London · United Kingdom

Mobile app designers reviewing a custom application prototype in London

App, web & AI development company in London

Our core expertise

Mobile App Development

iOS and Android apps designed, engineered and launched end to end — built around your users, your goals and the way your business really works.

See apps we've built Start your app project

Our core expertise · Mobile app development

Your idea, built into an app people love to use.

From first sketch to App Store launch, we design and engineer iOS and Android apps around real users. These are real screens from apps we've built — pick one and watch it run.

iOS
Android
React Native
Swift
Kotlin

Inventory tracking

Daily sales dashboard

Instant digital receipts

A simple retail app for small shop owners — track inventory, follow daily sales on one dashboard, and generate a shareable digital receipt (parchi) for every sale in seconds.
- Inventory tracking
- Daily sales dashboard
- Instant digital receipts
React NativeNode.jsView case study

Start your app project Explore app development

Discover & plan

We map your users, features and roadmap before a single line of code is written.

Design the experience

Clickable UX and UI prototypes you can try on a real phone and refine early.

Build & test

iOS and Android apps engineered with clean code, solid APIs and thorough QA.

Launch & grow

App Store and Google Play release, then updates and support as you scale.

More apps we've built

About Silicon Codes Ltd

A London digital agency building websites, apps & AI that grow your business.

Silicon Codes is a London-based digital agency creating modern websites, applications and brand experiences for businesses in the UK, USA and beyond. From AI-based web development and mobile app development to SEO optimisation, digital marketing and IT support, we turn complex business needs into straightforward digital products.

Unleashing innovation
Our developers, designers and strategists work together to bring bold ideas to life with the latest technologies and creative thinking.
Empowering businesses
Web development, mobile app solutions, e-commerce platforms and more, giving organisations of all sizes the tools they need to succeed online.
Driving growth
Technical expertise combined with strategic thinking to solve today's challenges and position your business for scalable, long-term success.