Web Design agencies in London.
Web Design is the discipline that shapes how a website looks, reads, and behaves: research, information architecture, wireframing, interaction design, and visual UI work that sits upstream of the technical build. In 2026 the brief now routinely covers accessibility under WCAG 2.1 AA, Core Web Vitals performance budgets, and a clear handover to development. This page shows every agency on AgencyIndex offering web design in London.
- 172 UK agencies offering web design in London
- Part of the Web Design service set
- Indexed in London
- Reviewed 18 May 2026

DBETA Web Agency is an innovative web design agency stationed in London, renowned for creating remarkable websites for brands aspiring to make a significant impression. DBETA Web Agency distinguishes itself through its dedication to audacious, meticulous designs that metamorphose commendable brands into digital titans, coupled with sleek, rapid websites that engage users without sacrificing perfor

Candyspace is a London-based digital agency, renowned for its expertise in designing, crafting, and enhancing digital solutions. As a trailblazer in the digital space, this agency excels in constructing transformative websites, mobile applications, and e-commerce platforms for ambitious entities, reflected in its stellar project portfolio featuring the launch of ITVX and the creation of a data mon

Climb Online is a forward-focused marketing agency dedicated to empowering the next generation of global brands. Following its acquisition by global digital group xDNA in 2022, the agency continues to champion ambition, innovation, proactivity, and inclusivity, equipping clients with a competitive edge in a constantly evolving marketplace. Operating from offices in London, Glasgow, Manila, and Per

Nautilus Marketing, a London-based comprehensive digital marketing agency, is renowned for its distinct fusion of creativity and pioneering thought. Catering to a global clientele, the agency excels in delivering customised digital marketing strategies, with an emphasis on enjoyable, customer-centric experiences. Operating on a no-contract basis and prioritising open dialogue, Nautilus Marketing s
AgencyIndex tracks 172 web design agencies in London. The list above is filtered to that intersection and ordered with verified and featured listings first.
For the wider editor's view on web design agencies in the UK, see the web design service brief. For context on London's marketing cluster, see the London location brief. The pricing, timeline and red-flag notes below apply to web design as a discipline; they do not change materially in London.
Boutique brochure and small CMS £2,000-8,000 · Mid-market discovery, UX, and design system £8,000-25,000 · Network and complex commerce £25,000-100,000+. Standalone audits and UX reviews £500-10,000. Agency hourly rates £60-200.
Brochure site 6-10 weeks · Ecommerce 10-18 weeks. Phases: discovery 1-3wks, design 2-5wks, build 2-8wks, QA and launch 1-2wks. Strategy-led or multi-stakeholder programmes commonly quote 4-6 months end to end.
- · Pitch jumps straight to visual mockups with no discovery, audience, or content work upstream
- · No relevant case studies or measurable outcomes, only attractive screens with no context
- · Vague process, no design previews, unclear what is delivered before launch
- · Accessibility, Core Web Vitals, or SEO foundations never come up in the pitch
- · Contract leaves revision rounds, scope, IP, and post-launch support undefined
- · Refusal to name the people actually doing the work or disclose subcontracting
Web Design agencies in other cities.
Other services in London.
What brands ask about web design agencies.
The 5 questions our editors get most often, answered honestly. These apply to web design as a discipline regardless of city.