UX Design Services
in London That Turn
Friction Into Flow

UX design, or user experience design, is the process of making websites, mobile apps, and digital products useful, accessible, and easy to navigate. It considers how people interact with a product, what they need to achieve, and where friction occurs. The goal is to create experiences that help users complete tasks while supporting business objectives

UX design focuses on the overall experience, including research, user journeys, information architecture, and usability. UI design focuses on the interface itself, including visual layouts, typography, colours, buttons, and interactive elements. Both work together to create digital products that look clear, feel intuitive, and function effectively. Our guide to UX vs UI design explains the difference in more detail.

A UX design agency in London helps businesses understand their users and improve how people interact with their website or app. Services include user research, journey mapping, wireframing, prototyping, usability testing and UX audits. The aim is to remove friction for users while hitting your commercial goals, such as more enquiries, sales or sign-ups.

UX design services identify the obstacles that make digital products difficult to use, from confusing navigation to lengthy forms and unclear next steps. By improving information architecture, user flows, accessibility, and interaction patterns, UX design can make key tasks easier to complete and support stronger engagement and conversion performance.

UX designers use tools based on the needs of each project. These may include Figma for interface design and prototyping, FigJam or Miro for workshops and journey mapping, analytics platforms for behavioural insights, and usability testing tools for observing user interactions. The right toolkit depends on the research questions, product requirements, and delivery process.

AI can support UX design by helping teams analyse feedback, identify behavioural patterns, explore design concepts, and organise research findings. We treat AI as a supporting tool rather than a replacement for user research, design judgement, or usability testing. Human insight remains essential to validating decisions and creating experiences that meet real user needs.

Look for a UX design agency that understands your users, business model, and product goals, not just visual design. Review its research process, usability testing methods, portfolio, collaboration approach, and ability to explain design decisions. A strong partner should connect user insights to practical improvements and measurable product objectives.

The cost of UX design services depends on project scope, product complexity, research requirements, the number of user journeys and testing needs. A focused UX audit is usually the quickest and most affordable starting point, while designing a complete website or mobile app journey is a larger investment. We scope every project after a free discovery call and confirm the price before work starts.

A UX design project may include discovery, user research, journey mapping, information architecture, wireframes, interactive prototypes, usability testing, and design recommendations. The exact deliverables depend on your product's needs and current stage. Some projects focus on improving an existing experience, while others establish the user journey for a new digital product.

UX design typically involves researching, planning, and designing the user experience itself. UX design consulting focuses more broadly on identifying experience problems, advising on product decisions, evaluating existing processes, and recommending improvements. Depending on your needs, consulting can stand alone or lead into a hands-on UX design engagement.

UX design success depends on the goals established at the start of a project. Useful measures can include task completion rates, time on task, usability test results, user satisfaction, form abandonment, and conversion rates. We use relevant evidence to evaluate whether design improvements make the experience clearer and help users achieve their goals.

Yes. Our UX design services cover websites, mobile applications, and broader digital products. We consider the context in which people use each platform, adapting navigation, interactions, content structure, and user flows to suit the experience. This helps create consistent journeys without treating desktop and mobile users as if they behave identically.

Yes. E-commerce UX is one of the highest-return areas of UX work. We review category navigation, search, product pages, basket and checkout, then redesign the steps where shoppers drop off. Our web design team and developers can then build the improvements.

Yes. Beyond one-off projects, we can run UX strategy as an ongoing partnership: setting UX goals and metrics, prioritising research, testing new features and reviewing analytics and session recordings so the product keeps improving after launch.

A UX design consultant suits short, focused needs such as a UX audit, a second opinion on a redesign or coaching your in-house team. A UX design agency suits larger projects that need research, design, prototyping and testing together. With Prox you can start with UX design consulting and scale up to a full project without changing teams.

Yes. We are a UX design agency in London, but we run user research, workshops and usability testing remotely, so businesses across the UK work with us in exactly the same way. In-person workshops in London are available whenever they help.

Yes. Our case studies include a customer web portal and UX strategy for Cityscape, web and mobile app UX and UI for Gulf Event Connect, and a UI and UX redesign for Invisilayer.