Planet Smart
PrivateLast Round
Pre Seed
Nov 18, 2025
Est. Valuation
$162M
Total Funding Raised
$110.24M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Planet Smart operates in Energy & Sustainability and is based in London. Its latest recorded funding round was a Pre Seed round in November 2025.
Planet Smart is a biomaterials company that develops PlanetSorb, a naturally biodegradable superabsorbent polymer designed to replace fossil-based plastics in hygiene products.
Sector
Energy & Sustainability
Verticals
Sustainable Materials, Advanced Materials, Circular Economy, Clean Manufacturing, Waste Management
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Planet Smart Comparables
Compare Planet Smart with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| A&B Smart Materials | 94% | |
| Elea & Lili | 78% | |
| EF Polymer | 77% |
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Planet Smart Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Pre Seed | Nov 18, 2025 | ||||
| Corporate Funding | Feb 14, 2025 | ||||
| Early Funding | Jan 14, 2020 | ||||
| Series A | Dec 31, 2018 |
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Planet Smart Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Innovate UK | Pre Seed |
| Innovate UK | Pre Seed |
| Vertical Venture Partners | Pre Seed |
| Vertical Venture Partners | Pre Seed |
| General Inception | Pre Seed |
| Undaunted | Pre Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Nov 21, 2025
Launched a biodegradable Superabsorbent Polymer (SAP) to combat microplastic waste.
- Nov 18, 2025
$1M raised in Pre Seed round.
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Planet Smart 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.
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Frequently Asked Questions
Common questions about Planet Smart's valuation, stock price, and market status.
Is Planet Smart a public or private company?
Planet Smart is a private company.
What is the current stock price of Planet Smart?
Planet Smart is a private company, so its shares have no public market price. Caplight tracks Planet Smart's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Planet Smart worth (valuation)?
Planet Smart's valuation is estimated at $162.0M based on funding round data.
Can I buy Planet Smart stock?
Planet Smart shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Planet Smart's last funding round?
Planet Smart's most recent funding round was Pre Seed on November 18, 2025.
Who are the main investors in Planet Smart?
Key investors in Planet Smart include Vertical Venture Partners, Vertical Venture Partners, General Inception.
Will Planet Smart IPO soon?
No public IPO plans have been announced for Planet Smart.
How can I track Planet Smart secondary market activity?
Caplight tracks bids, offers, and trades in Planet Smart's shares on secondary markets.