Top 30 Fintech Software Development Companies In 2025

Modern finance runs on software. The capabilities and limitations of that software have never been more important because they translate directly into the capabilities and limitations of your organisation.

That said, there’s no one-size-fits-all when it comes to FinTech software. Each FinTech software development company mentioned here has different strengths and the best choice for you will depend on a host of factors, such as the scope of your project, your budget and time constraints, and your company’s working culture, to name a few.

That’s why, before you get into our list of top FinTech software companies, there’s a few things you need to consider.

How much experience the fintech development company has

Of course, the ideal case scenario is choosing a company with a proven track record and experience in the field of FinTech. The more projects they have under their belt, the more refined their processes and approach will be, making your experience as a customer smoother.

That experience typically comes with a higher price point, however. Newer fintech software development companies are not without their perks; they can have a fresher perspective and be more agile with procedures, and are less likely to push back on your suggestions.

Considering how many fintech trends are currently reshaping the space, it’s also worth considering whether the company has experience with specific areas like AI that may be of interest to you.

The size of the company

A bigger project will naturally require a bigger team to carry out. You might need a 30+ team of developers on deck to get the job done, in which case a larger company would be a better fit. Keep in mind big companies have more set procedures set before the product can launch, which can slow everything down and incentivise them to prioritise bigger clients.

Smaller teams by contrast tend to be more flexible and can offer highly customised solutions. You’ll need to balance speed, procedures, and capabilities to determine what size is ideal for you.

Company culture

Often overlooked, company culture is a huge factor in the way teams operate. Cultural mismatches aren’t just about convenience, they usually lead to miscommunication, frustration, delays, and overall poorer quality work.

The main cultural aspects you need to consider are:

• The ease of flow of information between teams and within them
• How willing they are to share information and advice you
• Their willingness to take responsibility for mistakes
• How well they work with your team’s existing culture

Project-specific aspects to consider

A custom software development services company might be hyper-focused on particular software niches, such as designing payment platforms or coding in a specific language. Think about your goals and make sure to ask the right questions when looking for a project partner.

User-focused fintech app development

It’s natural for FinTech software development companies to prioritise security and the more technological development process in their work, so it can be easy to forget about the end user. Software that’s difficult to use doesn’t exactly inspire confidence and trust. Bad user interfaces and experiences also lead to more errors and can even discourage employees from using the software as often.

When choosing an app development partner, look for a company with a user-centred approach that can help ensure the resulting software is as enjoyable as it is powerful.

Look Into Their Portfolio and Case Studies

Just because a software developer company has a few successful projects (or even hundreds) under their belt, it doesn't mean they’ll be the best fit for your specific needs. Going through their portfolio and especially case studies they have will give you crucial insight into their processes and expertise.

Make sure they have experience in your particular niche and a diversified portfolio with a variety of financial applications such as banking solutions, mobile apps or transaction platforms, for example.

One last thing to note is that this isn’t a ranked list, it’s simply 30 fintech software development companies you should consider in 2025.

1. Dreamix

Dreamix is a is a custom software development company founded in 2006 and headquartered in Sofia, Bulgaria, bringing over 19 years of proven enterprise software delivery expertise to the fintech sector. In March 2024, Dreamix was strategically acquired by Synechron, a global financial services consulting and technology firm, creating a unique partnership that combines boutique agility with enterprise-scale capabilities across international financial markets.

For CTOs, CIOs, and delivery managers evaluating fintech software development partners, Dreamix offers end-to-end capabilities spanning the complete software development lifecycle—from initial discovery and requirements analysis through architecture design, development, outsourced software testing, deployment, and ongoing platform evolution. This comprehensive approach eliminates the friction and coordination overhead that occurs when multiple vendors handle different stages of product development, ultimately delivering more cohesive and successful fintech solutions.

