UX Design agencies in Milton Keynes.

A small UX engagement (audit plus light wireframing) usually runs 4-6 weeks. A standard project covering research, IA, prototyping, and testing lands at 8-12 weeks. Larger or multi-team programmes run 12-20 weeks. The phases sit roughly: 1-4 weeks discovery and user research, 2-3 weeks information architecture and wireframes, 2-3 weeks prototyping, 1-2 weeks usability testing (often overlapping prototyping), and 1 week handover. Ramotion and Nielsen Norman Group cite similar shapes. Continuous research retainers are open-ended.

UX Design is the research-led behavioural work: user research, journey mapping, information architecture, wireframes, prototypes, and usability testing. It defines how a product should behave for the people using it. Web Design is the visual and structural work that sits on top: brand application, layout, UI design, and the build brief. UX answers what should happen and why. Web Design answers what it should look like. A credible agency distinguishes the two in the scope of work.

Yes, but the work has shifted. AI tools (Figma AI, v0, Uizard) have compressed first-pass wireframes and prototyping, so junior execution time is down. The fee has moved to research rigour, behavioural analysis, accessibility judgement (made explicit by the European Accessibility Act, in force June 2025), and multimodal design for voice, chat, and AI-agent interfaces. Senior UX practitioners and specialist research practices remain in strong demand. Screen-only UI work with no research layer is the role under most pressure.

The 80/20 rule (Pareto principle) holds that roughly 80 per cent of a product's user satisfaction comes from 20 per cent of its features. In UX practice it is used to prioritise: which flows to fix first, which screens carry the bulk of traffic, which research findings move the needle. Nielsen Norman Group has long argued for this kind of prioritisation in usability work. It is a heuristic, not a law, but useful for keeping scope tight.