Top Fintech Software Development Companies

A fintech app might look simple on the screen, but behind every transaction lies a complex system of security, integrations, and financial rules. Building one takes more than a skilled development team.

That’s why finding the right partner matters. The fintech software development companies worth considering are those that can turn complex financial needs into secure, scalable, and easy-to-use products.

To make your search easier, we’ve shortlisted 10 leading providers in 2026. This guide compares their expertise, core services, hourly rates, and key strengths. You’ll also learn what to look for when evaluating potential partners and how to choose one that fits your project and budget.

Top 10 Fintech Software Development Companies at a Glance

The following table offers a quick comparison of established providers serving financial businesses. It includes firms with different strengths, team sizes, and delivery models.

Top 10 Fintech Software Development Companies to Consider in 2026

Below is a closer look at each provider. The profiles cover company background, core services, technology, security credentials, and potential business fit.

1. ScienceSoft

ScienceSoft is a US-headquartered IT consulting and software engineering company founded in 1989. It has served in the financial industry since 2005 and works with businesses across North America, Europe, and other markets.

The company has experience with large financial systems and long project cycles. Its approach combines structured project management with technical and security expertise.

Company Details

• Locations: USA, Mexico, Poland, Latvia, Finland, and other markets
• Founded: 1989
• Team Size: 750+ professionals
• Average Hourly Rate: $50–$99

Core Fintech Services:

• Digital banking and financial platform development
• Payment and transaction management systems
• Lending and insurance software
• Financial data analytics and reporting
• Legacy financial system modernization

Tech Stacks: Java, .NET, Python, JavaScript, React, Angular, AWS, Azure, and SQL technologies.

Compliance: ISO 9001:2015, ISO/IEC 27001:2022, ISO/IEC 27701:2019, and ISO 13485:2016 certified. The company also supports compliance with PCI DSS, GDPR, and other financial security requirements.

Why Choose ScienceSoft?

ScienceSoft suits organizations with complex financial systems and strict security needs. Its long record in enterprise delivery makes it worth considering regulated projects and modernization programs.

For businesses seeking a fintech development company with broad consulting skills, ScienceSoft offers both planning and engineering support.

2. Saigon Technology

Saigon Technology is a Vietnam-based software engineering company founded in 2012. It serves international clients through development centers in Vietnam and offices in overseas markets.

The company has worked with startups, growing businesses, and larger enterprises. Its offshore model gives clients access to engineers while offering several ways to manage projects.

Company Details

• Locations: Vietnam, USA, Australia, Singapore, and other international offices
• Founded: 2012
• Team Size: 400+ engineers
• Average Hourly Rate: $26–$49

Core Fintech Services:

• Digital banking and financial applications
• Payment platform development and integration
• Lending and wealth management software
• AI and financial data analytics
• Financial system modernization and maintenance

Tech Stacks: .NET, Java, Python, Node.js, React, Angular, Flutter, AWS, Azure, and AI frameworks.

Compliance: ISO 9001:2015 and ISO/IEC 27001:2022 certified, supporting quality management and information security practices.

Why Choose Saigon Technology?

Saigon Technology is suitable for businesses seeking flexible engineering capacity and competitive rates. It offers dedicated teams, staff augmentation, fixed scope projects, and Build Operate Transfer arrangements.

Companies considering fintech software development from Vietnam may find its delivery model useful for scaling teams while keeping costs manageable.

3. Kindgeek

Kindgeek is a Ukrainian software development firm founded in 2013. It places a strong focus on financial technology and works with businesses building digital financial products.

The company combines product planning, design, and engineering. Its financial industry focus makes it a relevant option for firms that need both technical and business insight.

Company Details

• Locations: Lviv, Ukraine
• Founded: 2013
• Team Size: 50–249 employees
• Average Hourly Rate: $50–$99

Core Fintech Services:

• Digital banking platforms
• Payment and financial applications
• Lending and personal finance products
• Product design and user experience
• Financial API development and integration

Tech Stacks: Java, JavaScript, React, Angular, Spring, Node.js, Swift, Kotlin, and AWS.

Compliance: ISO 9001:2015 and ISO 27001 certified. The company also develops financial solutions aligned with PCI DSS and GDPR requirements.

Why Choose Kindgeek?

Kindgeek is a strong option for teams that value a clear product focus. Its experience in financial applications can help businesses plan features around real customer needs.

