Glass office towers in a financial district, seen from street level

Fintech Software Development.

Custom fintech mobile apps and financial software development, built for compliance, security and scale.

FINANCIAL SOFTWARE DEVELOPMENT

Award Winning FinTech Software Development in the UK.

Financial technology demands precision.

Whether you're building a payments platform, a lending system, a wealth management app or a banking integration, your software needs to be fast, secure and fully compliant. We build custom fintech solutions that handle real-world financial operations at scale.

Our UK-based team has 20+ years of experience across regulated industries including healthcare, finance and insurance. We understand the compliance frameworks, data security standards and integration challenges that define financial software development.

From customer-facing apps to internal trading platforms and API-driven middleware, every solution is custom-built around your requirements and regulatory environment.

FINTECH APP DEVELOPMENT

Why Fintech Businesses Choose Arch.

In fintech, trust matters. Your software handles money, sensitive data and regulatory obligations, so there is no room for shortcuts. Our clients choose us because we build security and compliance in from day one.


We don't disappear after launch. We stay on as your long-term partner for security updates, performance monitoring and new feature development. Our Discovery-first approach to FinTech app development means we map your workflows, integrations and compliance requirements before development begins. With offices in London, Edinburgh and Gateshead, we bring UK quality standards and a 4.7/5 Clutch rating to every engagement.

AI

Technology for Finance.

We build with modern, scalable technologies: React for customer-facing dashboards, PHP and Laravel for secure backend systems, and Flutter for cross-platform mobile apps. We integrate with payment processors, banking APIs, KYC/AML providers and core banking systems. Every solution is designed for performance under load, data integrity and the strict security requirements of financial services.


Whether you're streamlining operations, improving the user experience or getting more from your data, we help you deploy AI with purpose. We aim for compliant solutions with measurable impact.



Common AI use cases in finance websites:

  • Fraud detection and risk scoring through machine learning
  • Personalised dashboards based on user behaviour and history
  • Predictive analytics for credit, investment, and planning tools
  • Natural language processing for chatbots and digital assistants
  • Workflow automation to reduce admin and speed up approvals



Our approach to AI is human-centred. We design features that add value without adding complexity, so your platform stays fast, clear and fully compliant.

LATEST WORK

Our work in FinTech.

Discover what services we have to offer.

We offer expert Flutter development, custom app design, cross-platform solutions, UI/UX design and bespoke web design.

FAQ

Common Questions on Finance Website Development.

What types of fintech software do you build?
We build payment platforms, lending and credit systems, wealth management dashboards, banking integrations, mobile wallets, and internal financial tools. Whether you're a startup launching a new product or an established firm modernising legacy systems, we tailor every solution to your specific needs.



How long does fintech software development take?
Most projects take 3-6 months depending on complexity, integrations, and compliance requirements. Simpler MVPs or mobile apps may take 8-16 weeks. We provide a detailed timeline after our Discovery phase, once we understand your exact requirements and regulatory obligations.



How do you handle security and compliance?
Security is fundamental to every project. We follow industry best practices for data encryption, access control, secure authentication, and audit logging. We understand regulatory requirements in financial services — including PCI DSS, FCA guidelines, and open banking standards — and design systems that support your compliance obligations.


Can you integrate with banking APIs and payment providers?
Yes. We regularly integrate with payment processors (Stripe, Adyen, Worldpay), banking APIs, KYC/AML providers, and core banking systems. Whether you need open banking connectivity, card processing, or real-time payment rails, we'll build the integrations your platform requires.


A picture of the arch office with developers working

Work with us.

Got an amazing idea and need a dedicated specialist team to help get it off the ground? Got a thriving business that you’re looking to take to the next level? Get in touch today and see how can work together.