Market map · United Kingdom
Algae and seaweed market map: United Kingdom
13 algae and seaweed startups based in the United Kingdom that have raised money in rounds we track, placed in 3 segments by what each says it does. Together they have raised $159M; the biggest segment is food and feed.
Funding by segment
- Food and feed$35M5
- Materials and packaging$96M4
- Farming and cultivation$27M4
Where they are based
- United Kingdom13$159M
United KingdomFounded
1 without a founding year on record.
Total raised
- Under $1M5
- $1M to $10M3
- $10M to $50M4
- $50M to $250M1
- $250M to $1B0
- $1B and over0
Each dot is a startup: the year it was founded across, the total it has raised up (each line is ten times the one below). Pick a segment to pick it out.
12 of 13 startups shown; the rest have no founding year or amount on record.
- 1 to 2
- 3 to 7
- 8 to 24
- 25 to 99
- 100 and more
- United Kingdom13
Startups by country, 1 country in all.
Segment by segment
Food and feed
5 startups · $35M raised
OCEANIUMOceanium develops innovative, all-natural food and nutraceutical products and sustainable materials from sustainably-sourced seaweed.United Kingdom$19M
AlgaeCytesAlgaeCytes is a biotechnology company focused on the sustainable production of high-purity Omega-3 oils, particularly EicosapentaeUnited Kingdom$13M
FirglasFirglas provides commercial-scale algae cultivation for food grade products.United Kingdom$2.0M
BioMaraBioMara is a Scottish biotechnology company founded in 2022, based in Edinburgh.United Kingdom$653K- AKAtlantic KitchenAtlantic Kitchen believes the best tastes in life are wild, and that the most wonderfully wild tastes of all can be found in the pUnited Kingdom$211K
Materials and packaging
4 startups · $96M raised
NotplaNotpla is a London-based sustainable packaging startup founded in 2014 by Rodrigo García González and Pierre Paslier.United Kingdom$89M
KelpiKelpi is a UK-based sustainable materials innovation company founded in 2020.United Kingdom$5.5M
PhycobloomPhycobloom is a London-based biotechnology startup founded in 2019.United Kingdom$1.4M
PlantSeaPlantSea manufactures and develops sustainable products using seaweed and aquaculture materials.United Kingdom$709K
Farming and cultivation
4 startups · $27M raised
Samudra OceansSamudra Oceans is a London-based climate technology startup founded in 2022, focused on advancing ocean farming and blue carbon capture.United Kingdom$14M
Brilliant PlanetBrilliant Planet is a climate technology company based in London, founded in 2013.United Kingdom$12M
AlgapelagoAlgapelago is a regenerative ocean farming company founded in 2021, focused on creating sustainable seaweed forests.United Kingdom$807K
Seaweed GenerationSeaweed Generation is a developer of robotic technologies to harness the power of seaweed cultivation systems to counteract climate change.United Kingdom$365K
How this map is made. Every startup here has raised money in rounds we track, and is based in United Kingdom. It joins the map when its sectors, read from its rounds, or the opening of its own description say it works in algae and seaweed, and goes to the first segment whose words it carries. Each segment shows its best-funded first. Rebuilt nightly; updated 15 November 2026.
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