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 1, 2026
Open roles increased to 8, representing 50% of headcount.
- Jul 27, 2026
Grew 27% QoQ from 15 to 19 employees.
PlantSea Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about PlantSea's valuation, stock price, and market status.