Demeter Bio Limited
PrivateLast Round
Early Funding
Jul 10, 2026
Est. Valuation
$4.42M
Total Funding Raised
$1.24M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Demeter Bio Limited operates in Energy & Sustainability and is based in London. Its latest recorded funding round was an Early Funding round in July 2026.
Demeter Bio Limited is a biotechnology company that develops sustainable, bio-based materials and high-performance biopolymers as alternatives to toxic chemicals like PFAS for the textile, packaging, and cosmetic industries.
Sector
Energy & Sustainability
Verticals
Sustainable Materials, Biotechnology, Circular Economy, Clean Manufacturing
Business Model
B2B
Customer Profile
Services & Consulting, Data as a Service
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Demeter Bio Limited Comparables
Compare Demeter Bio Limited with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| ADN Coatings Ltd | 82% | |
| Melazyme | 76% | |
| BIOWEG | 74% |
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Demeter Bio Limited Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Early Funding | Jul 10, 2026 | ||||
| Grant | Feb 1, 2026 | ||||
| Seed | May 18, 2025 | ||||
| Accelerator | Jan 1, 2025 |
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Demeter Bio Limited Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Innovate UK | Grant |
| One Planet Capital | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Oct 26, 2026
Open roles increased to 2, 2.6x the trailing average.
- Aug 31, 2026
Open job postings increased from 0 to 1, representing 25% of headcount.
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Recent news
Latest coverage and updates
- recognized_asSep 10, 2026
The Royal Society of Chemistry recognizes Demeter Bio as the Environment category winner in the 2026 Emerging Technologies Competition for its AguaShield coating in United Kingdom on Sep 10th '26.
- receives_awardSep 2, 2026
In 2026, Demeter Bio wins the environment category of the Royal Society of Chemistry's Emerging Technologies Competition in United Kingdom for its bio-based alternative to PFAS coatings.
- launchesAug 27, 2026
On Aug 27th '26 in the United Kingdom, Demeter Bio unveils Fibrepel, a PFAS-free biomaterial coating designed to provide durable water, oil, and alcohol repellency for textiles, packaging, and other high-performance materials.
- attends_eventAug 27, 2026
Demeter Bio's CEO, Rayan Osseiran, attends the Emerging Technologies competition awards ceremony in the United Kingdom in Jul '26.
- launchesAug 26, 2026
Demeter Bio launched Fibrepel on Aug 26th '26.
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Demeter Bio Limited Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Frequently Asked Questions
Common questions about Demeter Bio Limited's valuation, stock price, and market status.
Is Demeter Bio Limited a public or private company?
Demeter Bio Limited is a private company.
What is the current stock price of Demeter Bio Limited?
Demeter Bio Limited is a private company, so its shares have no public market price. Caplight tracks Demeter Bio Limited's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Demeter Bio Limited worth (valuation)?
Demeter Bio Limited's valuation is estimated at $4.4M based on funding round data.
Can I buy Demeter Bio Limited stock?
Demeter Bio Limited shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Demeter Bio Limited's last funding round?
Demeter Bio Limited's most recent funding round was Early Funding on July 10, 2026.
Who are the main investors in Demeter Bio Limited?
Key investors in Demeter Bio Limited include Innovate UK, One Planet Capital.
Will Demeter Bio Limited IPO soon?
No public IPO plans have been announced for Demeter Bio Limited.
How can I track Demeter Bio Limited secondary market activity?
Caplight tracks bids, offers, and trades in Demeter Bio Limited's shares on secondary markets.