Fintech app development services are specialized offerings from agencies and development partners that design, build, and launch financial technology applications. In a world where digital payments are projected to reach over $11.55 trillion, these services are no longer a luxury but a necessity for startups aiming to innovate in finance. From mobile banking and investment platforms to payment gateways and insurance tools, finding the right partner to build your vision is the first step toward success. The global fintech market is expected to grow significantly, reaching over $644 billion by 2029, making it a critical time for founders to enter the market with a strong, viable product.
Why Fintech is Booming: Market Trends and Drivers
The financial technology sector is experiencing explosive growth, driven by a perfect storm of technological advancement and shifting consumer expectations. After the pandemic, use of fintech apps surged, with a 72% increase in Europe alone, as consumers moved away from traditional banking. Today, technology isn’t just a part of finance, it is finance.
Key drivers shaping the need for fintech app development services include:
Massive Market Growth: The global fintech market was valued at approximately $209.7 billion and is projected to grow at a compound annual rate of over 25%. This rapid expansion creates immense opportunities for new and innovative solutions.
Customer Expectations: Modern consumers are accustomed to seamless digital experiences and demand the same from their financial providers. They expect tailored offers, instant transactions, and user friendly interfaces, pushing founders to deliver high quality applications quickly.
Technological Advancements: The rise of AI, machine learning, and blockchain technology allows for more sophisticated and secure financial products. The AI in fintech market alone is valued at $30 billion in 2025 and is expected to nearly triple by 2030.
Embedded Finance: Financial services are increasingly being integrated into non financial platforms, like SaaS tools and e commerce sites. This trend is powered by APIs and creates new revenue streams and user experiences.
Top 10 Fintech App Development Services
Now that you have a solid understanding of the essential features and considerations for building a fintech application, it’s time to explore the teams that can turn your vision into reality. This section highlights the top 10 providers of fintech app development services that have been selected based on their proven expertise, innovative solutions, and successful track record in the complex financial landscape. These firms are known for delivering secure, scalable, and user-centric applications for a diverse range of clients, from startups to established financial institutions.
Bricks Tech is a startup-native product studio that moves fast without breaking the future. They blend no-code speed with full-stack discipline to help founders validate payment-enabled ideas—marketplaces, donations, SaaS billing—and keep a clean path to scale on modern cloud.
Fast facts: Startup-first; rapid fintech MVPs
Team: 15+ core specialists
Locations/markets: Toronto, Lahore, Singapore
Compliance posture: Secure-by-default on AWS/Supabase
Notable clients: WNTAD, NeighborGood, BestCustodyCase
Core domains: Payment marketplaces, SaaS billing, donation platforms
Typical project size/timeline: MVPs from $10k in 4 to 8 weeks
How they build for founders: Bricks pairs Bubble with Supabase/Postgres and full-stack engineering to ship investor-ready MVPs quickly, then harden into scalable services. API-first by default, they plug in Stripe, KYC/AML vendors, and AI/ML features, with role-based access and secure flows running on AWS.
Itexus is a compliance-first fintech builder trusted by banks, lenders, and high-growth startups. From neobanks and wallets to trading and lending, they ship regulated apps that scale—and pass audits.
Fast facts: 12+ years in fintech
Team: 150+ engineers
Locations/markets: U.S. & EU; North America, Western Europe, Gulf
Certifications/compliance: PCI DSS–aligned, KYC/AML, GDPR/CCPA
Notable clients: Coinstar, Top-7 U.S. Credit Union; 4.9/5 on Clutch
Core domains: Digital banking, payments, wallets, trading, lending, crypto
Typical project size/timeline: $50k+; MVPs in 3 to 4 months
How they build for founders: Itexus delivers native iOS/Android and web apps on AWS/Azure with event-driven microservices. API-first integrations span Plaid, Stripe, Sumsub, and more. Security is woven in—encryption, MFA, access controls—so products align to PCI DSS and privacy regulations from day one.
