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, a Senior Interaction Designer specialising in GOV.UK services, accessibility, UX and UI design for UK government departments including HMRC, DWP and Planning Inspectorate.
I have worked across government departments including HMRC, DWP, PINS and public sector platforms like Confused.com and Polecat Software
I design accessible government digital services that simplify complex systems and improve user outcomes.
Contact meEach 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
Produced a series of screens to digitise a manual tax submission process.
Simplified appeals and evidence submission for public users
Improved appeals process experience by reducing multi-step case submissions and supporting clearer evidence upload flows.
Made PIP case reviews more accessible
Designed and prototyped components for a PIP case review tool, ensuring accessibility compliance and alignment with GOV.UK patterns.
Redesigned dashboards and built a design system
Product design for this suite of farming and distribution applications.
Increased quote conversion through UX optimisation
Iterative designs to focus the quote process to ensure customer retention.
Reduced checkout drop-off and improved mobile usability
Reviewing the checkout process for Healthspan highlighted customer confusions and enabled a redesign that was user and mobile friendly.
Improved acquisition through A/B tested UX redesign
Redesign and testing the homepage for Confused.com this was a rigorous test to increase the number of users making their way to a successful quote process
Simplified multi-step workflows into clear user journeys
Reduced user drop-off by simplifying multi-step flows and improving accessibility compliance.
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 development-ready interfaces. Production ready visuals based on wireframes.
5 years designing and prototyping GOV.UK services using the GOV.UK Prototype Kit. 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 affects you.
Asking for user feedback from directly within the Muddy Boots software product using Intercom, an in product communication tool.
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
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."
Get in touch to discuss your project or contract needs.
Available for relevant contract roles across the UK
either remote or hybrid.
Previously worked with HMRC, DWP, DEFRA and Planning Inspectorate