It is worth reviewing when comparing fintech software development companies in Europe, especially mobile banking and financial product design.

4. ELEKS

ELEKS is an international software engineering and technology consulting company founded in 1991. It has deep roots in Ukraine and maintains its group headquarters in Estonia.

ELEKS works on complex enterprise projects that require careful planning, data management, and strong technical controls. Its global delivery network supports organizations across several industries.

Company Details

• Locations: Estonia, Ukraine, Poland, UK, Germany, USA, and other markets
• Founded: 1991
• Team Size: 2,000+ specialists
• Average Hourly Rate: $50–$99

Core Fintech Services:

• Banking and financial platform modernization
• Data engineering and financial analytics
• AI and intelligent automation
• Cloud migration and system integration
• Cybersecurity and software quality engineering

Tech Stacks: Java, .NET, Python, JavaScript, React, AWS, Azure, and modern data platforms.

Compliance: ISO 9001:2015 and ISO/IEC 27001:2022 certified, with a completed SOC 2 Type II audit. These credentials support quality management, information security, and data protection.

Why Choose ELEKS?

ELEKS is well suited to large organizations with complex systems and demanding technical needs. Its consulting experience can support long programs that involve several teams and platforms.

Businesses seeking an experienced fintech software development firm may value its enterprise focus and documented security controls.

5. Azumo

Azumo is a US-based software engineering company founded in 2016. It works with clients through teams in North and South America, with a focus on AI and custom applications.

Its delivery model supports collaboration across US business hours. This can make planning, feedback, and product changes easier for North American clients.

Company Details

• Locations: San Francisco, USA; Rosario, Argentina
• Founded: 2016
• Team Size: 50–249 employees
• Average Hourly Rate: $25–$49

Core Fintech Services:

• Custom financial applications
• AI-powered financial workflows
• Data processing and analytics
• Application modernization
• Cloud and API integration

Tech Stacks: Python, JavaScript, React, Node.js, AWS, Azure, and machine learning frameworks.

Compliance: SOC 2 Type I and Type II attestations reported by the company, supporting secure data management and development practices.

Why Choose Azumo?

Azumo may be a practical choice for businesses that need AI skills and close communication with engineering teams.

For organizations exploring AI fintech software development, its engineering focus is useful for projects involving smart workflows, data analysis, and automation.

6. Praxent

Praxent is an Austin-based technology consulting and engineering company founded in 2000. Unlike general software vendors, it places a strong focus on financial services.

Praxent works with organizations that want to improve digital customer experiences without replacing every existing system. This focus is valuable for established financial firms with older technology.

Company Details

• Locations: Austin, Texas, USA
• Founded: 2000
• Team Size: 50–249 employees
• Average Hourly Rate: $50–$99

Core Fintech Services:

• Digital banking experiences
• Financial customer portals
• Insurance technology solutions
• Legacy system integration
• Financial mobile application development

Tech Stacks: .NET, C#, Java, React, Node.js, React Native, Python, and cloud platforms.

Compliance: SOC 2 Type II attested, with documented security controls and compliance materials available through its official Trust Center.

Why Choose Praxent?

Praxent is particularly suitable for financial organizations that want better customer experiences while keeping their core systems.

Among the best software development firms for fintech, it stands out for its industry focus and expertise in connecting new applications with older platforms.

7. TechTIQ Solutions

TechTIQ Solutions is a Singapore-headquartered software development company established in 2017. It combines project management in Singapore with engineering resources in Vietnam.

The company serves clients across several industries, including finance. Its delivery approach aims to balance communication, product quality, and development costs.

Company Details

• Locations: Singapore and Vietnam, with international consulting support
• Founded: 2017
• Team Size: 350+ engineers, as reported by the company
• Average Hourly Rate: $25–$49

Core Fintech Services:

• Custom financial software applications
• Digital payment solutions
• Financial web and mobile development
• AI integration and process automation
• API development and system maintenance

Tech Stacks: JavaScript, React, Node.js, .NET, Python, and mobile and cloud technologies.

Compliance: ISO 9001:2015 and ISO/IEC 27001:2022 certified, supporting quality management and information security practices.

Why Choose TechTIQ Solutions?

TechTIQ Solutions offers an option for businesses seeking cost control with regional project oversight. Its Singapore and Vietnam setup may appeal to clients operating across Asia.

As a fintech outsourced software development company, it supports dedicated teams, staff augmentation, and fixed scope delivery for different project stages.

