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Top 10 Fintech Software Development Companies in 2025

As of 2024, more than 1,500 companies are delivering custom fintech software in the U.S. With such a fragmented landscape, selecting a trustworthy fintech development partner may be daunting. To help you pick the best match, we shortlisted 10 financial software development companies worth considering. The list is based on screening 90+ vendors, studying domain-specific ratings, and analyzing client reviews.

Vendor Assessment Criteria

Our research resulted in a list of ten fintech development companies that have the potential to lead your project to success. ScienceSoft was evaluated and included in the list following the same methodology as was applied to the other firms. We vetted the vendors against the following key criteria:

  • Years of experience in fintech software development.
  • The number and scope of fintech projects the company has worked on.
  • Ability to successfully handle custom fintech projects end to end, indicated by the presence of fully managed projects worth $300,000+ in the company's portfolio, client reviews on the vendor's website and trusted third-party platforms, and the maturity of the vendor's project management practices (change management, risk management, reporting, etc.).
  • Awards and recognitions received by the vendor.
  • Ability to create fintech software compliant with global, domain-, and region-specific financial service regulations.

Top Fintech Software Development Companies to Consider

ScienceSoft

  • Founded: 1989
  • Employees: 501–1,000
  • HQ: McKinney, Texas
  • Teams' location: U.S., Poland, Latvia, Lithuania, Finland, Mexico
  • Clients: RBC Royal Bank, City First Bank, BPC, Brush Claims, Frost Insurances, Delap, Cashew, CoolBitX
  • Best for: Fully managed development of custom fintech solutions

ScienceSoft is a financial software development company with 19 years of experience in fintech development and transforming BFSI companies’ operations. The company is a three-year champion in The Americas' Fastest-Growing Companies rating by the Financial Times (2022–2024). ScienceSoft delivers custom fintech solutions for insurance, banking, lending, investment, payment, and corporate finance. The company's portfolio spans automation and analytical systems, web and mobile client apps, online service platforms, DeFi solutions, and specialized insurtech components like 3D models for claim filing and smart contracts for auto-payouts.

ScienceSoft has 35 years of experience in AI and has created ML-powered solutions for insurance fraud detection, intelligent trade automation systems, banking document processing software supported by large language models (LLM), smart virtual assistants, and more.

One aspect that differentiates ScienceSoft from fintech competitors in the eyes of its clients is the company's mature project management culture. ScienceSoft has 60+ project managers and 350+ software engineers and can handle fintech projects end to end. In verified reviews, ScienceSoft's clients praise the vendor's high-value consultancy, solid risk management, and ability to fulfill project goals despite time and budget constraints.

Addressing the BFSI sector's need for compliant digital workflows, ScienceSoft creates fintech software that meets global data protection standards like PCI DSS, region-specific data privacy regulations (NYDFS, CCPA, etc.), and operational rules set by domain regulators (e.g., SEC for investment, NAIC for insurance).

How Much Does It Cost to Build Fintech Software with ScienceSoft?

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Armada Labs

  • Founded: 2002
  • Employees: 201–500
  • HQ: Estero, Florida
  • Teams' location: U.S., Poland, Turkey, Georgia
  • Clients: FIS, Repay, LoanPaymentPro, Koalafi, EPIC Loan Systems
  • Best for: Developing SaaS fintech solutions for lending

Armada Labs has been delivering fintech solutions for over 20 years, with a particular focus on entry-stage services and software development for startups targeting the lending industry. The company's portfolio showcases loan origination and servicing systems, AI-supported credit scoring engines, debt collection solutions, and mortgage brokering platforms. The vendor is experienced in cloud-native financial technologies and creates SaaS solutions on AWS and Microsoft Azure. In their reviews on Clutch, Armada Labs' clients highlight the vendor's mature approach to strategy consulting, UX/UI design, MVP development, and regulatory compliance for complex data processing systems.

Apart from fintech development services, Armada Labs offers its proprietary lendtech products. One example is Paydit, a SaaS platform for debt negotiation and settlement in compliance with FDCPA and TCPA regulations. The product demonstrates the company's ability to create scalable, legally aligned consumer lending solutions.

