Using AI in GOV.UK Prototyping - UX Case Study by Martin Gray
Using artificial intelligence to help build accessible GOV.UK charts using chart.js for prototyping and testing with users.
I'm Martin Gray, an interaction designer specialising in GOV.UK services, UX and accessibility. I design complex government services across discovery, alpha, beta and live.
With 20+ years’ experience, I design and deliver complex government services across discovery, alpha, beta and live — improving accessibility, usability and outcomes at scale. I have worked across government departments including HMRC, DWP, PINS and public sector platforms like Confused.com and Polecat Software
I design accessible GOV.UK services that simplify complex systems and improve user outcomes.
This website showcases my UX case studies, design projects and digital service redesigns.
Each project shows my role, approach and measurable impact.
Simplified data publishing for local authorities
Planning Data digital service for DLUHC. Supported accessibility compliance across services.
Reduced friction in complex tax journeys
Simplified appeals and evidence submission for public users
Made PIP case reviews more accessible
Redesigned dashboards and built a design system
Increased quote conversion through UX optimisation
Reduced checkout drop-off and improved mobile usability
Improved acquisition through A/B tested UX redesign
Simplified multi-step workflows into clear user journeys
Trusted by teams at organisations like…




Expertise across the full spectrum of user-centered design and development.
I design user interfaces that are on brand and pixel perfect ready for development. Production ready visuals based on wireframes.
5 years building HTML prototypes with GOV.UK Prototype Kit using Nunjucks. Published on the web via Github and Heroku.
Designing accessible digital services used across UK government departments.
I ensure digital services are accessible to all users, following WCAG guidelines and GOV.UK service standards.
I sketch ideas, design layouts and turn them into interactive prototypes for user testing.
I build and maintain consistent design patterns and interaction components for scalable products.
Articles about GOV.UK design patterns, prototyping, accessibility and UX.
Using artificial intelligence to help build accessible GOV.UK charts using chart.js for prototyping and testing with users.
Have you ever wondered what is a Gov.uk Interaction designer and what do they do? Read this and find out how it effects you.
Asking for user feedback from directly within the Muddy Boots software product using Intercom, an in product communication tool.
Working with Martin
"I reported into Martin whilst at Healthspan and found him to be controlled and professional under pressure, offering solid creative solutions. More importantly he was a pleasure to work with."
"I've had the privilege of working with and being managed by Martin. He truly understands brand and how to best use it effectively in the digital space. Hardworking, forward thinking, and a great team player."
"Martin was my Senior when I started my first design role at Confused.com. A fantastic and relatable manager with an inspiring and clear approach to design projects and stakeholder management."
Martin Gray is a UK-based Senior Interaction Designer specialising in GOV.UK services, UX design, UI design and accessibility (WCAG).
He designs complex, high-traffic digital services used across government departments including HMRC, DWP and the Planning Inspectorate — helping teams simplify policy into clear, usable experiences.
With over 20 years’ experience, Martin works across the full service lifecycle — from discovery and alpha through to beta and live — creating user journeys, prototypes and production-ready designs that meet the GOV.UK Service Standard.
His work focuses on:
Martin combines interaction design, front-end prototyping and accessibility expertise to deliver services that are usable, compliant and effective at scale.
He is available for Senior Interaction Designer contract roles across the UK, including remote and hybrid GOV.UK projects.
Contact Martin Gray
Available for Senior Interaction Designer contract roles across the UK (remote or hybrid).