13+ Best fintech app development companies in 2025

Think about the last time you sent money, checked your balance, or invested from your phone. That seamless moment of convenience is powered by fintech apps, quietly transforming how we mange and grow our money every day.

Form mobile banking and peer-to-peer payments to AI-powered investing and blockchain security, fintech has turned financial services into something faster, safer, and more personal than ever. Choosing the right fintech app development company can determine whether your idea becomes a lasting success or gets lost in the competition.

In this article, we highlight the best fintech app development companies in 2025, explain what makes them stand out, and help you find a partner who can turn your fintech vision into reality.

Fintech app market overview 2025

The fintech industry continues to surge, driven by mobile payments, neobanking, and AI-powered finance tools. According to WiseGuy Research, the global fintech app market was valued at USD 209 billion in 2024 and is projected to reach USD 226.4 billion in 2025, heading toward USD 500 billion by 2035.

This growth reflects a clear shift in consumer behavior – people now expect instant, transparent, and secure financial experiences. Businesses that can deliver these digital-first services will win user trust and long-term loyalty.

For startups and financial institutions, building the right fintech product is no longer optional. The key is choosing a fintech app development company that can combine innovation, compliance, and scalability from day one.

Top 13 best fintech app development companies in 2025

Now that we’ve seen how fast the fintech app market is growing, the next question is: who can help you build the right product?

Here’s a quick look at the top fintech app development companies in 2025, including what they specialize in, how much they charge, and who they’re best suited for.

Company name	Price range	Clutch rating	Years of experience	Fintech specialization
Synodus	$15 – $30/ hr	5.0/5	6+	Blockchain, DeFi, digital banking, and fintech app solutions
UppLabs LLC	$25 – $49/ hr	4.9/ 5	9+	Lending platforms, healthcare fintech, and SaaS products
SDK Finance	$25-$50/ hr	4.7/5	10+	Core baning, payment software, and wallet infrastructure
Uptech	$30-$60/ hr	4.9/5	8+	Mobile banking, investment apps, and product design
Itexus	$30-$60/ hr	4.9/5	9+	Wealth management, insurtech, and AI-driven fintech apps
Appinventiv	$40-$80/ hr	4.8/5	10+	Neobanking, digital wallets, and enterprises fintech solutions
KindGeek	$40-$80/ hr	4.8/5	10+	Fintech platforms, neobanks, and digital lending
Webisoft	$50 – $99/ hr	4.9/5	8+	Blockchain-based fintech apps and digital transformation
ScienceSoft	$50 – $99 / hr	4.8/5	30+	Enterprise fintech, payment system, and analytics
Velmie	$50 – $99 / hr	4.8/ 5	10+	White-label fintech platforms, digital banking, and payments
Nimble AppGenie	$50 – $100/ hr	5.0/5	8+	Mobile wallets, crypto exchanges, and financial management apps
Miquido	$50-$100/ hr	4.9/5	12+	AI fintech apps, personal finance tools, and insurtech
Netguru	$50-$100/ hr	4.8/5	15+	Fintech UX/UI, neobanking, and payment automation

1. Synodus

Synodus is a Vietnam-based software development company specializing in fintech app development, digital banking, and blockchain-powered financial solutions. With over 5 years of experience and 100+ delivered fintech projects, Synodus has become a trusted partner for startups and enterprises seeking fast, secure, and scalable digital finance products.

Their expertise spans across mobile payments, peer-to-peer lending platforms, digital wallets, and DeFi applications, helping businesses modernize how users save, spend, and invest.

What makes them special?  

