Adding value to your brand with clarity, agility and beauty.

Phi is a London-based graphic design studio with expertise in building premium brands for innovative startups. Whether you want to create a new visual identity or strengthen an existing one, Phi.Studio delivers intelligent design solutions grounded in strategic thinking. Founded by Sophie I Rautenbach, the studio remains small so that each client can benefit from a bespoke, agile service defined by the highest standards.





The most successful projects stem from a collaborative approach between designer and client; and whether designing for entrepreneurs, start-ups or multi-national brands we provide a fresh perspective on any sector. Phi.Studio adds value to your brand with strategic research and design; it's about solving problems and ensuring a return on your investment. Below is a small selection of brands the studio has had the fortune to work with, some in partnership with agencies such as Forth Studio, Bunch Design, The Yard Creative, Run Productions, HMX Media and Meme Partnership.

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If you are looking for a brand guardian to enhance your visual communications, our fixed-price brand packages offer a low-risk investment. Our integrated approach is built upon the principles of simplicity and clarity; adding value to your brand to create a deeper connection with your customer. If you don’t see a package that meets your needs, get in touch at to discuss a custom project.


1. Brand Consult

Ask an expert for clarity and answers to your branding questions. This free consultation includes a planning session to identify your branding needs, and helps you decide if our packages are the right choice.

2. Brand Audit

A fresh look at all aspects of your brand to determine critical visual communication flaws with an actionable plan for improving your brand performance via a tailored report, competitor analysis and roadmap. 

3. Brand Launch

Your brand is one of your greatest assets. Whether you are looking to refresh your visual identity or create a new one, Phi.Studio will help you refine your vision, position your business and create a world-class brand.

4. Brand Rollout

If your visual identity has already been established then it's time for a brand guardian to start designing and applying it across multiple channels including your website, social media, printed stationary and more.


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