Modern, responsive web applications built with cutting-edge frameworks that deliver exceptional user experiences.

CAS
Consulting and Application Services Limited
We create high-performance, accessible web applications using React, Next.js, Angular, and Progressive Web App technologies. Our solutions are responsive, intuitive, and optimised for all devices and browsers.
A design-led, engineering-rigorous process that ships fast, accessible, conversion-focused web apps.
We research users, map journeys, and wireframe experiences that convert and delight.
We craft a reusable, accessible design system and high-fidelity interfaces.
We build with React/Next.js in sprints, with automated tests and CI/CD.
We ship, measure Core Web Vitals, and continuously optimise performance and SEO.
From marketing sites to complex SPAs — fast, accessible, and built to scale.
React, Next.js, and Angular apps with SSR/SSG for speed and SEO.
Installable, offline-capable web apps with native-like experiences.
Sub-second loads with Core Web Vitals tuned to green.
Robust APIs and third-party integrations that power your web apps.
Headless commerce with seamless checkout and payments.
Beautiful, inclusive interfaces that meet WCAG standards.
Projected results from web application builds and rebuilds.
Slow, legacy dashboard with poor mobile experience.
Rebuilt as a React SPA with a component design system.
Rigid monolith store limiting conversion optimisation.
Headless Next.js storefront with integrated checkout.
High bounce on mobile and poor retention.
Installable PWA with offline reading and push.
From corporate websites to complex web applications.