Top Fintech Software Development Companies In 2027
Dominic Tarn
Head Writer - ReVerb
11.15.2026
Last updated: November 2026
Quick answer: The top fintech software development companies in 2027 are Softjourn for payments-first engineering, Relevant Software and DBB Software for focused fintech product teams, DataArt and EPAM Systems for enterprise banking and capital markets, and Intellias, ELEKS, Netguru, Vention and 10Pearls for scalable delivery across banking, lending and wealth products. Pick based on the regulated domain you are building in, not on headcount.
This is our 2027 update of Top Fintech Software And Product Development Companies. Fintech is one of the few software categories where a weak vendor can cost you a license, not just a launch date. The firms below have proven delivery in regulated financial products: payments, digital banking, lending, wealth and insurance.
Fintech Software Development Companies At A Glance
Company
Base
Founded
Specialty
Softjourn
United States and Ukraine
2001
Payments, cards and ticketing platforms
Relevant Software
Ukraine
2013
Banking, payments, lending and wealthtech products
Softjourn has built payment and card software for more than two decades, with engineering teams in Ukraine and a US presence. It suits card programs, payment processing, prepaid and ticketing platforms where the payment flow is the product.
Relevant Software builds banking, payments, lending, payroll and wealthtech products for startups and established firms. It fits teams that want a dedicated product squad with regulated-finance experience rather than generalist developers.
DataArt has worked in financial services for more than 25 years, across trading, banking and payments. It is a strong fit for complex platforms where data, integration and reliability matter more than speed of a first release.
EPAM is a global engineering firm with a large financial services practice. It suits banks and large fintechs modernizing core systems or running multi-year transformation programs.
5. Intellias: Banking Product Engineering At Scale
Intellias builds digital banking, payments and fintech platforms with large engineering teams across Europe. It fits fintechs scaling an existing product that need to add senior capacity quickly.
ELEKS has delivered custom software since 1991, including financial platforms, analytics and AI. It suits fintechs where data engineering and risk models sit at the center of the product.
7. DBB Software: Payments And Compliance Engineering
DBB Software is a Krakow-based firm focused on payments and compliance-heavy builds. It is a good match for smaller, senior-heavy teams building regulated payment products.
Netguru combines product design and engineering and has built banking and fintech apps across Europe. It fits consumer-facing fintechs where user experience drives growth.
Vention, formerly iTechArt, provides dedicated engineering teams to startups and scale-ups, including many fintechs. It suits companies that want to own the product while adding experienced developers.
Founded in 2004, 10Pearls builds software across banking, payments, lending, insurance and wealth management. It suits mid-market firms that want one partner for several financial product lines.
How To Choose A Fintech Software Development Company
Have they shipped in your exact domain?
Payments, lending, banking and trading each have different rules and failure modes. Ask for a case study in your domain, not just “fintech”.
Do they understand your compliance obligations?
PCI DSS, PSD2, SOC 2, KYC and AML should come up in the first call. A partner who treats compliance as a QA step will cost you later.
Who owns the code, cloud accounts and keys?
Make sure your company owns repositories, infrastructure and vendor accounts from day one.
What happens after launch?
Regulated products need ongoing maintenance, audits and incident response. Agree on support terms before the first release.
How We Evaluated
We assessed companies on documented delivery in regulated financial products, depth in specific fintech domains, compliance experience, team scale and delivery model, using company materials, public client reviews and independent shortlists. No company paid to appear on this list.
FAQ
What does a fintech software development company do?
It designs, builds and maintains financial software such as payment systems, banking apps, lending platforms and trading tools, with security and compliance built in.
How much does fintech software development cost?
Simple MVPs can start in the tens of thousands of dollars; regulated platforms with payments, KYC and banking integrations often run into the hundreds of thousands. See our guide to what it costs to build a fintech app.
Should I hire a specialist or a general software firm?
For regulated products, a firm with fintech case studies in your domain usually saves time and compliance risk.
The right fintech partner is the one that has already solved your domain’s hard problems. Shortlist two or three firms from this list with case studies close to your product, then compare their approach to compliance and ownership.
