SAISEI

Verbal identity

Tone of voice

Brand launch
Sustainability storytelling

CRM, social & paid Media

Copywriting & editorial

The brief

SAISEI had its name, products and visual identity in place, but no verbal identity or agreed way for the brand to speak. Its debut collection also came with a complex story to tell: seamless garments made from proprietary fabrics, designed around performance, comfort, fit and lower-waste production. Ahead of launch, the challenge was to turn that technical innovation into a distinctive brand story customers could understand and connect with.

My role

I built SAISEI’s verbal identity from the ground up, developing its tone of voice, grammar and style, alongside guidance for product and sustainability storytelling. Working closely with the product, design and technical teams, I got under the skin of how the fabrics and garments were made — from their performance properties to a seamless production process that eliminated the cutting-room waste associated with traditional cut-and-sew construction — and translated that detail into clear, compelling customer-facing language.

I then helped bring the brand to market, applying the new voice across the website, product descriptions, launch messaging, paid and social. I stayed on for around six months after launch, continuing to write across editorial, email, landing pages, new products and colourways, UGC and everyday brand copy.

The outcomes

SAISEI launched with a verbal identity that could communicate both the innovation behind the product and the feeling of wearing it. By developing the voice and applying it in-market, I created a practical system that gave the brand a consistent way to tell its product, performance and sustainability stories as it grew.


“We’ve had the privilege of working with Charlotte for over eight months during the launch of our women’s athleisure brand, and she has been truly instrumental in shaping our voice. She brings an exceptional ability to craft copy and really found the balance between innovation, sustainability, and premium minimalism that we needed - giving us a strong foundation and setting the team up for long-term success. I cannot recommend her highly enough.”

— Bonnie Boyes, VP Marketing

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