UX Design agencies in London.
UX Design is the research-led discipline that shapes how a product behaves for the people using it: user research, journey mapping, information architecture, wireframes, and usability testing. Distinct from Web Design (the visual and build layer) and Product Design (which wraps UX with engineering and roadmap). This page shows every agency on AgencyIndex offering ux design in London.
As a powerhouse of digital strategy, Mobikasa is composed of an assorted mix of strategists, creators, developers, scribes, directors, and producers, united by a cutting-edge philosophy. This multifaceted team collaboratively engineers pioneering digital solutions that resonate with global audiences. With an industry tenure exceeding a decade, Mobikasa's designs, underpinned by scientific insight,
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
Jellyfish is an integrated global digital marketing business founded in 2005 and headquartered at The Shard in London. Since June 2023 it has been part of The Brandtech Group, uniting media, creative and data through technology and generative AI.
AgencyIndex tracks 124 ux 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 ux design agencies in the UK, see the ux 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 ux design as a discipline; they do not change materially in London.
Light audit and wireframing £3,000-10,000 · Mid-market discovery, research, prototyping, and testing £15,000-60,000 · Enterprise research and complex product systems £50,000-200,000+. Standalone UX audits and heuristic reviews £1,500-10,000. Agency day rates £500-1,200 for mid to senior practitioners, £1,200-1,600 for lead consultants.
Small engagement 4-6 weeks · Standard project 8-12 weeks · Large or multi-team programme 12-20 weeks. Phases: discovery and research 1-4wks, information architecture and wireframes 2-3wks, prototyping 2-3wks, usability testing 1-2wks (often overlapping prototyping), handover 1wk. Continuous research retainers run open-ended.
- · Pitch jumps straight to wireframes or UI screens with no research, interviews, or journey work
- · No usability testing built into the scope, only deliverables (X wireframes, Y screens, Z personas)
- · Designer-led, not user-led: aesthetic preference framed as insight, no behavioural evidence
- · Personas presented without research method, sample size, or quotes from real users
- · Accessibility and WCAG 2.1 AA never raised, despite the European Accessibility Act being in force
- · Refusal to name the practitioners doing the research or disclose subcontracted moderators
UX Design agencies in other cities.
Other services in London.
What brands ask about ux design agencies.
The 5 questions our editors get most often, answered honestly. These apply to ux design as a discipline regardless of city.