• Hybrid delivery model and pricing: Synodus uses a hybrid delivery model that combines the flexibility of Agile with the structure of Waterfall, minimizing cost inflation while allowing for adjustments. Paired with their fixed-cost pricing (used in 90% of projects), they deliver fast, cost-effective results, ensuring both flexibility and control within budget. 
• Lean methodology for startups: Allowing clients to accelerate their time-to-market by 2 to 3 times and save up to 63% on MVP development. 
• Rapid onboarding within 14 days: Synodus ensures rapid onboarding within 14 days, reaching out within 24 hours to discuss your goals. A senior business analyst and technical lead will assess your requirements and develop a tailored roadmap. You’ll receive a detailed proposal with a technical assessment within 5 working days, streamlining the onboarding process.

Core fintech services

• End-to-End app development: Covering product discovery, UX/UI design, backend integration, and post-launch support.
• Digital transformation in finance: AI integration, process automation, and customer experience optimization for financial institutions.
• Fintech consulting & compliance: Helping clients assess market fit, meet regulatory requirements, and build scalable architecture.

Check out our Fintech App Development rate card now!

Case study

Synodus’s customer, a promising player in the digital payment industry, was eyeing reaching 3 million users but faced delays with their first e-wallet launch. Synodus stepped in, delivering a secure, blockchain-powered e-wallet with global transfer capabilities and multi-layer security. Leveraging fintech in blockchain, Synodus built a powerful tech stack that ensured scalability and fast transactions. In 4 months, the platform reached 3 million users and formed key partnerships in the fintech space.

2. UppLabs LLC

UppLabs LLC is a Fintech app development company specializing in building innovative and user-friendly mobile and web applications for startups and established businesses. They have experience developing mobile banking apps, investment platforms, and payment processing systems.

What makes them special? 

• Top-rated team members: More than 50% of employees are top-rated on Upwords with over 100+ fintech experts.  
• Third-party software integration: UppLabs specializes in high-quality device and third-party integrations for web and mobile apps, ensuring seamless execution at any project stage. 
• KYx solutions: UppLabs offers comprehensive KYx solutions that streamline the customer onboarding process while ensuring compliance with regulatory standards, thereby enhancing security and trust in fintech applications. 

Services

• Fintech solutions development 
• Web and mobile app development  
• Legacy rebuild  
• Device and third-party software integration 
• Quality engineering & testing  
• IT Consulting

Case study

UppLabs developed a no-code automation platform MVP for Neofin company with a user-friendly interface and seamless application integration, allowing users to automate workflows without coding. The project supported over 30 integrations and successfully launched in 8 countries, with 22+ financial software products built across 5 industries.

3. SDK Finance

Founded in 2015, UK-based SDK Finance offers white-label FinTech solutions for banks and other financial institutions. They specialize in mobile payments, digital banking, peer-to-peer lending, and personal financial management, catering to clients like Barclays and HSBC.

What makes them special?

• API-driven fintech platform: specifically designed for banks and fintech organizations, providing ready-to-use backend infrastructure for digital financial services. 
• SaaS-based model: offering a flexible subscription service that allows businesses to save development time by up to six months. 
• Customizable control: over frontend systems, enabling businesses to manage their own user interface and databases while relying on SDK Finance for backend efficiency.

Services 

• Fintech Software Development 
• E-wallet Development 
• P2P Payment App Development
• Dedicated Development Team

Case study  

SDK Finance collaborated with MPAY, a company with a network of payment kiosks across Azerbaijan and beyond. Transitioning from a cash-focused business to a provider of both offline and online services, MPAY utilized SDK Finance’s software to integrate all terminals into one system. As MPAY expanded its ecosystem and added more services, SDK Finance’s software facilitated a seamless and efficient scale-up.

4. Uptech

Uptech is a prominent international app design and development company that assists Fortune 500 and Inc. 5000 businesses, as well as technology startups, with team extension and end-to-end software development. Rated a top B2B company by Clutch from 2020 to 2022, Uptech turns ideas from napkin sketches into fully developed products, delivering impactful solutions for users and businesses alike.

What makes them special? 

