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Fremantle Seaweed

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Grow seaweed to fight climate change and provide a sustainable food source

Fremantle, AustraliaFounded 2020Food

Valuation $5–10M Last recorded · 2025

Headcount <100 Current team size

Total funding $0–10M Disclosed equity funding

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About Fremantle Seaweed

Fremantle Seaweed operates in the sustainable aquaculture sector, focusing on the cultivation of seaweed to address climate change and environmental degradation. The company primarily serves agricultural clients by providing Asparagopsis seaweed, which when fed to cattle, can reduce methane emissions by up to 90%. Additionally, their seaweed products are used for carbon sequestration, organic fertilization, and as a nutritious snack. Operating out of Fremantle, the company has secured a 32-hectare aquaculture lease to expand its operations. Fremantle Seaweed's business model revolves around selling their seaweed products to farmers, environmental organizations, and food markets. Revenue is generated through the sale of these products, which are marketed for their environmental benefits and sustainability. The company is committed to social and environmental outcomes, aiming to protect the oceans and promote biodiversity through their operations.

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At a glance

Status: Operational
Founded: 2020
Headquarters: Fremantle, Australia
Employees: 2
Open positions: None listed
Dealroom signal: 54.3/100
Industry: Food
Sub-industry: AgriTech
Sector: Food, Biotechnology, Seaweed, Sustainable Development Goals, Climate Tech, Methane, Blue Economy, Blue Biotechnology, nt
Business model: Manufacturing
Client focus: b2b
Links: Website LinkedIn

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Funding history

4 recorded events

Company financing events and reported valuations.

Deal type	Date	Amount	Valuation	Investors	Source
GRANT✓Other financing	Nov 2025	$2.6M	—	Government of Western Australia	↗
SEED✓Equity / VC	Nov 2025	$1.5M	$7.1M	OnMarket	↗

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Growth signals

Fremantle Seaweed website traffic

Latest recorded traffic for Fremantle Seaweed is 1.4K monthly website visits, down 6.7% over the last three months. Fremantle Seaweed's team grew 0% over the past year.

Latest monthly visits1.4K 3-month web change-6.7% 1-year team growth0%

Monthly website visitsMar 2024–Jul 2026

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Company	Headquarters	Status	Employees	Total funding	Valuation
ABAlga BiosciencesWe are decreasing agricultural methane emissions	San Francisco, United States	Operational	5	$4.1M	$16M
FUFutureFeedA nnatural ingredient for livestock to significantly reduce carbon emissions	Launceston, Australia	Operational
SYSymbrosiaSeaweed feed additive reducing livestock methane emissions	Kailua (Hawaiʻi County), United States	Operational
SFSea ForestDedicated to fighting climate change by being the first in the world to cultivate Asparagopsis at a commercial scale	Triabunna, Australia	Operational
CGCH4 GlobalDeveloped an initiative to cut methane emissions from livestock using a seaweed bio-product	Henderson, United States	Operational
BBBlue Ocean BarnsOn a mission to solve the global climate impact of cattle by working with farmers and food companies to commercialize and radically scale the production and use of our unique feed ingredient	Redwood City, United States	Operational
VGVolta GreentechFeed additives reducing cattle methane emissions	Solna kommun, Sweden	Operational
ALAlgaNovaReducing methane emissions from cows using seaweed	London, United Kingdom	Closed