 

Fingent

  • Founded: 2003
  • Employees: 501–1000
  • HQ: New York
  • Teams' location: U.S., India, Australia
  • Clients: OneAZ Credit Union, TaxSlayer, AEC Advisors, ChargeItPro
  • Best for: Implementing white-label apps for financial services

Fingent is a technology consulting and development firm that offers tailored fintech solutions for enterprises and startups. The company specializes in web and mobile consumer apps, service automation components, peer-to-peer (P2P) platforms, and payment gateways for domains like lending, real estate, banking, and personal finance management. Fingent also offers back-office and client-side financial management solutions for ecommerce, gaming, advertising, non-profit, and Buy Now Pay Later firms.

One thing that differentiates Fingent from other fintech development providers is its offering of pre-built white-label apps and interfaces for financial service operations. The vendor customizes the apps and integrates them with the online services of a client's choice, like AML/KYC, messaging, and crypto payments. Judging by public reviews, this is the key argument in favor of Fingent among traditional finance companies who seek cost-effective digital transformation.

In reviews, some Fingent's clients mention time zone differences with the vendor's tech resources, which may entail communication delays but stress the overall maturity of the company's project management culture.

 

Hexaview Technologies

  • Founded: 2010
  • Employees: 201–500
  • HQ: New York
  • Teams' location: U.S., India
  • Clients: LPL Financial, Blaze Portfolio, BaySys Technology
  • Best for: Developing AI-powered investment software

A provider of fintech software development services for companies in all major BFSI domains, Hexaview Technologies focuses specifically on building advanced digital tools for wealth management and investment. The vendor is recognized among the world's 100 most innovative wealthtech companies for 2023 by FinTech Global. The portfolio on Hexaview's website showcases investment management systems, data-driven portfolio rebalancing engines, capital market data platforms, advisor CRMs, investor portals, and automated trading solutions.

Hexaview Technologies stands out for its domain expertise in investment analytics and integration with third-party financial data sources. In verified reviews, the vendor's wealth management clients stress its value-adding consulting on designing data-heavy planning, visualization, and reporting systems.

The company also has experience with generative AI and natural language processing technologies for investment. Its flagship solution is an intelligent video reporting platform featuring automated 3D visualization of portfolio performance data and voice synthesis for advisors' audio comments.

 

Innowise

  • Founded: 2007
  • Employees: 1,000+
  • HQ: Warsaw, Poland
  • Teams' location: U.S., Poland, Germany, Ukraine, Georgia, Lithuania
  • Clients: Sionic, KEYtec AG, Zero Beta
  • Best for: Creating fintech software for the EU market

Innowise has been providing financial software development services for 16 years. The company specializes in building custom solutions for fintech startups, including payment, financial management, and personal finance apps. They also offer software design and engineering services for banks and investment companies.

Among the solutions launched with the help of Innowise teams are tax management software, financial document processing engines, retail trading apps, and compliance monitoring tools. Based on client reviews, the company has skills in technologies behind intelligent analytics, real-time data processing, biometric security, and crypto payments.

Innowise has experience cooperating with European banks, financial institutions, and fintech startups to develop solutions compliant with GDPR and KYC/AML regulations. This makes Innowise a good match for the US companies looking to create legally aligned fintech software for the EU market. The company has 40+ project coordinators and managers and offers turnkey financial software development.

 

Itexus

  • Founded: 2013
  • Employees: 1–200
  • HQ: Dover, Delaware
  • Teams' location: Poland
  • Best for: Developing investment and risk management technology tools

Itexus has been in the fintech application development and consulting domain since its inception in 2013. The company's custom fintech software offering covers mobile apps, automation systems, and analytics solutions for investment, banking, e-payments, lending, and insurance.

With a strong focus on AI technology for the investment industry, Itexus has earned a reputation as a provider of robust intelligent tools for capital market and portfolio analytics, robo-advisory, and algorithmic trading. The company also has experience in developing specialized risk management solutions like AML investigation systems for DeFi.

Itexus' fintech clients appreciate the vendor's flexible approach to communication and ability to handle innovative projects with a high degree of uncertainty. The company has 6 project managers on board to handle full-cycle developments and 6 consultants to provide traditional finance organizations and startups with the advisory on advanced technology, UX/UI design, security, and integrations.