• Efficient UI/UX Design: Uptech reduces design delivery time by 50%, cuts communication time by 25%, and speeds up time to market by 2x. 
• Flexible Staff Augmentation: Easily scale with experienced developers or designers without hiring expenses, whether you need 1 or 5 specialists. 
• Innovative Web Development: Uptech creates secure, scalable websites with intuitive functionality, capable of handling anywhere from 100 to 100,000+ users.

Services 

• Fintech app development: Mobile Payments, Digital Wallets, Peer-to-Peer Lending, and more. 
• Digital transformation for finance: Process Automation, Customer Experience Enhancement. 
• Fintech solution consulting: Needs Identification, Tailor-made Solutions.

Case study 

Dollar Shave Club, launched in 2011, expanded from razors to a full range of grooming products delivered directly to members’ doors. To enhance user engagement, a mobile app was developed featuring account management tools, original content, gift cards, and international shop access. The result was a 4.8 rating on Google Play, a Webby Award for Best Shopping App in 2017, and 97% of users recommending the app.

5. Itexus

Established in 2001, Itexus brings extensive experience to the table, specializing in crafting custom FinTech solutions for banks, insurance companies, and other financial institutions in Poland. They’ve built trust with prominent institutions like ING Bank Śląski and mBank.

What makes them special? 

• Strong emphasis on security: Prioritizes data security and compliance, providing peace of mind in industries where data sensitivity is paramount. 
• Initial free project consultation: Itexus provides a unique initial free project analysis and consultation, lasting one to two weeks, to document requirements and assess feasibility, resulting in detailed project proposals before project kickoff. 
• UI/UX design: emphasizes visual design principles and collaboration between designers and business analysts, ensuring user-friendly products that comply with the latest Apple and Google guidelines, with each screen approved by the client.

Services 

• Fintech Development 
• Fintech Consulting 
• Mobile Banking Development 
• E-Wallet Development 
• Digital Lending Systems Development 
• Fintech UI/UX Design

Case study 

Itexus is currently in the process of developing a mobile banking app for migrants, offering services like early paychecks and microloans. The app is undergoing PCI DSS certification and will soon be available. Plans include an Android version and an online check-cashing feature. The app aims to serve over 30 million users.

6. Appinventiv

Founded in 2014, Appinventiv is an Indian company specializing in custom FinTech mobile apps. They cater to startups and enterprises, providing services like iOS and Android app development, UX/UI design, testing, and app maintenance.

What makes them special?

• Global reach: With a portfolio of 1200+ projects across industries and a global presence, the company has a proven track record of delivering solutions that cater to diverse markets. 
• Faster development timeline: Utilizing an agile and iterative business model, Appinventiv delivers MVP versions of ERP solutions within 2-3 months, with new versions released every 4-6 weeks.

Services

• Fintech Software Development Services 
• Digital Wallet Development 
• P2P Lending Platform Development 
• Accounting Management Software Development 
• Mobile Payment App Development

Case study

Appinventiv partnered with the Americana Group’s KFC to expand their digital presence by launching seven innovative mobile apps across global markets. The result of this partnership led to a 22% increase in conversion rate, an average rating of 4.5 across locations on both the Play Store and App Store, over 50% of the total orders coming through the app, and an over 60% increase in repeat purchases across channels.

7. KindGeek

Established in 2014, KindGeek is a Ukrainian company that leverages blockchain technology to deliver custom FinTech solutions across various industries. Their expertise lies in blockchain software development, consulting, smart contract creation, and blockchain auditing. They have served tech giants like IBM and Deloitte.

What makes them special? 

• Full-cycle software development with a focus on innovation, offering services across various industries like fintech, healthcare, and education. 
• Social responsibility initiatives, including free educational programs (KindGeek School) and community projects like LvivLand to promote local culture.

Services 

• Fintech Software Development Services 
• Full cycle fintech software development from business idea to implementation 
• Digital Banking and Payments 
• P2P Payments 
• TSYS Financial Fraud Management System

Case study 

KindGeek partnered with IFG, an early payment services provider for businesses. They were tasked with developing the UI/UX modules of IFG’s core services, ensuring a smooth customer experience while adhering to the company’s strict brand standards. The team also customized some interfaces to suit the needs of IFG clients.