Proof + best fit: A Top-7 U.S. credit union cut onboarding from 5 days to 15 minutes; Coinstar’s crypto wallet ecosystem ships under strict compliance. Ideal for seed to Series C founders who need audit-ready builds. Engagements: full-cycle, dedicated squads, or staff aug; typical MVP in 3 to 4 months.
KindGeek is a product-minded fintech partner known for elegant UX backed by bank-grade plumbing. Whether you need a neobank, wallet, or payments layer, they bring a security-by-design mindset to every sprint.
Fast facts: 10 years in fintech
Team: 200+ specialists
Locations/markets: Ukraine (HQ), UK; serves EU/US
Certifications/compliance: ISO 27001, ISO 9001; GDPR/PSD2/SCA-ready
Notable clients: Jaja Finance, payabl., HyperJar; Clutch Global Award 2023
Core domains: Neobanking, payments, wallets, money transfer, open banking
Typical project size: $50k+ minimum engagement
How they build for founders: KindGeek offers a customizable, API-first core to jumpstart delivery or builds greenfield from scratch. They integrate with rails and open-banking partners like Salt Edge, combine Python back ends with cloud-native infra, and harden KYC/AML and SCA from the outset.
Proof + best fit: Delivered a core banking MVP for payabl. in ~7.5 months and powered HyperJar with an 18-person squad. A strong fit for pre-seed to Series B fintechs needing speed plus compliance. Models: full-cycle builds, dedicated squads, or staff aug.
UppLabs is a fintech-first engineering team for founders who need compliant payments, banking, or trading products—fast. They emphasize API-first builds, modern clouds, and measurable reliability.
Fast facts: 11+ years in fintech
Team: 100+ fintech engineers
Locations/markets: US, EU (R&D in Ukraine)
Certifications/compliance: PCI DSS, PSD2, GDPR, KYC/AML
Notable clients: Tax1099, Tenurex, Relay Payments
Core domains: Payments, digital banking, lending, trading
Typical project size/timeline: $25k+; MVPs in 8 to 12 weeks
How they build for founders: Native and cross-platform apps (iOS/Android, React Native) with .NET/Node/Python back ends, containerized and orchestrated for scale. Security is standard—AES-256, OAuth2, and ML-powered fraud prevention—to match PCI/PSD2/GDPR requirements.
Proof + best fit: A digital gateway processed $2.5M in six months at 99.9% uptime and passed PCI on first audit. Ideal for seed to Series B fintechs needing compliance-aware execution. Engagements: full-cycle, dedicated squads, or staff augmentation.
DataArt brings enterprise-grade engineering to ambitious fintechs. From digital banking to capital markets, they build resilient, real-time systems that stand up to scale and regulation.
Fast facts: 27+ years in fintech
Team: 6,000+ engineers
Locations/markets: U.S., U.K./EU, LatAm, India, Middle East
Certifications/compliance: SOC 2 Type II, ISO 9001; aligned to PCI DSS & GDPR
Notable clients: Nasdaq, Invesco; Inc. 5000 (13x)
Core domains: Payments, digital banking, capital markets, insurance
Typical project size/timeline: $100k+; MVPs in 1 to 3 months
How they build for founders: Cloud-native, API-first systems on AWS/Azure/GCP, with microservices, event streaming, and real-time data. Deep experience with Stripe/Adyen and tokenization to minimize compliance scope.
Proof + best fit: For GroundScope, a Stripe-based platform cut operating costs by 80%; Ledgebrook saw an MGA MVP in under four months. Best for seed to Series C teams needing enterprise rigor. Models: full-cycle, dedicated squads, or staff aug.
ELEKS marries enterprise security with startup tempo. Their teams prototype in days, validate fast, and harden fintech products for production across banking, payments, and investment tech.
Fast facts: 15+ years in fintech
Team: 2,100+ professionals
Locations/markets: US, Canada, UK, EU, MENA, Japan
Certifications/compliance: ISO 27001:2022, SOC 2 Type II, HITRUST e1; PCI-DSS ready
Notable clients: Eagle Investment Systems (BNY Mellon); IAOP Global Outsourcing 100
Core domains: Investment management, B2B payments, mobile apps, regtech
Typical project size/timeline: Starts at $25k; prototypes in 3 to 5 days
How they build for founders: API-first architectures on AWS/Azure, integrating payment gateways and KYC vendors; React Native plus .NET/Java back ends. Security and compliance are foundational, with certified programs and PCI-ready designs.
