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About UX Design Agency

UX Design Agency exists because the industry needed a design agency that took business outcomes as seriously as design craft. Too many agencies produce beautiful work that doesn't convert. Too many lead with aesthetics when the real problem is usability. We do things differently.

Our team is built around a conviction that good UX design is fundamentally about understanding people. Not just what they say they want in focus groups — what they actually do when they're trying to accomplish a goal on a screen. The gap between those two things is where most digital product failures live, and it's where our work has the most impact.

We've been doing this work for over twelve years. Our clients range from seed-stage startups building their first product to established UK businesses modernising digital experiences that have accumulated years of technical and UX debt. The common thread is that they all came to us because something in their product wasn't working — and left with something that did.

We're a deliberately small team. Every project is led by a senior designer or researcher, and you'll have a direct relationship with the person doing the work. We don't take on more projects than we can do well. We don't farm work to juniors without oversight. We're proud of that approach, even when it means turning down projects that don't fit our model.

Our satisfaction rate is 98% — a number we're proud of but don't rest on. The metric we care about more is outcomes: the conversion rate that went up, the churn that went down, the product that shipped on time and worked as intended. Those are the results that validate what we do.

Outcomes Over Outputs

We measure success by what changes in your business — not how many deliverables we produced. Conversion rate, activation rate, NPS, churn: these are the metrics that matter, and they're the ones we design towards.

Evidence Over Intuition

We have opinions, and we share them. But we hold them loosely and update them when evidence says otherwise. Research-led design produces better outcomes than confident guesswork.

Senior Involvement Throughout

The person who leads the pitch is the person who leads the project. No bait-and-switch, no delegating to juniors without oversight. You're paying for experience, and you get it.

Honest Conversations

We'll tell you when your brief has a problem, when a feature idea isn't user-validated, or when we think a different approach will work better. That honesty is what produces good outcomes, even when it's uncomfortable in the short term.

Our Team

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Sophie Harrington
Founder & UX Director

Sophie built the agency after a decade in product design at a mix of London startups and larger digital businesses. She leads the strategic direction of projects and is involved in client relationships at every level.

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Kwame Asante
Senior UX Researcher

Kwame brings a background in behavioural science to our research practice. He designs and runs user research programmes with a rigour that turns qualitative observation into actionable design direction.

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Isabelle Morin
Lead UI Designer

Isabelle has been crafting digital interfaces for over eight years, with deep experience in design systems and interaction design. Her work balances visual quality with functional clarity — interfaces that look good and work brilliantly.

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Callum Reid
Frontend Developer

Callum ensures the gap between design and code stays as small as possible. He builds performant, accessible, and maintainable interfaces with an obsessive attention to detail that clients consistently remark on.

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About UX Design Agency | Conversion-Focused UX Design in the UK