8. Velmie

Velmie is a fintech software development company specializing in core banking platforms, digital wallets, neobanking, and payment solutions. With over a decade of experience, Velmi empowers financial institutions and startups to launch scalable fintech products with modular architecture, open APIs, and built-in compliance tools. The company’s platform supports fast go-to-market while maintaining enterprise-grade security and flexibility.

What makes them special? 

• Modular fintech platform: Pre-built, customizable core banking and wallet modules for faster go-to-market.
• Compliance-ready architecture: Integrated KYC/AML, PSD2, and GDPR support to meet regulatory standards.
• API-first design: Easy integration with third-party fintech and payment providers.
• End-to-end expertise: From product strategy to deployment and maintenance, ensuring scalability and security.

Services 

• Digital Banking Development: White-label neobanking and core banking platforms.
• E-Wallet & Payment Solutions: Peer-to-peer transfers, merchant payments, and multi-currency wallets.
• Embedded Finance & API Development: Building infrastructure for Banking-as-a-Service and fintech integrations.
• Fintech Consulting: Strategic advisory, UX design, compliance setup, and technology roadmap.

Case study 

A European fintech startup partnered with Velmie to build a white-label digital banking platform for SMEs under a tight 90-day deadline. Using its modular core banking system with built-in KYC/AML and payment integrations, Velmie delivered a compliant MVP in just 3 months. The platform processed over $10M in transactions within the first quarter and helped the client secure Series A funding thanks to its scalability and regulatory compliance.

9. Webisoft

Webisoft is a prominent AI and blockchain development firm based in Montreal, Canada. They provide top-notch blockchain solutions that drive business forward. Their team of experts specializes in developing fast, secure, and efficient blockchain and SaaS apps and websites using cutting-edge technologies like Solana, Ethereum, and the Cosmos based chain. Also, they offer a complete suite of integration, marketing, and maintenance services, making them a source for all development needs.

What makes them special? 

• DevOps excellence: Optimize your software development with tailored DevOps strategies that boost efficiency and foster collaboration among teams. 
• Engaging frontend development: Compnay’s experts design intuitive and visually captivating user interfaces that enhance the user experience across all devices. 
• Advanced document digitization: Convert physical documents into easily accessible digital formats using our cutting-edge OCR solutions, ensuring speed and accuracy.

Services 

• Advisory 
• Blockchain 
• Product development 
• Enterprise software 
• Artificial intelligence (AI)

Case study 

Styllar is an NFT marketplace for avatars on the Terra blockchain, known for its user-friendly design. Within a month of launch, it minted over 10,000 NFTs and features a rarity chart for classification. Styllar gained recognition with a nomination for “Website of the Day” on Awwwards.

10. ScienceSoft

ScienceSoft is a global IT consulting company with a strong focus on Fintech app development. They offer a comprehensive suite of services, including business analysis, UI/UX design, development, testing, and deployment. ScienceSoft is a good choice for companies looking for a one-stop shop for all their Fintech app development needs. They have a proven track record of delivering complex and large-scale Fintech projects.

What makes them special? 

• Focus on DevOps and CI/CD implementation: ScienceSoft emphasizes DevOps to boost collaboration between development and operations. Their CI/CD pipelines speed up software releases and ensure consistent deployments. 
• Operated in diversed industries: have deep nunderstanding and expertise in 30+ industries.  
• Comprehensive end-to-end Services: They provide a full suite of services, from consulting and software development to IT support, ensuring cohesive project lifecycle support for clients.

