Skip to main content
Jonathan Kokké, UX Consultant

UX consultant creating digital experiences that make a difference

As a UX design consultant, I help organisations improve their digital experiences through UX strategy, accessibility and WCAG compliance, and scalable design systems — creating inclusive, effective, and measurable experiences that make a difference for people and business.

Let’s talk about your project
Reason and Joy is the philosophy that guides my work as a UX consultant – helping organisations create inclusive, accessible digital experiences that delight users and deliver measurable business results. With over 20 years in UX and design leadership, I blend strategy, process, and hands-on delivery to make a meaningful difference.

Got a UX challenge?

I'm currently taking on new projects.
Book a free intro call — no obligation, no pressure.

Book your call

Trusted by

Success Stories

Some of the measurable outcomes I’ve helped teams deliver — from onboarding and design systems to UX strategy and delivery.

  • +£22M Revenue Uplift from UX Experimentation

    Delivered a series of data-driven UX experiments at a FTSE 100 company, generating over £22 million in additional revenue by improving conversion through iterative testing and personalisation.

  • 42% Faster Onboarding for Financial Platform

    Overhauled a KYC onboarding flow, cutting duplication by 45%, reducing error rates by 32%, and accelerating onboarding speed by 42%.

  • 70+ Accessible Components Delivered Globally

    Built a scalable, WCAG-compliant design system adopted across EMEA, APAC, and the Americas — expanding from 32 to over 70 accessible components with 96 custom icons.

  • +30% Engagement via Iterative UX Experimentation

    Delivered a 30% sustained increase in traffic to key university pages through content-focused A/B testing and user-centred experiments.

Helping you solve real UX problems

From strategy and accessibility to delivery and team enablement, I offer expert support across five core areas:

End-to-End UX

Designing experiences that connect user needs with business goals

  • User Journey and experience mapping
  • UX design and prototyping
  • UI and interaction design

Accessibility and Inclusive Design

Creating better digital experiences for everyone

  • Accessibility reviews and audits
  • WCAG & EAA compliance
  • Inclusive design workshops

Design Systems

Building scalable, accessible systems that bring design and code together

  • Component libraries
  • Semantic design tokens
  • Multi-platform rollouts

DesignOps

Streamlining workflows so design can deliver more, with less friction

  • Process audits
  • Workflow documentation
  • KPI tracking

Training and Workshops

Helping teams grow confidence and capability in design, together

  • Hands-on training
  • Team facilitation
  • Coaching sessions

Work with me

Let’s make your digital experiences work better for everyone.

Whether you need strategic direction, accessible design, or facilitation to align your team, I offer flexible support — as a UX consultant providin fractional UX leadership and defined projects to tailored workshops. I bring the right expertise and, when needed, a trusted network of collaborators to scale your delivery.