 

Praxent

  • Founded: 2000
  • Employees: 1–200
  • HQ: Austin, Texas
  • Teams' location: U.S., Mexico, El Salvador, Colombia
  • Clients: Locality Bank, Nymbus, Plinqit, Glen Eagle Advisors
  • Best for: Building fintech SaaS apps where UI/UX is a differentiator

Praxent is a financial technology consulting and engineering firm focused on fintech SaaS design and development. The company delivers digital products for banking, wealth management, insurance, and not-for-profit financial service providers. Praxent's portfolio spans mobile customer apps, web portals, online financial service platforms, financial education solutions, and customer analytics tools.

Specializing in the fintech product digital experience, Praxent stands out for its UI/UX design, rapid prototyping, and front-end development skills, which the vendor's clients often mention in reviews. Startups particularly value Praxent's ability to combine seamless user experience with strong security features.

Praxent relies on its 15 delivery managers to manage fintech projects that involve domestic and nearshore development teams. The company is a member of the Association of Financial Technology and the National Association of Credit Union Service Organizations.

 

Solulab

  • Founded: 2014
  • Employees: 201–500
  • HQ: Los Angeles, California
  • Teams' location: U.S., India
  • Clients: ZeCash, DocTrace, Padgett Law Group, Banco San Juan Internacional
  • Best for: Developing blockchain-based fintech solutions

Solulab is a software development vendor specializing in blockchain-based solutions for the fintech domain and beyond. Clutch named Solulab to its list of Top Web3 Software Development Companies for 2023. The company's expertise in blockchain technology has made it a trusted partner for clients looking to innovate the digital payment, banking, and lending fields. Solulab's competencies in blockchain software design and engineering and the vendor's commitment to service quality are the common praise points in client reviews.

Among the fintech solutions Solulab has delivered are cryptocurrency wallets, crypto trading apps, decentralized lending platforms, blockchain-based loan management systems, and NFT marketplaces. Solulab has taken part in large-scale DeFi projects like the launch of ZeCash protocol, where its team developed a new cryptocurrency, the blockchain network behind it, smart contacts for automated transaction processing, and an ICO landing page.

 

Topflight

  • Founded: 2015
  • Employees: 1–200
  • HQ: Irvine, California
  • Teams' location: U.S.
  • Clients: Bury Capital, Citizen Finance, ALTO Solutions, Coronation Group
  • Best for: Creating consumer-facing mobile fintech apps

Topflight has built a reputation as a developer of consumer-facing mobile applications within fintech. The company specializes in areas like personal finance management, payments, and investment with a focus on blockchain- and AI-supported financial operations. Its portfolio showcases native and cross-platform mobile apps for smart budgeting, retail investment, crypto staking, and GameFI.

Topflight also delivers web apps for fintech firms to manage service operations. For example, the vendor developed a cloud app for financial advisors to manage non-algorithmic recommendations.

The company typically delivers working prototypes for its mobile fintech apps within 6 weeks. In reviews, Topflight's clients praise the provider for its user-centric approach to UX/UI design, which ensures seamless user experiences with the apps across devices. Clients also appreciate Topflight's approach to the security of innovative DeFi solutions.

 

28Stone

  • Founded: 2011
  • Employees: 201–500
  • HQ: New York
  • Teams' location: US, Latvia, Portugal
  • Clients: OpenFin, Tradeweb, Zodiac Capital, InterNex Capital
  • Best for: Developing compliant fintech solutions for trading

As a fintech software development company, 28Stone focuses exclusively on custom solutions for the trading and investment management domains. The company delivers specialized financial software for hedge funds, investment banks, brokers, market venues, and other capital market participants. 28Stone received the Best Agile Initiative 2023 award from the American Financial Technology Awards.

28Stone's offering comprises multi-asset trading systems, algorithmic trading solutions, risk management platforms, and financial data analytics. Based on the vendor's portfolio, it can implement FIX protocols and create cloud-based trade processing systems compliant with financial regulations like MiFID II and Dodd-Frank.

28Stone's focus on capital markets and experience in trading platform modernization make it a reliable partner for capital market software projects. In verified reviews, 28Stone's clients praise the company's approach to consulting and expertise in creating high-performance, data-driven fintech systems.

Want More Details on Our Shortlisting Methodology?

If you're wondering how we approached step-by-step vendor selection, need a tailored quote for your fintech solution, or have any other questions, feel free to contact ScienceSoft’s team.