Cascadia Seaweed
British Columbia, CA · Founded 2019 · British Columbia, Canada corporation · 8 known investors
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Cascadia Seaweed cultivates kelp on low-impact ocean farms in British Columbia and manufactures seaweed-based products such as natural fertilizers and livestock feed for crop and livestock farmers. Operating in partnership with coastal First Nations, it positions itself as North America's largest ocean cultivator of kelp for agricultural products.
Founders & leadership
Cascadia Seaweed was founded in 2019 by Michael Williamson.

Investors · 8
Also in the syndicate · 7
Funding
SEC filings, press & company announcements$582.1K disclosed across 5 of 6 rounds · 2021–2024
- Undisclosed amountSeries A Funding RoundNov 2024 · 2 sources
Norfolk Green Ventures, Potato Impact Partners, Realize Impact, the Real Estate Foundation of British Columbia, Vere Ventures, VertueLab Climate Impact Fund, WWF Impact
Source ↗
▶$141.1KraisedAug 2023 · 4 investors · OtherRule 506(b)
- Michael Frank WilliamsonExecutive Officer, Director, Promoter
- Anthony EthierExecutive Officer, Director, Promoter
- William T. CollinsDirector, Promoter
- Edward Justin QuiltyDirector
- Brent SmithDirector
- Roberto Enrico NapoliExecutive Officer, Director
- Offering amount
- $141.1K
- Amount sold
- $141.1K
- First sale
- Aug 2023
- Incorporated
- Corporation, British Columbia, Canada, 2019
- Federal exemptions
- 06b
▶$145.1KraisedJul 2023 · 5 investors · OtherRule 506(b)
- Edward Justin QuiltyDirector
- William T. CollinsDirector, Promoter
- Anthony EthierExecutive Officer, Director, Promoter
- Michael Frank WilliamsonExecutive Officer, Director, Promoter
- Roberto Enrico NapoliExecutive Officer, Director
- Brent SmithDirector
- Offering amount
- $145.1K
- Amount sold
- $145.1K
- First sale
- Jun 2023
- Incorporated
- Corporation, British Columbia, Canada, 2019
- Federal exemptions
- 06b
▶$7.3KraisedFeb 2023 · 1 investors · OtherRule 506(b)
- William T. CollinsDirector, Promoter
- Michael Frank WilliamsonExecutive Officer, Director, Promoter
- Roberto Enrico NapoliExecutive Officer, Director
- Anthony EthierExecutive Officer, Director, Promoter
- Carlo ZarrilloExecutive Officer
- Offering amount
- $7.3K
- Amount sold
- $7.3K
- First sale
- Oct 2022
- Incorporated
- Corporation, British Columbia, Canada, 2019
- Federal exemptions
- 06b
▶$29.5KraisedMar 2022 · 1 investors · OtherRule 506(b)
- Michael Frank WilliamsonExecutive Officer, Director, Promoter
- Carlo ZarrilloExecutive Officer, Director
- Anthony EthierExecutive Officer, Director, Promoter
- William T. CollinsDirector, Promoter
- Roberto Enrico NapoliExecutive Officer, Director
- Offering amount
- $29.5K
- Amount sold
- $29.5K
- First sale
- Feb 2022
- Incorporated
- Corporation, British Columbia, Canada, 2019
- Federal exemptions
- 06b
▶$259KraisedDec 2021 · 2 investors · OtherRule 506(b)
- Roberto Enrico NapoliExecutive Officer, Director
- Michael Frank WilliamsonExecutive Officer, Director, Promoter
- Anthony EthierExecutive Officer, Director, Promoter
- Carlo ZarrilloExecutive Officer, Director
- William T. CollinsDirector, Promoter
- Offering amount
- $259K
- Amount sold
- $259K
- First sale
- Nov 2021
- Incorporated
- Corporation, British Columbia, Canada, 2019
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
In the news
Frequently asked questions
- What does Cascadia Seaweed do?
- Cascadia Seaweed cultivates kelp on low-impact ocean farms in British Columbia and manufactures seaweed-based products such as natural fertilizers and livestock feed for crop and livestock farmers. Operating in partnership with coastal First Nations, it positions itself as North America's largest ocean cultivator of kelp for agricultural products.
- Who founded Cascadia Seaweed?
- Cascadia Seaweed was founded by Michael Williamson in 2019.
- Who are Cascadia Seaweed's investors?
- Cascadia Seaweed's investors include Launch Alaska Investment Fund.
- How much funding has Cascadia Seaweed raised?
- Cascadia Seaweed has disclosed $582.1K raised across 5 of its 6 known rounds.
- Where is Cascadia Seaweed headquartered?
- Cascadia Seaweed is headquartered in British Columbia, CA.

