User Experience (UX) Research and Design

Sigma ( is a leading human-centred research, design and development company. We believe that putting people at the heart of our approach delivers better products to a happier audience. We offer a range of User Experience (UX) research and design services.


  • Independent User Experience (UX) and expert evaluations
  • Lab-based, contextual and remote usability testing
  • Service design, user journey, process and empathy mapping
  • User surveys, co-design workshops, and interviews
  • Impact mapping and success criteria definition
  • Accessibility testing with disabled users
  • Core content modelling, content strategy and content design
  • Card sorting and tree testing for information architecture
  • Ethnographic research and contextual inquiry
  • Full interface design and front-end development including design systems


  • Understand the needs, motivations and behaviours of your users
  • Align user needs and your goals
  • Test your hypothesis, or design ideas, with the intended audience
  • Design and build products that are based on research/evidence
  • Define a meaningful strategy for your product or service
  • Comply with standards such as the WCAG
  • Map and optimise user journeys through a service
  • Create content that is user-centred and persuasive


£100 a person an hour

  • Education pricing available

Service documents


G-Cloud 12

Service ID

4 1 8 4 4 8 0 3 8 4 0 6 5 7 2


Sigma Shaun Gomm
Telephone: 01625 427718


Planning service
How the planning service works
We have an adaptable, iterative User Experience (UX) research and design framework that allows us to include your audience throughout, either to help you define new products and services or to optimise what you already have.
Planning service works with specific services


Training service provided
How the training service works
We provide formal User Experience and accessibility training, and also share knowledge when working with in-house teams and others.
Training is tied to specific services

Setup and migration

Setup or migration service available

Quality assurance and performance testing

Quality assurance and performance testing service
How the quality assurance and performance testing works
User Experience (UX) research and design can help improve the usability and accessibility of digital services for end users through things like co-design, prototyping, and usability testing. We specialise in working with real users with diverse abilities and ranging digital skills, to make sure our work is tested to ensure it's informed, inclusive and impactful.

Security testing

Security services

Ongoing support

Ongoing support service
Types of service supported
  • Buyer hosting or software
  • Hosting or software provided by your organisation
  • Hosting or software provided by a third-party organisation
How the support service works
We offer full support, maintenance and optimisation services through our UK-based service desk. This can include UX research and design services.

Service scope

Service constraints

User support

Email or online ticketing support
Email or online ticketing
Support response times
Standard support is normal UK office hours (09:00 to 17:00) Monday to Friday, excluding public holidays and the period between 26th December and 1st January. However, 24/7/365 support can be provided as an option. Standard response SLAs are: Priority One - 1 working hour, Priority Two - 2 working hours and Priority Three - 4 working hours.
User can manage status and priority of support tickets
Online ticketing support accessibility
WCAG 2.1 AA or EN 301 549
Phone support
Phone support availability
9 to 5 (UK time), Monday to Friday
Web chat support
Support levels
We provide three levels of support: Baseline, Baseline plus hours and Retainer. Costs start from £1000 per month.


Supplier type
Not a reseller

Staff security

Staff security clearance
Conforms to BS7858:2012
Government security clearance
Up to Developed Vetting (DV)


£100 a person an hour
Discount for educational organisations

Service documents