Green City Solutions
PrivateLast Round
Early Funding
Jul 18, 2025
Total Funding Raised
$4.99M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Green City Solutions is a cleantech company that develops and produces biotech air filters using moss and IoT technology to improve urban air quality.
Sector
Energy & Sustainability
Verticals
Environmental Monitoring, Green Building, Biotechnology, IoT Hardware, Smart Buildings
Business Model
B2G
Customer Profile
Hardware + Subscription, Hardware Sales, Government Contracts, Services & Consulting
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Green City Solutions Comparables
Compare Green City Solutions with similar companies based on industry and business-model similarity.
Green City Solutions Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Early Funding | Jul 18, 2025 | ||||
| Series A Extension | Jan 2, 2024 | ||||
| Corporate Funding | Oct 26, 2022 | ||||
| Series A | Jan 15, 2022 | ||||
| Grant | Mar 1, 2019 | ||||
Seed | Dec 1, 2016 |
Green City Solutions Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Investitionsbank des Landes Brandenburg | Series A |
| European Union's Horizon Research and Innovation program | Grant |
| Coparion | Seed |
| Companisto | Series A, Early Funding, Series A Extension |
Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 13, 2026
Monthly visitors increased 55% MoM.
- Jul 25, 2026
Monthly visitors increased 91% MoM.
Recent news
Latest coverage and updates
- recognized_asSep 4, 2026
Green City Solutions is nominated as one of six finalist companies for the Urban Land Institute’s ULI PropTech Innovation Challenge, with the six finalists presenting their solutions at JLL in Frankfurt, Germany, on Aug 19th '26.
- recognized_asAug 25, 2026
On Aug 25th '26, Green City Solutions reaches the Top 50 of the 2026 QBE AcceliCITY Resilience Challenge, led by Leading Cities and supported by the QBE Foundation, recognizing its participation and pilot project proposal for cities and municipalities.
Green City Solutions 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 Green City Solutions's valuation, stock price, and market status.
Is Green City Solutions a public or private company?
Green City Solutions is a private company.
What is the current stock price of Green City Solutions?
Green City Solutions is a private company, so its shares have no public market price. Caplight tracks Green City Solutions's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Green City Solutions worth (valuation)?
Valuation information for Green City Solutions is not publicly available.
Can I buy Green City Solutions stock?
Green City Solutions shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Green City Solutions's last funding round?
Green City Solutions's most recent funding round was Early Funding on July 18, 2025.
Who are the main investors in Green City Solutions?
Key investors in Green City Solutions include Investitionsbank des Landes Brandenburg, European Union's Horizon Research and Innovation program, Coparion, Companisto.
Will Green City Solutions IPO soon?
No public IPO plans have been announced for Green City Solutions.
How can I track Green City Solutions secondary market activity?
Caplight tracks bids, offers, and trades in Green City Solutions's shares on secondary markets.