Proof + best fit: A 15-year partnership with BNY Mellon’s Eagle proves scale; Civex went from concept to launch in eight months. Best for venture-backed fintechs wanting enterprise-grade security with rapid validation. Engagements: full-cycle builds and dedicated squads.
Tech Alchemy is a product studio for modern fintech and Web3. They excel at melding compliant payments, identity, and digital asset tooling into polished, investor-ready apps.
Fast facts: 9+ years in fintech
Team: 200+ designers & engineers
Locations/markets: London (HQ); UK/EU, US, MENA
Certifications/compliance: GDPR-aligned; integrates with regulated vendors
Notable clients: 3S Money, Mercore; Clutch Premier Verified (5.0/5)
Core domains: Payments, wallets, KYC, crypto, DeFi
Typical project size/timeline: $50k to $199k
How they build for founders: API-first integrations with Currencycloud, PayPal, Fireblocks, and LexisNexis speed delivery while keeping compliance tight. They run micro-scope (1 to 2 weeks) or deeper discovery (6 to 8 weeks) then execute in two-week sprints using native and React Native stacks.
Proof + best fit: For 3S Money, they automated KYC flows; a Web3 platform they built attracted 1.5M+ visitors in month one. Ideal for pre-seed to Series B startups needing a fast, scalable MVP. Engagements from $50k to $200k.
Nimble AppGenie builds eWallets, mobile banking, and payment apps that go live quickly—and stay compliant. Expect solid UX, strong rails integrations, and disciplined security.
Fast facts: 8+ years in fintech
Team: 51 to 200 employees
Locations/markets: US, UK/EU, MENA, APAC
Certifications/compliance: ISO 27001; builds for PCI DSS, GDPR, SOC 2
Notable clients: Pay By Check, CUT, DafriBank
Core domains: eWallets, mobile banking, payments, lending
Typical project size/timeline: MVPs from 3 months (~$50k+)
How they build for founders: Native (iOS/Android) and Flutter apps with KYC onboarding, ACH/EFT, QR/NFC, and multi-currency. API-first integrations with Stripe/Adyen and open banking; Node.js back ends on AWS/Azure/GCP with MFA, biometrics, and AES-256 baked in.
Proof + best fit: Pay By Check and CUT launched in ~3 months each across multiple regions. Best for pre-seed–Series B founders and SMBs targeting a 10–14 week payment MVP. Models: full-cycle, dedicated squads, or staff augmentation.
SDK.finance is a modular fintech core that lets teams ship a wallet or neobank in weeks, then scale with full source-code control when the stakes rise. It’s speed now, sovereignty later.
Fast facts: 12+ years (founded 2013)
Team: 40+ members
Locations/markets: EU, UK; Europe, MENA, Africa
Certifications/compliance: PCI DSS Level 1, ISO 27001, GDPR-aligned
Notable clients: Geidea, MPAY; PayTech Awards 2025 finalist
Core domains: Digital wallets, neobanking, payment processing
Typical project size/timeline: SaaS in weeks; source code in months
How they build for founders: An API-first platform (470+ REST APIs) with a robust ledger, Java/Spring core, Kafka, and Kubernetes for high-throughput. Pre-integrations cover KYC (Sumsub), AML (ComplyAdvantage), issuing (Marqeta), and gateways (MPGS, Cybersource). Choose SaaS for speed or source code to avoid lock-in.
Proof + best fit: Geidea modernized its ledger for merchant settlement; a Central Asian government launched a PCI DSS-compliant benefits card in six months. Best for venture-backed startups and established FIs. Engagements: full-cycle builds or source-code license.
Innowise ships finance-grade apps—banking, wallets, lending, and digital assets—with the compliance muscle and cloud scale founders need from MVP to V1 and beyond.
