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UX audits

A complete audit of your user experience, delivered in a format that you can't ignore.

Book an audit

Built for Mars Ltd is a company registered in England and Wales (Company No. 12731987).

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  • UX AuditsThe fast-track for growth
Includes tools that help you ship better products

Learning never stops, but sometimes you need a little more.

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Get focused. Get unstuck.

When you’re deep in your own product, blind spots are inevitable. This is a UX audit designed to expose them, in a format that you can't ignore

Book your audit

Trusted by 100+ competitive product teams

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Notion hero
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UX can be the fast-track to growth

Small tweaks to your UX can improve your product metrics. 

Occasionally it’ll lead to a change in mindset that transforms your whole business.

💸 Bad UX is expensive

Years of design debt and a treadmill of new features have created friction. 

Very expensive friction.

📈 You can grow faster

Creating a better user experience will improve your churn, conversion rates and onboarding.

It pays for itself, over and over.

🍋 I’ll give you the shortcuts

I’ve already experimented on squeezing extra juice from 100+ companies, and billions of users.

An audit will fast-track your product cycle.

Churn and conversions up

A tactical audit to drive change

Understanding product psychology and highlighting friction are only helpful if they translate into changes that you can actually implement.

Tried and tested techniques

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    "Crisp and clear feedback that boosted our conversions by 16%."

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    "Improved our UX significantly with a noticeable impact on conversion."

Distilled into actionable insights

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    "Insights we never would have discovered on our own".

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    "Immediately actionable results that were sharp and clearly articulated".

In a format that's hard to ignore

You don’t need a report that looks professional. 

You need something that can be understood, turned into tasks, and then shipped.

A sobering look at what your users experience, in a slideshow that’s easy to digest.
  • Showing every interaction
  • Including edge cases and unhappy paths
  • A fully self-contained analysis
Case study feature slides
A list of every issue raised, weighted, and ordered by importance.
  • Easily convert the audit into tasks
  • Covers everything from small bugs to broader issues
To do feature
Includes post-audit consulting to make sure these changes get shipped.
  • I can help you navigate internal resistance
  • Collaborate on working around technical limitations
  • Give feedback on iterations and designs
Consulting feature
1. An end-to-end audit

The fast track for 100+ products you already love

Notion

Notion

The analysis was so insightful and detailed. He surfaced loads of new thinking and opportunities to orient people experiencing Notion for the first time.

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Stripe

Engaging and thought-provoking. Peter's UX insights about products we build day in and day out but often don't analyse deeply were eye opening!

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Grammarly

Peter delivered immediately actionable results that were sharp, clearly articulated, and directly shaped our product decisions. An amazing thought partner.

Quickbooks

Quickbooks

Peter provided crisp, clear and insightful feedback that boosted our conversions by 16%.

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Windsurf

The team was very impressed with Peter’s obsession over small details. Most of the feedback were insights we never would have discovered on our own.

Yaziologo

Yazio

I love how easy it’s to follow your thoughts! The audit will help us a lot to focus on our user journeys.

Klarna

Klarna

He delivered great insights that were exactly what we needed to take our user experience to the next level.

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Runna

Simply the best. It was highly detailed and took us through many ways we could mix UX and UI with user psychology.

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Maisa

The mechanic who knows exactly which screw to tighten to get the engine running, Peter identified the key points to make a big leap in our product’s UX.

Mobbin

Mobbin

A no-brainer for any product team who wants to gain an edge.

Moonpay

Moonpay

The audit was incredibly helpful and allowed us to improve the UX significantly having a noticeable impact on conversion.

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Elgato

Peter’s audit offered a fresh perspective on the UX of several of our products and proved invaluable in helping us better tell our product ecosystem story.

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AJ Bell

Peter brings insight and intuition to your customer journey. He’s a one-man focus group!

Octopus Energy

Octopus Energy

The audit extracted insights, filled with discussions of best practice and actionable recommendations to feed back into our product.

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Entain

The easy-to-follow storytelling format clearly works. It's kicked off a lot of discussion amongst teams outside of UX—exactly what I was hoping for.

Epidemic Sound

Epidemic Sound

Peter helped us identify improvements with a user-centric mindset, including how to increase wonder, decrease anxiety, and optimise the experience.

Livi

Livi

Peter has, without a doubt, deep knowledge about UX best practices and his work was very insightful to understand the overall health of our product.

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Novo

Peter's UX audit has been so incredibly insightful of how even the smallest UX changes can positively impact customer behaviors. Highly recommend.

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Tuza

Peter showed us a range of issues—big ones that were hiding in plain sight and smaller ones that were subtly impactful. Our product is 10x better as a result.

Pitch

Pitch

We involved Peter to challenge us and our current product design, and he truly delivered.

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Radicant Bank

The audit is very insightful. I especially like your positive tone of voice which wraps the feedback so nicely in a gift!

Stacker HQ

Stacker

We were incredibly impressed by our UX audit – the insights and recommendations helped us challenge and reframe our onboarding experience.

Go Fund Me

GoFundMe

Peter provided interesting ideas and feedback that highlight both his knowledge of product design and customer empathy.

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Penfold

Our audit was a game-changer. The thought and level of detail was far beyond our expectations and drove improvements to our onboarding journey.

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Adam & Eve

With an unrealistic, ridiculous deadline, Peter still delivered an incredible, important piece of work. He saved the day.

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Neighbors

Working with Peter doesn’t just solve immediate problems; it trains you to see the secret elements of UX that make all the difference.

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AstroPay

It highlighted key and actionable insights to improve our critical flows to both delight and simplify our user experience.

TBI

TBI Bank

The audit was extremely useful—like reading a great book. The issues are intuitive, but until you've seen them, you don't think about them.

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Comparis

The analysis was presented in such a comprehensible and compelling way that we are already planning implementations.

VLGE

VLGE

Pete's insights were super helpful. They fast-tracked our design by weeks/months in a day or two.

Nfinnova

Nfinnova

Peter shared great domain knowledge and highlighted the most important aspects of UI/UX, which were beneficial to both us and our customers.

Free

Free

Without Built for Mars, we’d be average, and our customers deserve better. These UX audits help us deliver a world-class experience.

What you can expect

Unlike traditional consultancy, audits are one-off projects designed for action.

A simple process

A simple process

    • Steps and flows mapped out in advance
    • I complete the audit like a mystery shopper
    • You receive an actionable report
Without the waste

Without the waste

    • No 3-hour meetings where I stick irrelevant post-it notes on your walls
    • No ongoing fees or retainers
    • No AI-generated garbage

"Ooh, why didn't we think of that"

Get the quick wins today

Copy what already works and fast track the next 12 months of painful experimentation and failures.

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    "Fast-tracked our design by weeks/months in a day or two."

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    "Our product is 10x better as a result."

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    "Trains you to see the secret elements of UX that make the difference."

Start thinking about tomorrow

Challenge your long held assumptions about how people see your product and refocus on what matters.

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    "Engaging and thought-provoking."

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    "Invaluable in helping us better tell our product ecosystem story."

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    "The format clearly works. It kicked off a lot of discussion amongst teams outside of UX."

Reserve your audit

Every audit is completed by me, and I only take on one at a time.

Because of this, I'll only agree to an audit if I'm confident I can deliver a positive ROI within 6 months.

P.S., I've done this successfully more than 100 times over 6 years.

Is there a URL? Is it on an app store? It is only in a design tool right now? Provide links if possible.

Help me understand your problem and/or goal. Is there a specific flow or metric that you're trying to improve?