The design studio for Changemakers

The design studio for Changemakers

The design studio for Changemakers

We amplify brand stories for fast-growing purpose-led businesses and non-profits.

ToneDef.isbuilttosuperchargebrandexperiencesandstoriesformission-ledstartups,SMEsandcharities.OurBrand,MarketingandDigitalDesignexpertsleveragethebestofcreativitytopoweradesirablefuture.Weworkwithmarketers,businessownersandproductleadersinGreenManufacturing,Healthcare,CleanTech,SustainableFMCGandNon-Profits.
ToneDef.isbuilttosuperchargebrandexperiencesandstoriesformission-ledstartups,SMEsandcharities.OurBrand,MarketingandDigitalDesignexpertsleveragethebestofcreativitytopoweradesirablefuture.Weworkwithmarketers,businessownersandproductleadersinGreenManufacturing,Healthcare,CleanTech,SustainableFMCGandNon-Profits.
ToneDef.isbuilttosuperchargebrandexperiencesandstoriesformission-ledstartups,SMEsandcharities.OurBrand,MarketingandDigitalDesignexpertsleveragethebestofcreativitytopoweradesirablefuture.Weworkwithmarketers,businessownersandproductleadersinGreenManufacturing,Healthcare,CleanTech,SustainableFMCGandNon-Profits.

10%

of brands maintain consistency across all products and marketing channels

10%

of brands maintain consistency across all products and marketing channels

50%

of consumers globally consider brand purpose and environmental or social considerations as key purchasing criteria

50%

of consumers globally consider brand purpose and environmental or social considerations as key purchasing criteria

90%

of consumers expect a seamless brand experience across all marketing channels

90%

of consumers expect a seamless brand experience across all marketing channels

Our Mission

We exist to amplify those shaping a desirable future, by supporting busy teams with a big vision and little time.
Agencies help big teams and freelancers support the smaller ones, so we're here for those in motion. Because sustainable growth deserves its own framework.


Let’s Work Together.

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They said it

(01 - 05)

The workshop we held with Tone Def. was worth its weight in gold. In just half a day, they helped us distil Rhizo PTX’s complex Power-to-X mission into a clear, punchy brand vision. The proposal they put together was massive in scope and incredibly professional. What really sets them apart is their model, which gives you the focus and agility of a freelancer but with the reliability of a full studio. The strategic clarity they provided acted as a massive catalyst for our internal team. They are truly a top-tier partner for any purpose-driven company.

man wearing black shirt

Ash Stott @Rhizo PTX

Co-Founder & CEO

They said it

(01 - 05)

The workshop we held with Tone Def. was worth its weight in gold. In just half a day, they helped us distil Rhizo PTX’s complex Power-to-X mission into a clear, punchy brand vision. The proposal they put together was massive in scope and incredibly professional. What really sets them apart is their model, which gives you the focus and agility of a freelancer but with the reliability of a full studio. The strategic clarity they provided acted as a massive catalyst for our internal team. They are truly a top-tier partner for any purpose-driven company.

man wearing black shirt

Ash Stott @Rhizo PTX

Co-Founder & CEO

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The design studio for Changemakers

mark@tone-def.co.uk

All rights reserved. Tone Def. 2026. Tone Def. is a trading name of The Footprint Collective Ltd, company number 16227335 with a registered address London Office, 167-169 Great Portland Street, London, England, W1W 5PF

The design studio for Changemakers

mark@tone-def.co.uk

All rights reserved. Tone Def. 2026. Tone Def. is a trading name of The Footprint Collective Ltd, company number 16227335 with a registered address London Office, 167-169 Great Portland Street, London, England, W1W 5PF

The design studio for Changemakers

mark@tone-def.co.uk

All rights reserved. Tone Def. 2026. Tone Def. is a trading name of The Footprint Collective Ltd, company number 16227335 with a registered address London Office, 167-169 Great Portland Street, London, England, W1W 5PF