PlantSea
PrivateLast Round
Seed
Jan 26, 2024
Est. Valuation
$8.69M
Total Funding Raised
$3.36M
Momentum
Top 1%
of companies Caplight tracks
Company Overview
PlantSea is a biomaterials company that produces regenerative materials from seaweed to create plastic-free, biodegradable, and compostable packaging.
Sector
Energy & Sustainability
Verticals
Sustainable Materials, Biotechnology, Circular Economy, Clean Manufacturing
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting, Government Contracts
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
PlantSea Comparables
Compare PlantSea with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| FlexSea | 85% | |
| Mi Terro | 84% | |
| Searo Labs | 84% |
PlantSea Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Jan 26, 2024 | ||||
| Pre Seed | Sep 29, 2023 | ||||
| Grant | Mar 9, 2022 |
Key People
Founding team and executive leadership
PlantSea Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Angels Invest Wales | Seed |
| Sustainable Ventures | Seed, Pre Seed |
| Innovate UK | Pre Seed, Grant |
| Republic Europe | Seed |
| SFC Capital | Pre Seed |
| Development Bank of Wales | Pre Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 22, 2026
Grew 40% QoQ from 15 to 21 employees.
- Aug 21, 2026
Monthly visitors increased 371% MoM, reaching 989.
PlantSea Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about PlantSea's valuation, stock price, and market status.
Is PlantSea a public or private company?
PlantSea is a private company.
What is the current stock price of PlantSea?
PlantSea is a private company with no public stock price. No recent secondary market data is available.
How much is PlantSea worth (valuation)?
PlantSea's valuation is estimated at $8.7M based on funding round data.
Can I buy PlantSea stock?
PlantSea shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was PlantSea's last funding round?
PlantSea's most recent funding round was Seed on January 26, 2024.
Who are the main investors in PlantSea?
Key investors in PlantSea include Sustainable Ventures, SFC Capital.
Will PlantSea IPO soon?
No public IPO plans have been announced for PlantSea.
How can I track PlantSea secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor PlantSea's secondary market activity and sign up for updates.