13+ Best fintech app development companies in 2025

Standing at the intersection of finance and technology, fintech companies are leveraging cutting-edge technology to provide innovative financial solutions. They specialize in creating robust, secure, and user-friendly applications that cater to various financial needs, from digital payments and peer-to-peer lending to insurance tech and robo-advising.

In this post, we will provide details about the best fintech app development company for 2025, along with the benefits and highlighted services that these companies offer. At the same time, we also help you choose the right fintech app company. Now, let’s explore more in the sections below.

Top 13 best fintech app development companies in 2025

Here is a table featuring the top 10 FinTech app development companies in 2025. It provides an overview of the market, including each company’s price range, Clutch review ratings, FinTech focus percentage, and years of experience. The companies are listed in ascending order, based on their hourly rates. 

*These companies were selected using several criteria: each has at least 100 employees, high ratings on Clutch, and a minimum of 5 years of experience, ensuring they possess the necessary market knowledge to successfully manage your project. 

Company name	Price range	Clutch rating	Fintech focus (%)	Years of experience
Synodus	$15 – $30/ hr	5.0/5	40%	5+
UppLabs LLC	$25 – $49/ hr	4.9/ 5	30%	10+
SDK Finance	$25-$50/ hr	4.7/5	20%	5+
Uptech	$30-$60/ hr	4.9/5	30%	10+
Itexus	$30-$60/ hr	4.9/5	60%	10+
Appinventiv	$40-$80/ hr	4.8/5	10%	10+
KindGeek	$40-$80/ hr	4.8/5	70%	10+
Webisoft	$50 – $99/ hr	4.9/5	70%	8+
ScienceSoft	$50 – $99 / hr	4.8/5	45%	30+
STX Next	$50 – $99 / hr	4.7/ 5	40%	19+
Nimble AppGenie	$50 – $100/ hr	5.0/5	100%	5+
Miquido	$50-$100/ hr	4.9/5	40%	15+
Netguru	$50-$100/ hr	4.8/5	40%	10+

1. Synodus

Synodus has been one of the leading providers of IT consulting and software development services for more than four years of dedication and development. With a portfolio that encompasses more than 100 fintech app projects, such as digital banking, e-wallet solutions, cryptocurrency exchange white label services, P2P lending platforms, and more, they have solidified their reputation for excellence within the fintech sector.

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.

Services

• Fintech app development: Mobile payments, Peer-to-peer lending, Personal finance management, Blockchain solutions, Defi development service.
• Digital transformation in the Finance industry: Process automation, Harnessing data analytics, and enhancing customer experience.  
• Consulting for Fintech solutions: Assessing needs, Strategizing, and Implementing solutions. 

Check out our Fintech App Development rate card now!

One of the most successful Fintech case studies:   

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 launch. Synodus stepped in, delivering a secure, blockchain-powered e-wallet with global transfer capabilities and multi-layer security. Using a powerful tech stack, Synodus 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. STX Next

STX Next is a global IT consulting firm that specializes in customer-focused software services and AI-driven solutions. By working with diversed firms from many industries such as FinTech, AdTech, and eCommerce, the company has strong expertise in creating tailored solutions from cutting-edge technologies to drive customers’ growth and success. STX Next prioritizes seamless collaboration, acting as a single point of contact to meet the unique needs of its clients.

What makes them special? 

• Advanced generative AI: Expertise in technologies like Large Language Models (LLMs), RAG solutions, and conversational search engines enhances client solutions. 
• Industrialization of AI applications: Focus on predictive maintenance and analytics to boost operational efficiency and reduce downtime. 
• Hyperpersonalization: Implementation of tailored strategies to deliver customized user experiences that drive engagement and loyalty.

Services 

• AI & Data: AI strategy and consulting, machine learning, data engineering 
• Cloud: cloud strategy and consulting 
• Design: Product design, production design, concept design and prototyping 
• Technology and consulting: Python expertise, product development, quality assurance, technology stack

Case study 

Man Group aimed to improve its digital infrastructure for better operational efficiency and support diverse investment strategies. STX Next developed 16 advanced applications that provided portfolio managers with tools for data aggregation, risk prediction, and resource assessment. Their expertise led to a consistent user interface and customizable dashboards, enhancing workflows and user experience.