Fast facts: 18+ years in fintech
Team: 3,000+ IT professionals
Locations/markets: US, EU, UK, UAE
Certifications/compliance: ISO 27001/9001; PSD2, GDPR, PCI DSS/SOC 2 readiness
Awards: Inc. 5000; IAOP Global Outsourcing 100
Core domains: Payments, banking, lending, wallets, crypto
Typical project timeline: MVP in 2 to 3 months
How they build for founders: API-first integrations with Stripe, Mambu, and Sumsub; native and cross-platform clients on AWS/Azure/GCP; microservices plus AI/ML for fraud and credit scoring. Privacy and payment standards are built in to speed audits.
Proof + best fit: Delivered an asset-tokenization platform that expanded investor access 10x while cutting costs ~80%. Ideal for seed to Series B fintechs and mid-market FIs. Engagements: full-cycle delivery, dedicated squads, or staff aug; MVPs in 2 to 3 months.
Scoping Your Fintech App: Must Have vs. Nice to Have Features
One of the biggest challenges for founders is defining the scope of their Minimum Viable Product (MVP). Trying to build everything at once is a common reason startups fail. A focused MVP validates your core idea with real users before you invest heavily in complex features.
Core Features for Your MVP
An MVP isn’t about being minimal, it’s about being viable. For a fintech app, viability means being secure, compliant, and solving one core problem exceptionally well.
Secure User Onboarding: This includes user registration, secure login with multi factor authentication (MFA), and a streamlined Know Your Customer (KYC) process to verify identities.
Bank and Card Integration: Users need to connect their financial accounts. Integrating with APIs from services like Plaid or Stripe is essential for fetching balances and enabling transactions.
A Single Core Function: Focus on the one thing your app does best. Whether it’s sending money, tracking expenses, or viewing a portfolio, this core operation must be flawless.
Transaction History and Dashboards: Users need a clear and simple way to view their financial activity. Transparency builds trust, which is a non negotiable in finance.
Advanced Features for Scale
Once your MVP gains traction and you’ve gathered user feedback, you can begin adding more advanced functionality.
AI Powered Recommendations: Use agentic AI and machine learning to offer personalized financial advice, budget tips, or investment insights.
Biometric Security: Enhance security and user experience with fingerprint or facial recognition logins.
Multi Currency Support: Essential for apps targeting international users or dealing with cross border payments.
Automated Chatbots: Provide instant customer support and answer common questions without human intervention.
How to Choose the Right Fintech App Development Partner
Selecting the right partner is arguably more important than the technology you choose. The right team doesn’t just write code, they act as a strategic partner, challenging your assumptions and guiding you toward a successful launch. For early stage startups, founder friendly agencies like Bricks Tech can provide the necessary expertise to build an MVP quickly and affordably.
Look for a partner with:
Proven Fintech Experience: They should have a portfolio of successful fintech applications and a deep understanding of the industry’s security and regulatory challenges.
A Transparent, Agile Process: A clear development process with weekly demos and check ins ensures alignment and prevents costly rework. This approach keeps you in control of the project’s direction and budget.
Understanding Engagement Models and Development Processes
Fintech app development services typically offer a few common engagement models, each suited for different needs and stages.
Build From Scratch (Fixed Scope): Ideal for MVPs with a clearly defined feature set. This model offers predictable costs and timelines. For instance, Bricks Tech’s popular package builds a fully functional app in 8 weeks for a fixed price, with a refundable first week to ensure a good fit.
Flexible Retainer (Your Team): This model provides a dedicated team of project managers, designers, and developers for a monthly fee. It’s perfect for startups that need ongoing development, feature enhancements, and the ability to scale resources up or down as needed.
Maintenance Plan: After launch, your app needs continuous support. A maintenance plan ensures security updates, bug fixes, and performance optimizations are handled proactively, often with a guaranteed response time.
Navigating Security and Compliance in Fintech
In fintech, security and compliance are not features, they are the foundation. A data breach doesn’t just cause reputational damage, it can lead to massive fines and completely destroy user trust. Your development partner must have a deep understanding of the regulatory landscape.