Industry Expertise and Domain Knowledge

Dreamix brings deep domain expertise across highly regulated industries including aviation, transportation and logistics, healthcare, fintech, ESG (Environmental, Social, and Governance), and RegTech. This cross-industry experience proves particularly valuable for fintech leaders, as our teams apply proven architectural patterns, compliance frameworks, and security best practices from other regulated sectors to financial services implementations.

Our experience in aviation and healthcare - both sectors with stringent regulatory oversight, zero-tolerance for downtime, and complex data protection requirements - translates directly into fintech contexts where similar operational excellence, security rigor, and compliance discipline are non-negotiable. This regulatory DNA means our teams understand not just how to write code, but how to build platforms that withstand regulatory scrutiny, maintain audit trails, and scale securely as transaction volumes grow.

Technical Capabilities and Technology Stack

Dreamix maintains expertise across a comprehensive technology stack enabling us to work with your existing infrastructure while modernising platforms for future scalability. Our technical capabilities include:

Backend Technologies: Java, .NET, Python, Node.js, Spring Boot, and microservices architectures that enable modular, scalable financial platforms

Frontend Development: Angular, React, Vue.js for building responsive, high-performance user interfaces that meet modern customer expectations

Cloud & Infrastructure: Deep expertise in AWS, Azure, and Google Cloud Platform, with proven experience migrating legacy banking systems to cloud-native architectures while maintaining security and compliance

Data & AI/ML: Advanced capabilities in TensorFlow, Spark MLlib, Snowflake, and large language models (LLMs) from OpenAI, Anthropic, and open-source alternatives, enabling intelligent automation, fraud detection, personalised customer experiences, and predictive analytics

DevOps & Automation: Comprehensive CI/CD pipeline implementation, containerisation (Docker, Kubernetes), infrastructure as code, and automated testing frameworks that accelerate deployment velocity while maintaining production stability

Integration Architecture: Extensive experience with REST APIs, GraphQL, gRPC, and event-driven architectures necessary for connecting fintech enterprise platforms workflows with banking systems, payment processors, and third-party financial data providers

Proven track record and industry recognition

Dreamix's excellence has been validated through multiple prestigious industry awards and recognitions:

• Financial Times FT 1000 (2024): Named among Europe's fastest-growing companies, one of only a handful of Bulgarian technology firms achieving this distinction
• Clutch Global Leader Spring 2025: Recognized among the top 15 B2B companies globally in our category, based on verified client reviews and project success
• Clutch 5.0 Rating: Perfect rating maintained across 31+ verified client reviews, reflecting consistent delivery excellence and client satisfaction
• Silver Winner - Globee Awards for Technology 2025: Company of the Year - IT Services category

These independent validations provide CFOs and CEOs with third-party verification that our capabilities translate into measurable business outcomes and sustained client satisfaction.

2. Brainhub

With headquarters in the EU, Middle East, and Africa, Brainhub is an international software development company with a varied portfolio and loads of experience in the FinTech, education, and healthcare industries. Their services include UI/UX design, product development, web and mobile development, consulting, and more.

3. 10Clouds

Trusted by companies across the globe, 10Clouds offer scalable FinTech software development services that cover the entire product development cycle. Specializing in payments infrastructure, they transform digital ideas into impactful products using ReactJS, Python, Node.js, and DevOps.

4. Miquido

Miquido is a full-service software company renowned for its innovative digital solutions. Specializing in mobile and web development, Miquido excels in crafting user-centric applications that drive business growth.

5. Kindgeek

KindGeek is a forward-thinking software development company dedicated to transforming ideas into reality. With a focus on innovation and excellence, KindGeek offers bespoke solutions in web, mobile, and emerging technologies. They also offer services that cover the entire development process, bringing your ideas to life through the latest in tech such as blockchain, AI, and custom bots.

6. Netguru

Netguru is a software development company focused on developing personalized, user-centric products for the fintech sector. With over 700 employees and 15 years of experience, their expertise lies in banking platforms, fintech startup support, banking-as-a-service, investment platforms, and more.

