PlantSea

Updated: March 18, 2026

Founders: Gianmarco Sanfratello, Rhiannon Rees, Alex Newnes

Country: UK | Funding: £1.8M (+)
Founded: 2020

Website: https://plantsea.co.uk/

PlantSea manufactures and develops sustainable products using seaweed and aquaculture materials.

Competitors