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 develops custom fintech and banking software for financial organizations, helping banks, lenders, and fintech companies create digital products and modernize existing systems. The company works on solutions such as digital banking platforms, payment applications, lending software, investment platforms, and financial management tools. Its development teams handle the full software lifecycle, including business analysis, UX/UI design, development, testing, integrations, and maintenance.
Itexus has experience building secure financial applications that require complex workflows, regulatory considerations, and connections with third-party financial services. The company is suitable for organizations looking for dedicated engineering support for new banking products or modernization of existing financial platforms.
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: Żurawia 6/12/lok 766, 00-503 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 provides custom software development services for companies operating in finance and other regulated industries. The company works with organizations that need software engineering support for business-critical systems, including applications connected with banking operations, customer platforms, data processing, and enterprise technology environments.
Its teams cover different stages of software delivery, from consulting and architecture planning to development, testing, cloud implementation, and application maintenance. Future Processing has experience supporting organizations with digital transformation initiatives where reliability, security, and integration with existing systems are important factors.
The company can be a suitable option for banks and financial institutions looking for external engineering teams to build new applications, improve existing 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 creates digital products for businesses that need modern web and mobile applications, including solutions used in fintech and financial services. The company provides software development, product design, and consulting services for organizations building customer-facing platforms, digital banking applications, and financial technology products.
Its teams work with startups, scale-ups, and established companies on projects that require user-friendly interfaces, reliable backend systems, and integrations with external services. For banking-related projects, Netguru focuses on creating digital experiences that simplify customer interactions, improve accessibility, and support business processes through technology.
The company is a relevant choice for financial organizations looking for product-oriented development teams that can support both technical implementation 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 provides software development services with strong expertise in Python development, data engineering, artificial intelligence, and custom business applications. The company works with organizations that need reliable backend systems, data platforms, and software solutions supporting complex business processes.
For banking and financial companies, STX Next can support projects involving financial data processing, analytics platforms, automation tools, and applications requiring scalable architecture. Its teams combine software engineering with data-focused capabilities, which can be useful for financial institutions working with large volumes of information.
The company mainly focuses on custom software development rather than ready-made banking products, making it suitable for organizations that need tailored technology solutions.
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 develops digital products and custom software solutions for fintech companies, startups, and established businesses. The company combines product strategy, UX/UI design, and engineering services to build applications that support financial operations and customer interactions. Its experience includes fintech platforms, digital wallets, payment-related products, and business applications that require secure architecture and reliable performance.
The company works with organizations that need support throughout different stages of software development, from early product discovery and interface design to backend development and long-term improvements. For banking-related projects, 10Clouds can help create user-focused financial applications where usability, scalability, and integration capabilities are important parts of the solution.
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 provides software development and IT consulting services for organizations operating in banking, finance, and other regulated industries. The company supports financial institutions with dedicated development teams, application modernization, quality assurance, cybersecurity, and technology consulting services.
Its banking-related work covers projects where companies need additional engineering capacity for complex systems, internal platforms, customer applications, and digital transformation initiatives. Sii Poland works with different technology stacks and delivery models, allowing organizations to expand their teams or outsource specific parts of software development.
The company can be suitable for banks and financial enterprises that require external specialists for ongoing technology programs, system improvements, and software delivery.
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 develops custom software solutions for organizations that need business applications, workflow systems, and technology platforms adapted to complex operational requirements. The company has experience working with industries where security, process management, and integration with existing systems are important.
For banking and financial organizations, Accenture can support projects involving enterprise applications, automation of business processes, data management solutions, and modernization of existing software environments. Its teams focus on understanding business processes before creating technical solutions, which can be useful for institutions managing complex internal operations.
The company is a potential fit for financial organizations that need tailored software rather than standard products and require support with long-term application development.
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 services for companies building digital products and enterprise platforms. The company helps organizations extend development capabilities through dedicated teams, custom software development, cloud engineering, and quality assurance services.
