About the agency
Built For Mars Agency are a small team of UX design experts, brought together through our love of creating world-class products that make a difference.
In the past, we’ve worked with iconic brands such as Stripe, Google, Natwest, Octopus Energy, Notion and Quickbooks. We’ve experience working at large enterprises through to early-stage startups (including successful exit).
Our mission is simple: To create better products for a better world.
Trusted by products you already love

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!

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.

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

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

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

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.

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

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

Pitch
"I involved Peter to challenge us and our current product design, and he truly delivered."

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.

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

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.

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.

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

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

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

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

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

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

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

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

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

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

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

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

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.

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

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.

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!

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.

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.

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.

Pitch
"I involved Peter to challenge us and our current product design, and he truly delivered."

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

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

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

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

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.

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

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

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

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!

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

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

Pitch
"I involved Peter to challenge us and our current product design, and he truly delivered."

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

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

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

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.

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

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.

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

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.