Web Development · London
Web Development Agency in London
Looking for a web development agency in London? Websirus builds custom web applications using Next.js, React, and TypeScript for businesses across London and the wider UK. With a population of 9.5 million, London is a major business hub — and your website needs to match. We deliver fast, SEO-friendly, conversion-optimised websites that help London businesses grow.
Why London Businesses Choose Us
London businesses compete on a global stage. Your website is often the first impression a potential customer or investor gets. In a city where digital sophistication is expected, a mediocre website costs you business. We build the kind of web presence that London's most ambitious companies deserve — fast, polished, and designed to convert.
Web Development Services for London
Custom Development
Every London project is built from scratch to match your exact requirements. No templates, no compromises.
SEO Optimised
Built-in technical SEO ensures your London business ranks well in local and national search results.
Ongoing Support
Post-launch support packages to keep your site performing, secure, and up-to-date.
Web Development in London — FAQ
Our web development projects for London businesses typically start from £2,500 for marketing sites and range up to £25,000+ for complex web applications. We provide detailed, transparent quotes based on your specific requirements.
Yes, we serve businesses across London and the surrounding area. As a digital-first agency, we work remotely with clients and can meet in person when needed.
We build with Next.js, React, and TypeScript — the same stack used by companies like Netflix, Notion, and TikTok. This ensures your website is fast, maintainable, and future-proof.
Simple marketing sites take 2-4 weeks, while custom web applications typically take 6-12 weeks. We provide a detailed timeline during the proposal stage.
Start Your London Project
Tell us about your web development project and we will provide a tailored proposal within 48 hours.
Start a Project