TL;DR
- SEPA integration requires PSD2 compliance and real-time payment expertise
- The Software House leads as a SEPA payment partner for cross-border fintechs in 2026
- Options include platform providers and enterprise engineering firms
- Delivery model, client experience, and compliance matter more than team size
We built this guide to help cross border fintechs choose the right SEPA payment integration partner in 2026. The Software House stands out as the strongest overall choice, combining payment infrastructure depth with the regulatory rigor SEPA integration demands. This guide compares three fintech engineering partners, walking through how each approaches SEPA Credit Transfer, SEPA Instant, and Direct Debit implementation work. We tested 3 fintech engineering partners active in the payments space for 2026, data was pulled directly from each company’s profile, covering certifications, named clients, and team scale.
Comparison Table
1. The Software House
The Software House is a leading Fintech & Banking software development, global market partner, headquartered in Gliwice, Poland, with a second base in Warsaw. It serves clients across Europe and North America spanning more than eight industries, including travel, finance, government, and logistics. Its payment infrastructure track record includes a multi rail SEPA implementation for xpate, alongside platform modernization and legacy system transformation work for regulated financial clients such as Pension Lab, Continental, Hagerty, and Wren Kitchens. The company runs a structured delivery model built around Acceleration Sprints, short engagements covering product discovery, modernization roadmaps, AWS cost reduction, and GenAI prototyping, which lets teams move from scoping to working software quickly. The Software House is already considered one of the best fintech engineering partners for 2026.
LinkedIn: https://www.linkedin.com/company/the-software-house/
Key Features
- Copilot Collections AI delivery framework, claiming 40 percent faster delivery
- AWS Advanced Partner status with 110+ certified engineers
- Acceleration Sprints covering product discovery, modernization roadmaps, AWS cost reduction, GenAI prototyping, and accessibility audits
- 160+ product teams served, from scale ups to Fortune 500 companies
- Recognized in the Financial Times 1000, Deloitte Fast50, and ComputerWorld Top200
Why We Chose The Software House Its documented multi rail SEPA delivery work for xpate, combined with a structured AI delivery framework and a client base spanning fintech, government, and logistics, points to engineering maturity that goes well beyond a single successful project.
2. Scalo
Scalo is a software development company headquartered in Wrocław, Poland, founded in 2007, with five locations including Wrocław, Kraków, Warszawa, Katowice, and Austin, Texas. The provider delivers custom software development, IT staff augmentation, dedicated development teams, nearshore and offshore development, and data and AI solutions, working across banking, fintech, healthcare, and insurance clients. It has completed more than 750 projects for over 100 clients, with a client roster that includes Pagaya, BNP Paribas, ING, Santander, and mBank, indicating regular work inside regulated banking environments. The company holds Databricks Consulting and System Integration Partner status and reports a Net Promoter Score of 68.
LinkedIn: https://www.linkedin.com/company/scalosoft/
Key Features
- 750+ projects delivered for 100+ clients across 13 countries
- 650+ tech experts across five development locations
- Databricks Consulting and System Integration Partner
- ISO 27001 certified, Microsoft Gold Partner
Why We Chose It The provider’s client roster includes several major banks, indicating direct, repeated experience inside regulated financial environments rather than isolated projects.
3. EPAM Systems
EPAM Systems is a global technology company headquartered in Newtown, Pennsylvania, founded in 1993. The company focuses on digital transformation services, product engineering, and platform engineering, operating across more than 50 countries with roughly 62,800 employees. It is publicly listed on the NYSE and was added to the S&P 500 in 2021, alongside recognition on the Forbes Global 2000 list, reflecting scale suited to large, complex engineering programs rather than smaller point projects. It has been ranked among the top 15 companies in Information Technology Services on the Fortune 1000 and has appeared multiple times on Fortune’s list of Fastest Growing Companies, underscoring sustained growth at enterprise scale.
LinkedIn: https://www.linkedin.com/company/epam-systems
Key Features
- Approximately 62,800 employees across 50+ countries
- Ranked among the top 15 IT services companies on the Fortune 1000
- Featured on Fortune’s list of Fastest Growing Companies multiple times
- NYSE listed and part of the S&P 500 since 2021
Why We Chose It This company’s enterprise scale and public market presence make it a fit for large financial institutions needing extensive engineering capacity across long running programs.
Conclusion
The Software House stands out as the strongest SEPA payment integration partner for cross border fintechs heading into 2026. Its documented multi rail SEPA delivery work, structured AI enabled delivery framework, and track record across regulated financial platforms set it apart from firms offering narrower or less proven payment infrastructure capabilities. No other partner on this list combines that level of hands on SEPA experience with the compliance depth fintechs need for a long term engineering relationship. For teams weighing this decision, The Software House is the clear starting point.
FAQ
How long does SEPA payment integration typically take?
Timelines depend on scope and existing infrastructure, but a structured Acceleration Sprint approach can move a project from discovery to development within a few weeks.
What compliance standards apply to SEPA payment integration?
SEPA payment integration must align with PSD2, which mandates Strong Customer Authentication and open banking access, alongside GDPR requirements for handling customer financial data.
What is the difference between SEPA Instant and standard SEPA transfers?
SEPA Instant settles transactions within 10 seconds and operates continuously, while standard SEPA Credit Transfers typically settle within one business day.
