PlantSea
PlantSea Ltd
Registered as PLANTSEA LTDCompany 12551709Activesince 8 April 2020· St. Asaph
Role: Founders
Compostable packaging from seaweed.
Description from the company’s Startups 100 profile.
Rhiannon Rees, Alex Newnes and Gianmarco Sanfratello
PlantSea: compostable packaging from seaweed
- Founded 2020
- Development Bank of Wales backed
- First sales made
About
Rhiannon Rees was shocked by plastic pollution in Bali and joined Alex Newnes and Gianmarco Sanfratello in Wales to found PlantSea in 2020. PlantSea makes biodegradable, compostable packaging from seaweed and plants and aims to make its own seaweed extract in North Wales.
It has investment from the Development Bank of Wales, Sustainable Ventures and SFC Capital, and has made its first sales.
Number 60 on the Startups 100 Index 2025.
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