Build to Zero, S.L.
PrivateLast Round
Grant
Jun 30, 2026
Est. Valuation
$9.82M
Total Funding Raised
$11.72M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Build to Zero, S.L. is a climate technology company that develops and manufactures thermal energy storage solutions to decarbonize industrial heat production.
Sector
Energy & Sustainability
Verticals
Green Building, Energy Management, ESG Analytics, Smart Buildings, Compliance & Risk
Business Model
B2B
Customer Profile
Hardware + Subscription, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Build to Zero, S.L. Comps
Public and private peers based on sector, stage, and business model.
| Company | Status | Est. Valuation | Rev Multiple |
|---|---|---|---|
| OpenAI | Private | $86.0B | ~40x |
| Cohere | Private | $5.0B | -- |
| Competitor 1 | Public | $XX.XB | XXx |
| Competitor 2 | Public | $XX.XB | XXx |
Build to Zero, S.L. Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Jun 30, 2026 | ||||
| Grant | Jun 26, 2026 | ||||
| Grant | Jun 15, 2026 | ||||
| VC Round | Dec 19, 2025 | ||||
| Grant | Jul 15, 2024 | ||||
Seed | Sep 11, 2023 |
Build to Zero, S.L. Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Institute for the Diversification and Saving of Energy | Grant |
| Axon Partners Group | VC Round, Seed |
| Center for Technological Development and Innovation | Grant |
| European Innovation Council Fund | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jun 30, 2026
$487K grant received from Center for Technological Development and Innovation.
- May 25, 2024
Grew 25% QoQ from 16 to 20 employees.
Build to Zero, S.L. Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
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Frequently Asked Questions
Common questions about Build to Zero, S.L.'s valuation, stock price, and market status.