7. DataArt

With over 20 years of experience in the industry, DataArt is a veteran in digital transformation and legacy system modernization. They specialize in data management, insurance software development, cyber security, and digital transformation, to name a few of their services.

8. EffectiveSoft

In fintech, navigating complex data standards demands rigorous adherence to software usability, security, adaptability, and performance. EffectiveSoft partners with financial entities, leveraging industry expertise to ensure error-free solutions. They craft specialized financial software, creating secure digital environments for institutions with precision and reliability.

9. Scalefocus

Scalefocus combines top-notch engineering and industry expertise to help businesses navigate the complex FinTech landscape. Their integrated IT solutions streamline operations and enhance efficiency. With a focus on data quality and innovation, Scalefocus helps you stay ahead of fintech competition while ensuring compliance and security.

10. Hexaview

Hexaview is a US-bad software development company that leverages deep fintech expertise to optimize financial operations. They bridge tech gaps, automate tasks with intelligent apps, and build robust, adaptable tools. Their flagship product, ReportWa, automates reporting for enhanced efficiency and productivity.

11. Vention

Vention is a leading custom software development powerhouse, offering scalable FinTech solutions to startups and tech giants alike. Their seasoned engineering team crafts high-performing web, mobile, and cloud-based applications, ensuring excellence throughout the software development life cycle.

12. ScienceSoft

ScienceSoft, a seasoned fintech firm with 18 years of experience and a team of 750+ professionals, excels in crafting fintech software across diverse finance domains. Their expertise spans banking, payments, lending, investment, and more, incorporating advanced technologies like AI, big data, and blockchain for robust, compliant solutions. They’re known for swift project initiation, timely MVP delivery, and adherence to ISO standards.

13. Orangesoft

Orangesoft is a leading software development company that’s experienced in building successful FinTech applications that meet the needs of the financial industry. Their services include investment, cryptocurrency, and wealth management apps, integrating advanced technologies like IoT, AI, and ML.

14. Innowise

Innowise, an esteemed international software development company, brings extensive expertise in navigating the intricacies of financial operations. Renowned for their innovative solutions, they empower financial institutions to thrive in the digital era while upholding industry standards, ensuring sustained competitiveness.

15. Fireart Studio

Warsaw-based Fireart Studio offers full-cycle product development and utilizes agile methodologies in their processes, ensuring efficiency and transparency throughout their work. Their experience in building all manner of applications means they can build very user-centric fintech software.

16. Sloboda Studio

This software development company specializes in delivering bespoke software for small and mid-sized enterprises. They’re well-known for their RoR expertise and utilizing the latest in AI solutions in their work.

17. Eleks

Eleks is a software development company best known for their expertise in application development and re-engineering. Whether you’re starting from scratch or looking for someone to jump in on an existing project, Eleks is a solid choice.

18. IT Craft

IT Craft has provided expert software development services for more than 20 years of experience. They specialize in customer-centric FinTech software development and know how to bring your ideas to life in the most efficient and effective way.

19. Altamira

Altamira is a FinTech software development company famous for its quick turn-around times and ability to work around tight budgets when crafting digital products. With experience using AI and ML to handle large datasets, they’re able to help even large and complex projects transform data into something usable. Their services cover both web and mobile-based applications.

20. Itexus

Itexus is a software development company that specializes in the financial services industry. With a portfolio of clients in 23 countries, Itexus’s team offers a wide range of software development services - from building custom software to financial product development and fintech consulting.

21. UppLabs

UppLabs boasts a team of expert developers specialized in both mobile and web-based applications with loads of experience in FinTech, real-estate, and the healthcare industry. They work with a wide variety of programming languages alongside offices in 5 countries.

22. Symfa

Symfa is an international software development company for companies in the finance and insurance sector. They deliver enterprise level software solutions and have over 300 successful projects in their portfolio.

