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Fremantle Seaweed

Category: AI in Climate / Energy

Fremantle Seaweed cultivates Asparagopsis, a red seaweed proven to reduce cattle methane emissions by up to 80% when used as a feed supplement. The company also explores applications in carbon capture, organic fertilizer, and human food products. Fremantle Seaweed was founded in 2020. The company is led by Chris de Cuyper. Based in Fremantle, Western Australia, Australia. Team size: 5-25. Total funding raised: $6.5 million. Latest round: Seed round. Key investors include Third Hemisphere, WA Government Investment Attraction Fund, FutureFeed.

Founded
2020
Headquarters
Fremantle, Western Australia, Australia
Team size
5-25
Total funding
$6.5 million

Value proposition

Offers a dual environmental solution: significantly reduces greenhouse gas emissions from cattle while promoting marine ecosystem health through sustainable seaweed farming.

Products and solutions

Asparagopsis seaweed for livestock feed supplements, Carbon capture and ocean acidification mitigation services, Organic fertilizer derived from seaweed, Seaweed-based human food products, Marine biodiversity enhancement through aquaculture

Unique value

First commercial-scale Asparagopsis farm in Australia, leveraging patented CSIRO research. Combines agricultural impact with ocean ecosystem restoration.

Target customer

Livestock farmers, agricultural companies, and environmental organizations seeking methane reduction solutions. Expanding into carbon credit markets and marine biodiversity initiatives.

Industries served

Agriculture (livestock methane reduction), Climate tech (carbon sequestration), Marine conservation, Sustainable aquaculture, Organic agriculture

Technology advantage

Proprietary cultivation techniques optimized for high-yield Asparagopsis growth (6mg bromoform/kg, per CSIRO patent requirements). Integrated marine farming infrastructure in Western Australia.

How they differentiate

Focuses on Asparagopsis seaweed to reduce livestock methane emissions by 80%, leverages Western Australia's pristine waters, and combines aquaculture with climate tech solutions.

Main competitors

Sea Forest, Seaweed Generation, Ocean Rainforest

Key partnerships

FutureFeed (global Asparagopsis feed IP licensing), Western Australian Government (Investment Attraction Fund grant), Aquaculture Council of WA (ACWA), University of Western Australia (research collaboration), KPMG High Growth Ventures (scaling advisory)

Major milestones

Secured $4 million grant from WA Government's Investment Attraction Fund (2023), Launched 32-hectare marine seaweed farm (2023), Completed $2.3 million crowdfunded Seed round (2025), Selected for Founders Factory WA Nature Tech Accelerator (2025), Partnered with FutureFeed for cultivation and research

Growth metrics

32-hectare marine farm operational, 3,000ha North-West Hub development underway

Market positioning

Positioned as a leader in sustainable agriculture technology, bridging aquaculture innovation with methane reduction for livestock.

Geographic focus

Primary operations in Western Australia (Fremantle), with potential expansion plans to other Australian coastal regions.

Patents and IP

Utilizes CSIRO's patented Asparagopsis cultivation methods; holds IP for scalable ocean-based farming systems.

About Chris de Cuyper

Chris de Cuyper is the co-founder and Managing Director of Fremantle Seaweed. He has a background in project delivery and ocean conservation, serving on the Aquaculture Council of Western Australia (ACWA) board. His expertise includes sustainable aquaculture, seaweed farming, and climate solutions.

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