spyro-soft.com
- Phone: +48 500 104 042
- Email: moc.tfos-oryps@eciffo
- Address: pl. Nowy Targ 28, 50-141 Wroclaw
- LinkedIn: www.linkedin.com/company/spyrosoft
- Facebook: www.facebook.com/SpyroSoft
- Twitter: x.com/spyrosoft
15. net-devs
net-devs is a Warsaw software engineering company with a dedicated fintech development practice. It builds financial software for regulated, high-reliability environments. Its engineers account for payment rails, audit trails, encryption, access controls, and data residency. They also plan for transaction recoverability and compliance programs such as PCI. The team covers backend systems, modern frontends, cloud infrastructure, QA, and legacy modernization. It fits banking and fintech projects where transaction reliability and regulation must shape the architecture from day one.
Key Facts
- Best for: Regulated banking and fintech systems
- Core services: Enterprise software development, fintech engineering, cloud engineering, frontend development, QA, modernization
- Specialization: Payment and transaction systems with audit and compliance requirements
- Location: Warsaw, Poland
- Notable strength: Financial software engineering built around reliability, security, and auditability
Contact Information
- Website: net-devs.com
- Phone: +48 571 282 759
- Email: moc.sved-ten@tcatnoc
- Address: Obrzeżna 1D, 02-691 Warszawa, Poland
- LinkedIn: www.linkedin.com/company/net-devs
16. SoftPro
SoftPro is a Warsaw software company working with .NET, ASP.NET Core, Azure, React, cloud technologies, and AI. For fintech businesses, payment platforms, and financial services teams, it provides engineering support or builds the whole product. It also offers custom development, modernization, cloud systems, frontend and backend work, integrations, and long-term support. In banking, SoftPro fits organizations that want a Microsoft-focused team to build or modernize web platforms, internal systems, data integrations, or cloud-based financial apps.
Key Facts
- Best for: Microsoft-based financial and fintech software
- Core services: Custom software development, web applications, cloud development, modernization, AI
- Technologies: .NET, ASP.NET Core, Azure, React
- Location: Warsaw, Poland
- Notable strength: Poland-based Microsoft and Azure engineering capabilities for custom business systems
Contact Information
- Website: soft-pro.pl
- Address: Poland, Warsaw, Mazowieckie Voivodeship, 13 Erasmus Ciołka St. 401
Conclusion
Choosing a banking software development company in Poland depends on the type of financial product, technical requirements, and level of support a business needs. Some providers focus on digital banking platforms and fintech applications, while others offer broader engineering services for enterprise systems, integrations, cloud solutions, and software modernization.
Companies in this list cover different areas of banking technology, from mobile applications and payment solutions to data platforms and complex financial systems. Before selecting a partner, businesses should evaluate relevant industry experience, security requirements, technology expertise, and the ability to support long-term software development needs.