Calcarea Inc.
PrivateLast Round
Seed
Jan 30, 2023
Total Funding Raised
$3.5M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Calcarea Inc. is a climate-tech company that develops marine carbon capture systems designed to decarbonize the shipping industry by accelerating the natural weathering of limestone.
Sector
Energy & Sustainability
Verticals
Carbon Capture, Maritime & Shipping, Clean Transportation
Business Model
B2B
Customer Profile
Services & Consulting, Hardware Sales
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Calcarea Inc. Comparables
Compare Calcarea Inc. with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Carbon Ridge | 91% | |
| Value Maritime | 85% | |
| Seabound | 85% |
Calcarea Inc. Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Jan 30, 2023 |
Key People
Founding team and executive leadership
Calcarea Inc. Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| The Grantham Foundation for the Protection of the Environment | Seed |
| Propeller | Seed |
| Caltech Seed Fund | Seed |
| Azolla Ventures | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 3, 2026
Open roles increased from 0 to 3, representing 21% of headcount.
- Feb 4, 2026
Monthly visitors increased 163% MoM.
Calcarea Inc. Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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