For banking software projects, Software Mind can support the creation and improvement of financial applications, backend systems, integrations, and cloud-based platforms. Its teams work with businesses that need additional engineering resources for complex technology initiatives or long-term product development.
The company is relevant for financial organizations that need flexible software delivery models and access to experienced developers across different 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 develops custom software solutions for businesses in finance, healthcare, manufacturing, and other industries. The company works on enterprise applications, financial systems, integrations, and software platforms that require stable performance and long-term maintenance.
For banking organizations, Elinext provides development services for applications related to financial operations, reporting, data management, and business process automation. Its teams support projects from initial development through testing and ongoing software improvements.
The company can be considered by financial institutions that need custom software development services for specialized applications and systems that connect with 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 creates digital products and custom software solutions for companies that need support with product development, design, and engineering. The company works on web and mobile applications, helping businesses transform ideas into working digital platforms and improve existing software products.
For banking software projects, Boldare can support the development of customer applications, internal business tools, and digital platforms where user experience and reliable technology are important. Its teams combine product discovery, interface design, and software development to create applications adapted to specific business requirements.
The company may be suitable for financial organizations that need a product-focused development partner for building new digital services or improving existing 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 software engineering services for companies in financial services and other industries that require dedicated technology teams. The company works on software development, cloud solutions, data platforms, and enterprise applications designed to support complex business operations.
For banking organizations, N-iX can contribute to projects involving financial platforms, data processing systems, cloud migration, automation, and application modernization. Its teams work with organizations that need additional engineering resources for developing and maintaining technology solutions.
The company is suitable for financial institutions that require specialized software teams for large-scale projects, particularly those involving cloud technologies, analytics, and enterprise software environments.
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 develops mobile and web applications for businesses that need digital products, customer platforms, and software integrations. The company focuses on creating applications that combine user experience design with modern engineering approaches.
In the banking and financial sector, Miquido can support the development of mobile banking applications, customer portals, payment-related solutions, and other digital services where usability and performance are important. Its teams work across design, development, testing, and product improvement stages.
The company can be a suitable choice for financial organizations looking for a partner experienced in mobile-first solutions and digital applications designed 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 develops custom software for fintech and financial companies from its Warsaw office. Its fintech work covers customer-facing web and mobile applications, transaction workflows, payments, transfers, identity verification, backend integrations, and modernization of existing financial products. The company also works with unstable or legacy fintech applications where architecture, transaction processing, or scalability needs to be improved. This makes Gilzor relevant to banks and financial businesses looking for a Poland-based team that can handle both new product development and 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 software engineering services for companies that need specialized development teams and technology expertise. The company works on custom software projects involving cloud platforms, enterprise applications, embedded systems, and digital solutions.
For banking and financial organizations, Spyrosoft can support software development initiatives requiring experienced engineers, system integration, cloud implementation, and application modernization. Its services are relevant for companies building internal platforms, customer applications, and technology systems connected with business operations.
The company works with organizations across different industries and can support financial businesses that need additional engineering resources for 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-based software engineering company with a dedicated fintech development practice. Its financial engineering work is designed for regulated and high-reliability environments, with attention to payment rails, audit trails, encryption, access controls, data residency, transaction recoverability, and compliance programs such as PCI. The team works across backend systems, modern frontend applications, cloud infrastructure, QA, and legacy modernization. This combination is particularly relevant to banking and fintech projects where transaction reliability and regulatory requirements need to influence the architecture from the start.
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 development company working with .NET, ASP.NET Core, Azure, React, cloud technologies, and AI. Its financial technology offering includes engineering support and end-to-end development for fintech businesses, payment platforms, and financial services teams. The company's broader capabilities cover custom software development, modernization, cloud systems, frontend and backend development, integrations, and long-term support. For banking projects, SoftPro is most relevant where a financial organization needs a Microsoft-focused engineering team to build or modernize web platforms, internal systems, data integrations, or cloud-based financial applications.
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.