Leo J Barnett
Mobile App & Platform Designer

Providing an end-to-end App design & development service, just like an agency, but more personal.

Hugely passionate about projects that have a positive social impact and inspire creativity.

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Featured Worldwide by Apple


Collaborative Mapping made Simple

Beautifully built in React Native. Coming 2020.

Members of Geovation Hub - A workspace and community specifically for innovative companies in property and location.


Direct-to-fan Music Platform for Underground Artists

A digital direct-to-fan platform to help independent and underground musicians grow their audiences organically using geo-tracking and social media.

Partnered with Surrey University and the Association of Independent Music.


Startup enthusiast & UXUI designer who’s worked on my own funded passion projects whilst helping various founders bring their app & platform ideas to life.

Proudly received Worldwide features by Apple and been a guest speaker on the App Masters Podcast.

I help clarify USP’s, challenge decisions and advise on research, strategy and monetisation going forward to ensure a crystal clear vision of a product.


I love working with entrepreneurs with fresh ideas. I regularly meet and discuss ventures and always find time to help with creative thinking and validating concepts.

I have an excellent understanding of technical requirements and can comfortably manage projects with development teams.

Worked on startup projects within Dating, Influencer Marketing, Networking, Booking Systems, Restaurant Services, Mobile Video, Gaming, Geo-tech, Recycling, Prop tech and Music tech.

As a startup founder myself, I understand the typical challenges we can face and am here to support all clients as a partner for the long term on the journey.


 Quiz App

"Leo was an absolute dream to work with. His constant creative ideas and probing questions helped open new ideas, lines of thought and strategy. He followed up these ideas and thoughts with very fast and professional looking wireframes. Would highly recommend.”

Services & Partners

Having worked in the tech space for 7 years I have built a trusted & selective range of professional partners which I believe are essential to ensure you have everything you need to bring your project to life to a top tier standard.

What I do

UXUI Design & Creative Strategy


App Redesigns

Advise on Features, Functionality & Monetisation

Investment ready Pitch Decks


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- IOS Development

- Swift, Objective C, php, Node.JS, Xamarin

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- Android Development

- Java, Kotlin, Node.JS, Xamarin

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- React Native Development

- #1 Cross-platform Language

App Development

I work with a close trusted network to suit the specific budget and needs for your project. Whether it's for a web application or a native mobile app, we have it covered.

Branding & Motion Design

Beautiful branding can immediately set you apart from competition and ensure you're memorable.

work with a handful of talented and passionate designers who can provide you with stunning logo's, promotional materials and videos for your projects.

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Software Testing

Testing Specialists

You get one shot to make a great first impression.


 Testing your app is fundamental to it's success and we work with some outstanding testing partners who can make sure your app is bullet proof before going live.

Marketing & Influencers

Now you have your app, let's launch it.


I'm connected with some brilliant digital marketing experts, Viral Media, SEO & PR professionals and can also put you in touch with a range or influencers to promote your product.

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Anything else?

Investment Opportunities

ASO Specialists & Appstore Localisation

Legal Advisors for Trademark & IP

Videographers & Illustrators

Amazon Alexa Voice Specialists

Wix Websites

Have a project? Get in touch.

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The Process

I work very closely with all my clients. For every project we set up a Trello board and Slack Channel to easily manage tasks and progress.

In the early stages we will have a long call, Skype or meeting to get to know each other and understand your product inside out.

Once absolutely sure of the aims and objectives we'll create a specification roadmap and estimated total cost for the design and development.

Once we're all happy, we let the journey begin!