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

When choosing a development provider for your fintech project, three key factors will help you assess if they are the right fit: Ability to deliver, market & industry experience, and approach to cooperation.

1. Ability to deliver

Fintech expertise

• API integration: Look for vendors experienced in connecting with payment gateways, financial data providers, and other fintech services. Effective API integration ensures your app functions smoothly, creating a seamless user experience. 
• Blockchain: Vendors skilled in decentralized solutions and tokenization can leverage blockchain to boost security, transparency, and efficiency—key advantages for any fintech application. 
• Machine Learning and AI: Make sure the team is proficient in machine learning (ML) and AI. These technologies are vital for creating predictive models, fraud detection systems, and personalized financial recommendations. Proficiency in AI can help differentiate your app in a competitive market. 
• Cloud-Based Infrastructure: Verify that the vendor offers a cloud-based infrastructure for scalability and flexibility. As your user base grows, your app must handle increasing traffic and data. A strong cloud infrastructure ensures that your app can expand while maintaining high performance.

Security and Compliance 

• Data Protection: Ensure the vendor is compliant with PCI DSS to securely handle payment card data.  
• Data Privacy Laws: The vendor should be knowledgeable about global privacy regulations like GDPR and CCPA to protect user information and avoid legal risks. 
• Financial Compliance: A knowledgeable vendor should also understand broader regulations like PSD2 and AML, offering valuable compliance guidance as your app scales. 
• Regulatory Guidance: Choosing a company that understands regulations like GDPR, PSD2, and AML can provide valuable guidance throughout the development process. This partnership can help navigate compliance challenges and mitigate potential legal risks.

Scalability

The development team must be able to build an app that can grow alongside your user base and handle increased transaction volumes without compromising performance. A vendor that can strengthen your app’s infrastructure to meet increasing demands ensures a seamless user experience and sets the stage for long-term success.

2. Market and industry experience  

Years of experience in Fintech industry

The number of years a development team has been operating in the fintech industry is vital, as it reflects their familiarity with specific challenges, regulatory requirements, and emerging trends.  

A trusted partner with deep industry knowledge can significantly increase the probability of project success, minimizing delays and setbacks. However, newer companies can also be valuable; they tend to be adaptable, responsive, and often offer competitive pricing. 

Let’s take the prime example of a new face in the industry with more than 5 years spent in the market. Despite being a newer player in the market, Synodus has secured partnerships with major clients in Fortune 500 companies such as BOC Aviation, KPMG, Unilever, leading banks in SEA (Vietcombank, Techcombank). This not only demonstrates that Synodus’ capabilities meet the high standards of the most demanding ustomers, but also positions Synodus as an equal to companies with far more experience.

Team size

Team size reflects a vendor’s capacity for handling large or complex projects. If your project requires more than 40 developers, choosing a large company can be a good choice. However, they often require lengthy formalities that can slow down project initiation and prioritize profitability. 

In contrast, smaller companies focus on proving their skills and expertise, allowing for a more personalized approach and closer client relationships. They can often be more agile and responsive, enabling quicker adaptations to project changes and your feedback. 

The right team size will depend on your project’s complexity, budget, and desired level of collaboration.

Approach to cooperation  

Consultancy attitude

A vendor with a consultancy mindset can help clients innovate and grow, addressing not only current challenges but also future opportunities. They will share their expertise throughout the process, suggesting improvements and identifying specific skills your team can develop.

Partnership approach

A true partnership means the vendor integrates seamlessly with your team, unlike traditional outsourcing, which often feels transactional.  

When a vendor aligns its goals with your business objectives, it fosters a collaborative environment. They take on challenges and responsibilities to deliver better software while also focusing on reducing costs and accelerating time-to-market.

Conclusion

In general, a fintech app development company plays a pivotal role in the financial technology sector. Thanks to advanced technologies, these companies are transforming traditional financial systems and services into more accessible, efficient, and secure digital platforms.  

In addition, fintech app development companies not only enhance the customer experience but also promote financial inclusion, making financial services more accessible to the unbanked and underbanked populations. Therefore, the role of a fintech app development company is crucial in shaping the future of finance.

If you are seeking a reliable fintech app development company to serve your own needs and desires, Synodus is an ideal company that you should consider.