8. Appinventiv

Appinventiv is an Indian software engineering and digital product company founded in 2015. It works with clients across global markets and employs a large technology team.

The company has experience building mobile and enterprise applications. Its delivery structure can support projects that need different technical skills at the same time.

Company Details

• Locations: India, USA, UK, UAE, Australia, and Canada
• Founded: 2015
• Team Size: 1,600+ technology professionals
• Average Hourly Rate: $25–$49

Core Fintech Services:

• Digital banking applications
• Payment and digital wallet solutions
• Lending and financial management platforms
• AI-powered financial applications
• Enterprise application modernization

Tech Stacks: Swift, Kotlin, Flutter, React Native, Java, Python, Node.js, AWS, and Azure.

Compliance: ISO 9001, ISO/IEC 27001, and CMMI Level 3 certified or appraised, with SOC 2 Type II attestation. The company also supports PCI DSS and GDPR requirements.

Why Choose Appinventiv?

Appinventiv suits businesses that want a large delivery team with broad mobile and enterprise skills.

Its experience in fintech app software development makes it worth considering for customer facing applications that need smooth design and reliable performance.

9. Hexaview Technologies

Hexaview Technologies is a technology engineering company founded in 2010. It has a US presence and works with clients in financial services and other regulated industries.

The company places emphasis on data systems, cloud platforms, and modernizing older applications. Its work is relevant to financial firms that depend on reliable information flows.

Company Details

• Locations: New York, USA, with delivery operations in India
• Founded: 2010
• Team Size: 250–999 employees
• Average Hourly Rate: $25–$49

Core Fintech Services:

• Wealth management technology
• Financial data engineering
• Cloud migration and modernization
• Financial system integrations
• Quality engineering and automation

Tech Stacks: Java, .NET, Python, cloud technologies, Microsoft Fabric, and data engineering tools.

Compliance: ISO 9001 and ISO 27001 certified, with SOC 2 Type I attestation reported in the company’s official press release.

Why Choose Hexaview Technologies?

Hexaview is worth reviewing for financial businesses that need better data systems and modern infrastructure.

It can be a useful fintech software development provider for projects focused on wealth technology, analytics, and older system upgrades.

10. Simform

Simform is a software engineering company founded in 2010. It works with organizations through teams in the United States, India, and other international locations.

Simform has a broad engineering focus that covers cloud platforms, applications, and digital transformation. Its approach is relevant to businesses planning for long term product growth.

Company Details

• Locations: USA, India, Canada, UAE, and other markets
• Founded: 2010
• Team Size: 1,000–9,999 employees, listed directory range
• Average Hourly Rate: $25–$49

Core Fintech Services:

• Financial web and mobile applications
• Cloud platform engineering
• API integration and modernization
• Data analytics and AI solutions
• Product testing and DevOps

Tech Stacks: React, Node.js, Java, Python, .NET, Flutter, AWS, Azure, and Google Cloud.

Compliance: Simform supports financial applications aligned with ISO 27001, SOC 2, PCI DSS, HIPAA, and GDPR requirements. Organization-level certifications should be confirmed directly with the company.

Why Choose Simform?

Simform is a suitable option for companies that need cloud skills and scalable engineering resources.

Its broad technical experience can support custom fintech software development projects that require regular updates, new integrations, and ongoing product growth.

How We Selected the Best Fintech Software Development Companies

We evaluated these providers using their published capabilities, financial industry focus, security information, and independent client feedback. The criteria help buyers compare technical fit and business value rather than relying on popularity alone.

How to Choose the Right Fintech Software Development Company

Selecting a development partner requires more than comparing rates. You need a team that understands your product, handles sensitive information responsibly, and can support future changes.

1. Evaluate Experience in Your Fintech Niche

Look for vendors with proven work in your specific financial market. A banking application has different needs from an insurance platform or digital wallet.

Ask each fintech custom software development company to share relevant case studies. Focus on the problems it solved, not just the features it built.

2. Verify Security and Regulatory Expertise

Security should be part of the project plan from the start. Ask how the vendor handles encryption, access controls, testing, and audit records.

A reliable custom fintech software development company should explain which requirements apply to your product. It should also clarify who owns compliance tasks during development.

3. Review Relevant Projects and Client Feedback

Study completed projects that match your expected scope and complexity. Look for clear outcomes, such as faster processing, improved reliability, or lower operating costs.

You should review both positive and negative client feedback. Pay close attention to communication, missed deadlines, and issue resolution.