Services 

• Software development 
• Web & mobile app development 
• Testing and QA 
• Application services 
• UI/UX design 
• Infrastructure service 
• IT services 
• Data analytics 
• Cybersecurity

Case study 

ScienceSoft partnered with AKLOS Health to develop a wearable physiotherapy platform that uses Xsens DOT sensors to track joint motion and therapy progress. This initiative led to a 71% reduction in pain, a 70% decrease in unnecessary surgeries, and a 52% drop in medication usage among users, all achieved within six months of delivering the MVP.

11. Nimble AppGenie

Founded in 2015, Nimble AppGenie is an Indian company passionate about crafting custom FinTech mobile apps for startups and established businesses alike. Their expertise lies in developing top-notch iOS and Android apps, designing user-friendly interfaces, rigorous testing, and ongoing maintenance to ensure your app thrives. They’ve helped clients like Yes Bank and IDFC Bank achieve their mobile FinTech goals.

What makes them special? 

• Agile development process: Utilize an agile methodology that implement CI/CD to streamline production cycles, resulting in a faster development timeline and the ability to release MVPs within 2-3 months, with updates every 4-6 weeks. 
• Lean thinking: Our Lean approach minimizes waste, speeding up delivery and cutting costs. 
• DevOps adoption: DevOps integration accelerates deployment, ensuring high-quality, secure applications with faster market delivery.

Services 

• Mobile App Development 
• Website Development 
• Software Development 
• Blockchain Development 
• Emerging Technology

Case study  

NUJAXX is one of the best case studies for Nimble AppGenie, which is revolutionizing the music streaming landscape in the UK by offering a distinct approach to enjoying your beloved melodies. Accessible on iOS and Android platforms, this application presents a Discover section to delve into fresh music, a personalized My Studio for curated playlists, and an inventive Voucher system.

12. Miquido

Miquido, a Polish software development company established in 2009, is a trusted partner for banks, insurance companies, and other financial institutions seeking customized FinTech solutions. They prioritize transparency, innovation, and delivering effective solutions that drive business success while fostering personal growth and satisfaction among their team members.

What makes them special?

• Cross-platform application development service: Miquido enables businesses to build high-quality iOS and Android apps with a single codebase, reducing costs and development time while leveraging Google technologies for scalable, reliable solutions that accelerate time to market. 
• Top-notch UX solutions: As Bitcoin is predicted to surpass traditional currencies by 2050, Miquido offers outstanding UX solutions that ensure entertaining, visually appealing, and easy-to-navigate products with clear information.

Services

• Custom-Made FinTech Solutions 
• AI and Machine Learning 
• Digitalized and Automated Fintech Solutions 
• Data Security 
• Fraud Detection and Prevention

Case study  

Miquido partnered with GOmobile, a mobile banking application for BNP Paribas, to develop key personal finance modules and integrate mobile payment systems. They introduced innovative features like the GOtravel insurance module and a face recognition service for account opening. The resulting Google app has over a million downloads, a 4.8 average rating, and nearly 150,000 positive reviews.

13. Netguru

Netguru, a Polish company founded in 2008, can be your one-stop shop! They specialize in developing user-centric mobile apps (iOS and Android) and creating custom FinTech solutions for various industries. Their expertise in design, testing, and maintenance ensures your app stays ahead of the curve. They’ve even worked with automotive giants like Volkswagen and BMW.

What makes them special? 

• Design system: The “Netguru Design System” ensures consistent design practices and faster project delivery through improved collaboration. 
• Open source engagement: The company contributes to open-source projects, enhancing credibility and fostering collaboration within the developer community. 
• Fast mobile prototype delivery: Netguru excels in rapid idea validation, delivering a mobile prototype in under 6 weeks. The Neuronest app for Alzheimer’s patient management highlights ability to quickly transform concepts into valuable tools for investors and user feedback.

Services 

• Fintech App Development 
• Custom Software and Mobile Applications 
• Digital Acceleration in FinTech 
• Financial Technology Consulting

Case study  

Netguru collaborated on a project aimed at reimagining the user experience of the Lime Electric Scooter. Their focus was enhancing the app’s design and functionality to create a more user-friendly and efficient experience. This case study demonstrates Netguru’s commitment to delivering innovative and high-quality digital solutions.

