Build to Zero, S.L.
PrivateLast Round
Grant
Jun 30, 2026
Est. Valuation
$9.82M
Total Funding Raised
$11.72M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Build to Zero, S.L. operates in Energy & Sustainability and is based in Seville. Its latest recorded funding round was a Grant round in June 2026.
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, Smart Buildings, ESG Analytics, Compliance
Business Model
B2B
Customer Profile
Hardware + Subscription, Services & Consulting
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Build to Zero, S.L. Comparables
Compare Build to Zero, S.L. with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Eco-Tech Ceram | 48% | |
| Elstor Oy | 46% | |
| Calectra | 39% |
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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 |
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Key People
Founding team and executive leadership
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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.
- Jul 25, 2026
Monthly visitors increased 37% MoM.
- Jun 30, 2026
$487K grant received from Center for Technological Development and Innovation.
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Build to Zero, S.L. 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.
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Frequently Asked Questions
Common questions about Build to Zero, S.L.'s valuation, stock price, and market status.
Is Build to Zero, S.L. a public or private company?
Build to Zero, S.L. is a private company.
What is the current stock price of Build to Zero, S.L.?
Build to Zero, S.L. is a private company, so its shares have no public market price. Caplight tracks Build to Zero, S.L.'s secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Build to Zero, S.L. worth (valuation)?
Build to Zero, S.L.'s valuation is estimated at $9.8M based on funding round data.
Can I buy Build to Zero, S.L. stock?
Build to Zero, S.L. shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Build to Zero, S.L.'s last funding round?
Build to Zero, S.L.'s most recent funding round was Grant on June 30, 2026.
Who are the main investors in Build to Zero, S.L.?
Key investors in Build to Zero, S.L. include Axon Partners Group.
Will Build to Zero, S.L. IPO soon?
No public IPO plans have been announced for Build to Zero, S.L..
How can I track Build to Zero, S.L. secondary market activity?
Caplight tracks bids, offers, and trades in Build to Zero, S.L.'s shares on secondary markets.