4. Assess Technical and Integration Capabilities

Financial software often connects with banks, payment providers, identity services, and internal systems. Poor integration planning can create delays and security risks.

Ask potential partners how they approach custom software development for fintech and integration testing. Confirm they can work with both your current technology and planned upgrades.

5. Compare Pricing and Engagement Models

Compare complete proposals rather than hourly rates alone. A lower rate may not mean lower total costs if delivery takes longer.

A fintech software development agency should explain its estimates, team structure, payment terms, and process for scope changes.

6. Consider Communication and Long-Term Support

Choose a team that offers clear reporting, regular meetings, and reliable access to project leaders. Communication becomes more important when teams work across time zones.

If you plan to use fintech software development outsourcing, confirm who maintains the software after launch. Agree on response times, security updates, and support responsibilities.

What Services Do Fintech Software Development Companies Offer?

Most providers support several stages of financial product development. Their offerings range from early product planning to system upgrades and long-term maintenance.

Common fintech software development services include:

• Digital banking development: Building customer portals, mobile banking apps, and account management systems.
• Payment software: Creating payment gateways, digital wallets, transfer systems, and transaction tools.
• Lending platforms: Developing loan applications, credit workflows, repayment tracking, and risk assessment features.
• Wealth management: Building investment dashboards, portfolio tools, and financial reporting systems.
• AI and analytics: Using data models for fraud detection, customer support, and financial forecasting.
• Blockchain applications: Developing digital asset platforms, smart contract workflows, and transaction records.
• Compliance technology: Creating tools for identity checks, fraud monitoring, and
• Cloud modernization: Updating older financial applications and connecting them to modern infrastructure.

Some providers also offer fintech blockchain software development for specific digital asset use cases. These projects need careful legal review, secure architecture, and strong testing.

A capable fintech solutions software development company should help buyers choose services based on actual business needs. Not every financial product needs AI, blockchain, or a complex cloud setup.

How Much Does Fintech Software Development Cost?

The cost of fintech software development depends on product scope, team location, security requirements, and integration needs. A basic financial application will usually cost much less than a large banking platform.

The following hourly ranges are broad market planning estimates, not fixed vendor quotes.

For project budgets, a basic fintech MVP may cost around $30,000–$90,000. An application that moves money or connects with banking partners may require $60,000–$165,000. More complex platforms can exceed $300,000.

The final price depends on features, security controls, third-party integrations, team size, and compliance scope.

A fixed-price contract works best when requirements are clear. Time and materials contracts offer more flexibility when features may change during development.

Also budget for security audits, API subscriptions, cloud infrastructure, maintenance, and regulatory reviews. These expenses may fall outside the initial development quote.

Common Mistakes to Avoid When Hiring a Fintech Development Partner

Hiring the wrong development team can lead to delays, security problems, and expensive changes. Several common mistakes are easy to avoid with proper planning.

• Choosing only by price: Low rates can become costly when the team lacks financial experience.
• Ignoring security early: Adding required controls late can force major design changes.
• Skipping technical reviews: A vendor may have strong sales materials but limited experience with your systems.
• Leaving requirements unclear: Weak project scope can lead to disputes, delays, and budget overruns.
• Overlooking ownership and support: Contracts should define source code ownership, documentation, and post-launch duties.

When comparing fintech software development agencies, request a technical proposal and a clear delivery plan. Ask each provider to explain risks, responsibilities, and expected outcomes.

A good partner should identify potential problems early and explain how it plans to address them.

Find More Fintech Software Development Companies on Software Outsourcing Journal

The companies listed above are a great starting point, but the right partner depends on your project needs, budget, and preferred location.

Software Outsourcing Journal is a company directory platform that helps businesses discover and compare software development providers worldwide. You can explore company profiles, review their services, industry expertise, and technical capabilities, and identify potential partners that match your requirements. Our platform makes it easier to explore your options and build a shortlist.

Ready to find your next development partner? Visit Software Outsourcing Journal to discover more companies and make a more informed hiring decision.

Final Thoughts

Choosing among the best fintech software development companies requires more than comparing prices and technical skills. The right partner should understand financial workflows, security requirements, and your long-term business goals.

Start by defining your product needs, budget, and compliance obligations. Then compare relevant experience, client feedback, delivery methods, and support capabilities.

A reliable development partner can help reduce technical risks, improve product quality, and build financial software that supports future growth.