Climate Vault
Accelerating organizations’ ability to achieve verifiable, scalable, and immediate carbon reduction + ultimate removal
22 employees · est. 2020 · Seattle, United States
Wren is the older company (2020 vs 2019); Wren is the larger of the two.
Side-by-Side Comparison
| Metric | Climate Vault | Wren |
|---|---|---|
| Founded | ||
| Founded | 2020 | 2019 older |
| Headquarters | ||
| Headquarters | Seattle, United States | San Jose, United States |
| Employees | ||
| Employees | 22 | 333 larger |
| Industry | ||
| Industry | ESG, Sustainability | Internet |
| Funding Stage | ||
| Funding Stage | Series Unknown | Seed |
| Total Funding | ||
| Total Funding | $18.76M | $8.25M |
| Funding Rounds | ||
| Funding Rounds | 2 | 4 |
| Services | ||
| Services | Not tracked yet | Carbon footprint calculation, Carbon offsetting subscription, Customized carbon reduction strategies, API integration for carbon tracking |
| Target Customers | ||
| Target Customers | Not tracked yet | Individuals, Businesses, Philanthropists, Climate-conscious consumers, Companies committed to sustainability |
| Taxonomy | ||
| Taxonomy | Climate Action, Carbon Reduction, Carbon Removal, Environmental Impact, Compliance Carbon Markets, Carbon Footprint Measurement, Data-Centric Solutions, Corporate Sustainability, Carbon Offsetting, Emission Reduction, Green Technology, Sustainability Reporting | Carbon Offsets, Carbon Neutral, Green Tech, Climate Work |
| Website | ||
| Website | climatevault.com | wren.co |
About Climate Vault
Climate Vault is a startup focused on accelerating organizations’ ability to achieve verifiable, scalable, and immediate carbon reduction + ultimate removal. The company, founded in 2020 and headquartered in the United States, offers a comprehensive solution for truly verifiable and immediate carbon...
About Wren
Wren is a climate-focused startup that aims to help individuals live carbon neutral by accounting for and offsetting their carbon emissions through transparent climate projects. Since its establishment in 2019, the company has already made a significant impact by sending millions of dollars and redu...
We will tell you when either one moves
BounceWatch watches Climate Vault and Wren for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at Climate Vault and Wren — by email.
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Compiled from the BounceWatch company index. We last looked at Climate Vault on 10 Mar 2025, and Wren on 24 Mar 2025. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.