PlantSea is a materials and biotechnology company based in Wales. Its work centres on developing regenerative biomaterials from seaweed, with the specific aim of creating biodegradable replacements for plastics in packaging.
The company's technical focus spans biotechnology, materials science, biorefining, and polymer characterisation. A primary product in development is seaweed-based films intended to replace conventional plastic packaging in food and water supply chains.
PlantSea operates in the intersection of sustainable packaging and plastics replacement, working to bring biodegradable biomaterials to mass-market scale. The firm is mission-driven, targeting the reduction of plastic pollution through materials that balance environmental and performance outcomes, and has pursued collaborative partnerships and grant funding to support scale-up.
