Algaesys
PrivateLast Round
Grant
May 16, 2025
Total Funding Raised
$2.07M
Company Overview
Algaesys operates in Energy & Sustainability and is based in Alcochete. Its latest recorded funding round was a Grant round in May 2025.
Algaesys is an environmental services company that provides innovative, high-rate phototrophic biofilm reactor technology for sustainable wastewater treatment and resource recovery.
Sector
Energy & Sustainability
Verticals
Water Treatment, Carbon Capture, Circular Economy, Waste Management
Business Model
B2B
Customer Profile
Services & Consulting, Hardware Sales, Revenue Share
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Algaesys Comparables
Compare Algaesys with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| AlgaFilm Technologies | 86% | |
| OneWater Inc. | 85% | |
| Gross-Wen Technologies | 83% |
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Algaesys Funding Rounds
Historical fundraising activity
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Key People
Founding team and executive leadership
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Algaesys Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Calouste Gulbenkian Foundation | Grant |
| Bluebio Alliance | Grant |
| Oceano Azul Foundation | Grant |
| City of Fremantle | Grant |
| Plus Eight Accelerator | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 7, 2026
Monthly visitors grew 556% MoM.
- Jan 21, 2026
Monthly visitors increased 1337% MoM.
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Algaesys 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 Algaesys's valuation, stock price, and market status.
Is Algaesys a public or private company?
Algaesys is a private company.
What is the current stock price of Algaesys?
Algaesys is a private company, so its shares have no public market price. Caplight tracks Algaesys's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Algaesys worth (valuation)?
Valuation information for Algaesys is not publicly available.
Can I buy Algaesys stock?
Algaesys shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Algaesys's last funding round?
Algaesys's most recent funding round was Grant on May 16, 2025.
Who are the main investors in Algaesys?
Key investors in Algaesys include Calouste Gulbenkian Foundation, Bluebio Alliance, Oceano Azul Foundation, City of Fremantle, Plus Eight Accelerator.
Will Algaesys IPO soon?
No public IPO plans have been announced for Algaesys.
How can I track Algaesys secondary market activity?
Caplight tracks bids, offers, and trades in Algaesys's shares on secondary markets.