23. SDK.finance

SDK.finance was founded in 2013 and is focused on providing PayTech solutions in the finance sector. Their team of seasoned experts can support you in every step of launching your payment product.

24. Appinventiv

Founded in 2015, Appinventiv is most well-known for its inventive and user-centric mobile applications. With a relentless focus on innovation and quality, Appinventiv crafts cutting-edge applications that empower businesses to thrive in the digital age. Their talented team of over 1000 developers has a strong track record in a wide range of mobile app development services.

25. Cleveroad

Cleveroad is a premier software development company specialized in bespoke software solutions spanning web and mobile app development. They boast varied expertise in a range of industries, such as FinTech, logistics, and healthcare.

26. Praxent

Praxent has more than 300 projects under its belt and decades of experience in partnering with companies to support them in digital innovation. With a strong focus on FinTech, real estate, and insurance, Praxent enables organizations to reach their goals through user-centric experiences.

27. Intellectsoft

Intellectsoft is a leader in digital transformation consulting and software development, with clients like Universal, Disney, and the NHS is its portfolio. They offer full-cycle development of mobile, web, and desktop applications, as well as after-sale support.

28. Clarion Technologies

Clarion Technologies is an excellent choice for those looking to cut down on costs without compromising on quality by outsourcing development tasks to a team in India. Clarion’s team is skilled and has a solid track-record of successful projects in FinTech. They offer a wide range of services, from .net and PHP to any type of app development.

29. Diceus

A custom software development company with 250 employees and the ability to quickly scale projects when needed, Diceus’ primary experience comes in fintech, banking, retail, logistics, insurtech, and health-tech products. 

30. Relevant Software

With a primary focus on enterprise-level banking and financial software, Relevant has built everything from blockchain based systems to online trading platforms. With a varied tech stack and over 200 projects delivered, they have plenty of experience for fintech projects.

Further reading: We've recently updated our list and made a new one about 10 Top Fintech App Development Companies for H4 2025, dive in!

Main Takeaways

The fintech software market is constantly evolving and expanding thanks to technological advancements and improvements in how we manage our money.

Before you start looking around for a software development partner, you need to ask yourself what the scope and timeframe of your project is, how your company prefers to operate, and assess your company culture. It’s also important to consider whether you’re willing to work with smaller or newer companies or whether experience is more important?

The FinTech development companies listed here represent innovation, expertise, and commitment to revolutionizing the financial sector. These companies are poised to drive transformative change in the industry and each of them has different expertise.

Why Fintech leaders choose Dreamix?

For CEOs, CTOs, CIOs, and delivery managers selecting fintech software development partners, Dreamix delivers several critical advantages:

Regulatory Expertise: Understanding of European compliance frameworks (GDPR, PSD2) and proven experience in regulated industries translates directly into faster, lower-risk fintech implementations

Technical Excellence: 19-year track record of enterprise software delivery with 95% employee retention ensures your project benefits from experienced professionals, not junior developers learning on your investment

Business Outcome Focus: Product-oriented delivery methodology prioritises measurable business results—revenue growth, cost reduction, customer acquisition—over mere feature completion

Partnership Longevity: Many client relationships spanning 5-10+ years demonstrate our commitment to sustained success beyond individual project deliveries

Transparent Communication: Dedicated Scrum Masters and Product Owners provide executive-level reporting focused on business progress, not technical minutiae that obscure strategic visibility

Competitive Location: Eastern European location delivers 20-30% cost advantages compared to North American development rates while maintaining enterprise-grade quality and convenient time zone overlap for US and European clients

End-to-End Ownership: Comprehensive capabilities spanning digital transformation strategy, design, development, testing, deployment, and ongoing tech maintenance

Whether you're building a neobank platform from scratch, implementing embedded finance capabilities, launching innovative payment solutions, or developing AI-powered financial advisors, Dreamix brings the domain expertise, technical capabilities, and partnership commitment necessary for transforming fintech vision into market-leading reality.