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Top 10 Fintech Software Development Companies in 2025
With over 1,500 fintech development companies in the U.S. alone, finding the right partner can feel overwhelming. Whether you're building a neobank, a DeFi solution, or a SaaS investment tool, selecting a trusted provider is critical. We've reviewed 90+ vendors and shortlisted the top 10 fintech software development companies to help you confidently start your journey.
Fintech Development Market Overview
The fintech software development landscape is experiencing massive growth. The global market is projected to reach $556.58 billion by 2030, driven by digital banking, embedded finance, blockchain, and AI adoption.
Fintech startups and financial institutions alike are partnering with external software vendors to:
Launch MVPs faster
Integrate modern compliance (AML, KYC, MiFID II)
Innovate with AI, blockchain, and biometrics
Enhance UX/UI in financial products
But with so many players in the space, how do you choose the right partner?
Vendor Assessment Criteria
We assessed vendors based on:
Years of experience in fintech
Portfolio diversity and size
Domain-specific knowledge (banking, lending, trading, etc.)
Compliance and security standards (e.g., PCI DSS, GDPR, NYDFS)
Third-party reviews and client feedback
Project management maturity and transparency
Technology stack and innovation (AI, blockchain, cloud-native architecture)
Cost to Build Fintech Software
The cost of developing fintech software ranges from $80,000 to $500,000+ depending on the complexity, feature set, and integrations. Core influencing factors include:
Custom UI/UX design
Backend architecture scalability
Regulatory and compliance needs
APIs for financial data and services
AI-driven components or DeFi protocols
👉 Want a quick estimate? Try this fintech app cost calculator or book a free consultation.
Top 10 Fintech Software Development Companies
1. ScienceSoft
Best for: Custom enterprise-grade fintech platforms
Founded: 1989
HQ: McKinney, TX
Employees: 500+
Clients: RBC Royal Bank, City First Bank, BPC
Key Strengths: 35+ years in tech, full regulatory alignment (SEC, PCI DSS, NAIC)
ScienceSoft is a recognized leader in fintech SaaS, AI-powered analytics, and regulatory-compliant software. Clients praise their consultancy-driven approach and risk-managed project execution.
2. Armada Labs
Best for: SaaS lending solutions
Founded: 2002
HQ: Estero, FL
Employees: 200+
Clients: FIS, Repay, Koalafi
Key Strengths: Cloud-native lendtech, debt collection platforms, credit scoring engines
Armada Labs delivers robust fintech solutions for startups and lenders with a strong focus on compliance and UX for consumer finance platforms.
3. Fingent
Best for: White-label financial service apps
Founded: 2003
HQ: New York City
Employees: 500+
Clients: OneAZ Credit Union, ChargeItPro
Key Strengths: P2P platforms, AML/KYC integration, prebuilt frameworks
Fingent is known for building scalable B2C fintech tools that are fast to deploy, particularly in lending, payments, and real estate.
4. Hexaview Technologies
Best for: AI-powered investment solutions
Founded: 2010
HQ: NYC
Employees: 200+
Clients: Blaze Portfolio, LPL Financial
Key Strengths: WealthTech tools, NLP, and automated financial reporting
Named one of the top 100 WealthTech companies globally, Hexaview focuses on data-driven investment platforms and real-time portfolio engines.
5. Innowise
Best for: Fintech software for the EU market
Founded: 2007
HQ: Warsaw, Poland
Employees: 1,000+
Clients: Sionic, Zero Beta
Key Strengths: GDPR/KYC-compliant solutions, cross-border tax & trading tools
Innowise specializes in fintech solutions tailored for EU regulations, helping U.S. companies scale into European markets.
6. SagTech
Best for: Agile product teams for startups and funded scale-ups
Founded: 2022
HQ: Warsaw, Poland
Employees: 20+
Clients: Multiple funded fintech and e-commerce startups (NDA protected)
Key Strengths: React/Node.js expertise, rapid MVP launches, startup-aligned sprints
SagTech partners with high-growth startups and VC-backed fintechs to build scalable MVPs and modern SaaS platforms. With deep expertise in payment integration, dashboard analytics, and mobile-first UX, SagTech is a trusted ally for companies looking to launch fast and iterate quickly.
They also support AI-enhanced features, including product recommendation engines, fraud detection, and customer insights dashboards.
✅ Ideal for: Founders looking for flexible teams that can go from idea to launch in 12 weeks or less.
7. Itexus
Best for: Investment and capital market analytics
Founded: 2013
HQ: Dover, DE
Employees: 100+
Clients: Investment firms, banks, DeFi protocols
Key Strengths: AI + finance blend, risk management engines
Itexus delivers capital market dashboards, trading bots, and investment strategy tools using machine learning and high-frequency data systems.
8. Praxent
Best for: Fintech SaaS with world-class UX/UI
Founded: 2000
HQ: Austin, TX
Employees: 100+
Clients: Locality Bank, Glen Eagle
Key Strengths: UX-led strategy, rapid prototyping, credit union fintech
Praxent combines user research, lean development, and financial acumen to design standout fintech user experiences, particularly for banking and financial literacy tools.
9. Solulab
Best for: Blockchain-based fintech innovation
Founded: 2014
HQ: Los Angeles, CA
Employees: 200+
Clients: ZeCash, Padgett Law Group
Key Strengths: Web3 + DeFi, crypto wallets, NFT financial utilities
Solulab helps build crypto payment platforms, decentralized lending tools, and blockchain-integrated fintech apps. They're a strong partner for projects seeking transparency, traceability, and tokenomics.
10. 28Stone
Best for: Fintech trading and regulatory tech
Founded: 2011
HQ: NYC
Employees: 200+
Clients: Tradeweb, OpenFin
Key Strengths: Multi-asset platforms, FIX protocols, high-performance trading systems
28Stone develops capital markets software, including trade execution tools and compliance monitors. Perfect for hedge funds, brokers, and investment managers.
Get a Free Consultation
If you're launching a fintech product or upgrading your existing tech stack, choosing the right development company is a make-or-break decision. Whether you're a startup or a Fortune 1000 enterprise, these top fintech development companies bring proven expertise, technical excellence, and financial domain knowledge.
🚀 Need a consultation or cost estimate?
Contact SagTech or any of the companies above to discuss your idea.
