CarbonStrong
PrivateLast Round
Grant
Jun 1, 2026
Momentum
Top 25%
of companies Caplight tracks
Company Overview
CarbonStrong is an environmental services company that develops carbon-reduction technologies designed to produce cleaner concrete.
Sector
Energy & Sustainability
Verticals
Sustainable Materials, Advanced Materials, Construction Tech, Circular Economy
Business Model
B2B
Customer Profile
Hardware Sales, Government Contracts
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
CarbonStrong Comparables
Compare CarbonStrong with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Prometheus Materials | 74% | |
| Fortera | 73% | |
| Betolar Oyj | 72% |
CarbonStrong Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Jun 1, 2026 | ||||
| Seed | May 15, 2026 | ||||
| Pre Seed | Mar 1, 2024 |
CarbonStrong Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| DeVC | Pre Seed |
| Founders Factory | Grant |
| Villgro | Grant |
| Rainmatter Capital Fund | Seed |
| Bharat Founders Fund | Pre Seed |
| Momentum Capital | Pre Seed |
| Social Alpha | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jun 1, 2026
Received grant funding from HSBC, Founders Factory, and Third Derivative.
- May 15, 2026
Led by Rainmatter Capital Fund and Social Alpha.
Recent news
Latest coverage and updates
- invests_into_assetsAug 25, 2026
CarbonStrong invested into assets: production facility in the amount of $1.31M on Aug 25th '26.
- receives_financingAug 25, 2026
CarbonStrong received financing of $1.31M in Seed on Aug 25th '26.
CarbonStrong 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 CarbonStrong's valuation, stock price, and market status.
Is CarbonStrong a public or private company?
CarbonStrong is a private company.
What is the current stock price of CarbonStrong?
CarbonStrong is a private company with no public stock price. No recent secondary market data is available.
How much is CarbonStrong worth (valuation)?
Valuation information for CarbonStrong is not publicly available.
Can I buy CarbonStrong stock?
CarbonStrong shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was CarbonStrong's last funding round?
Funding round information for CarbonStrong is not publicly available.
Who are the main investors in CarbonStrong?
Investor information for CarbonStrong is not publicly disclosed.
Will CarbonStrong IPO soon?
No public IPO plans have been announced for CarbonStrong.
How can I track CarbonStrong secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor CarbonStrong's secondary market activity and sign up for updates.