Key regulations and standards to be aware of include:
PCI DSS (Payment Card Industry Data Security Standard): Required for any app that handles credit card information.
GDPR (General Data Protection Regulation): Applies to any app that serves users in the European Union and governs how personal data is handled.
KYC and AML (Know Your Customer and Anti Money Laundering): Regulations that require you to verify user identities to prevent financial crimes.
A trustworthy fintech app development service builds security in from day one, using data encryption, secure APIs, and regular penetration testing to protect sensitive information.
Building a Connected Ecosystem: APIs and Architecture
Common API integrations in fintech include:
Payment Gateways: Stripe, PayPal, Adyen
Bank Account Aggregation: Plaid, Yodlee
Identity Verification: Onfido, Jumio
Market Data: Xignite, Alpha Vantage
Choosing a partner with experience integrating dozens of APIs is crucial for building a feature rich application. A modern, API first architecture allows for faster development, greater flexibility, and the ability to seamlessly add new services as your product evolves.
Budgeting and Timelines for Your Fintech MVP
One of the first questions every founder asks is, “How much will it cost and how long will it take?” While costs can range from $30,000 to over $150,000 depending on complexity, the goal of an MVP is to validate your idea efficiently. Building a full featured product can take over six months and cost well over $150,000.
A focused fintech MVP, however, can be built much faster and more affordably. Development agencies specializing in no code and low code technologies can often deliver an MVP in 4 to 8 weeks. For example, productized services offering an 8 week build for around $10,000 provide a clear, predictable path to market for early stage founders. This approach allows you to launch quickly, gather real world feedback, and demonstrate traction to investors without breaking the bank. Find out if your project is a good fit by scheduling a free consultation.
Making the Final Decision for Your Fintech Project
Choosing from the many fintech app development services available can feel overwhelming. To make the right choice, focus on the partner, not just the price tag.
Ask yourself these final questions:
Do they think like a founder and prioritize business outcomes over billable hours?
Is their communication process clear and collaborative, with regular demos and feedback loops?
Do they offer post launch support to ensure your app remains secure and performant?
Can they scale with you as your needs evolve from a simple MVP to a full featured product?
The right partner will act as an extension of your team, providing strategic guidance and technical excellence every step of the way.
Launching Your Vision with the Right Development Services
Bringing a fintech app to life is a complex but rewarding journey. The market is growing rapidly, but so are the challenges of security, compliance, and user trust. The key to success lies in choosing a development partner who understands this landscape and can help you navigate it efficiently. The right fintech app development services empower you to launch faster, mitigate risk, and build a product that users love and trust.
Ready to turn your fintech idea into a reality? Explore how Bricks Tech builds scalable, secure apps in weeks, not years.
Frequently Asked Questions About Fintech App Development Services
What is the average cost of fintech app development services?
The cost varies widely based on complexity. A Minimum Viable Product (MVP) can range from $25,000 to $80,000. More advanced applications with complex features can cost $150,000 or more. Some agencies offer productized packages for MVPs around $10,000.
How long does it take to build a fintech app?
A typical fintech MVP can be developed in 2 to 6 months. Using rapid development approaches like no code or low code, this timeline can often be shortened to 4 to 8 weeks, which is ideal for startups needing to validate their ideas quickly.
Is no code a good option for fintech apps?
Yes, when paired with a robust backend. Platforms like Bubble.io are excellent for building the user interface and application logic quickly. For security and scalability, they are often connected to powerful backends like Supabase or AWS, ensuring that the app is both secure and capable of handling growth.
What are the most important security features for a fintech app?
Key security features include end to end data encryption, multi factor authentication (MFA), biometric login options, secure API gateways, and compliance with standards like PCI DSS and GDPR. Regular security audits and penetration testing are also essential.
What kind of post launch support will I need?
After launching your app, you will need ongoing maintenance to manage security updates, fix bugs, monitor performance, and make feature enhancements based on user feedback. Many agencies offer monthly maintenance plans with guaranteed response times to keep your application running smoothly.