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.