The full collection of the 13 best fintech app development companies for 2025 is complete. In the section below, master the crucial tips and tricks to choose the right fintech app company.  

How to choose the right fintech app development vendor

Choosing the right fintech app development vendor can make or break your project’s success. With hundreds of companies claiming expertise in the fintech space, the key lies in evaluating their real capabilities, industry experience, and technology depth rather than relying on marketing promises.

1. Define your goals clearly

Start by outlining what you want to achieve – whether it’s building a neobank, investment app, digital wallet, or BNPL solution. Clear objectives help you communicate better with vendors and evaluate whether they have prior experience delivering similar projects.

Ask yourself:

• What specific problems should my fintech app solve?
• Who are my target users (retail customers, SMBs, or enterprises)?
• What regulations and security standards apply to my market (e.g., PSD2, PCI DSS, GDPR)?

2. Evaluate fintech-specific expertise

A general mobile app developer won’t necessarily understand the complexities of financial systems. Look for vendors that:

• Have built fintech products before (preferably in your niche).
• Understand banking APIs, KYC/AML, digital payments, and open banking protocols.
• Can ensure regulatory compliance across different regions.

Tips: Review their case studies and client portfolios to verify experience in the fintech domain, not just general software projects.

3. Assess technical proficiency and scalability

Fintech apps handle large volumes of sensitive transactions, so technical architecture matters. Your vendor should be proficient in:

• Secure architecture design (data encryption, tokenization, authentication layers)
• Cloud-native scalability using AWS, Azure, or GCP
• Integration with financial data providers (Plaid, SaltEdge, etc.)
• Emerging technologies like AI-based fraud detection, blockchain, or analytics dashboards

Ask them how they ensure system resilience and uptime, especially under transaction spikes.

If you want to understand how a strong fintech infrastructure is built, from the way developers plan the architecture to how they integrate third-party services and ensure scalability, take a look at guide on how to create a fintech app.

4. Consider communication and project management approach

Transparent communication is crucial for long-term success. Evaluate whether the vendor:

• Uses Agile or Scrum methodologies for faster iterations
• Provides regular progress reports and demos
• Offers a clear escalation path for issues

Poor communication often leads to missed deadlines or scope creep – one of the most common pain points in fintech development outsourcing.

5. Check compliance and security competence

Security is non-negotiable in fintech. Make sure your vendor:

• Complies with ISO/IEC 27001 or similar certifications
• Has implemented multi-factor authentication, biometric logins, and fraud detection systems in previous projects
• Can guide you on data privacy regulations applicable to your target region

6. Compare pricing models and hidden costs

Cost shouldn’t be the only deciding factor – but transparency matters. Compare vendors based on:

• Pricing model (fixed-cost, time & material, dedicated team)
• Post-launch support and maintenance fees
• Licensing or third-party integration costs

A vendor offering a slightly higher quote but a stronger fintech portfolio and post-launch support often delivers higher ROI in the long term.

To get a clearer picture of what shapes pricing in fintech projects, from app complexity to compliance requirements, you can explore our detailed guide on fintech app development cost.

7. Look for a partnership mindset

Finally, the best fintech app development vendor acts as a strategic partner, not just a coding provider. They should:

• Offer consulting on user experience and regulatory readiness
• Suggest product enhancements based on industry best practices
• Stay involved after launch to monitor performance and optimize features

Conclusion

Fintech is reshaping how we save, pay, and invest, turning traditional financial services into fast, secure, and accessible digital experiences. The companies behind these apps are not just building software – they are enabling financial inclusion, driving innovation, and setting new standards for convenience and trust.

As technology evolves with AI, automation, and embedded finance, the future belongs to fintech solutions that combine security, scalability, and user-centric design. Choosing the right approach today can define the digital financial landscape of tomorrow.

FAQ