Investor profile
Acclimate Ventures
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Acclimate Ventures partners with early-stage founders building the core technologies driving AI performance, efficiency, and scale. The firm focuses on US & UK deep tech climate ventures, backing leaders and teams obsessed with solving customer problems and delivering transformational solutions on a global scale. Beyond capital, Acclimate brings lessons from tech, strategies and playbooks for routes to market in the US and UK/Europe, customer discovery support, and connections to follow-on capital and corporate partnerships.
Notable quotes
“Mark is my sounding board and brings an army knife of product insight, operations, and access to growth capital that makes him extremely useful to Vaire Computing.”
“Acclimate Ventures was in our corner early and helped us build a relationship with our lead investor, exactly the kind of support that matters.”
“Acclimate Ventures brings their network, knowledge and access to help entrepreneurs grow and scale. They are keen to support next generation technologies, bold ideas and radical thinking — and stand with you even in tough times.”
Recent investments
| Company | Round | Size | Date |
|---|---|---|---|
| GridCARE | Series A | $64m | 2026-05 |
| OpenLight | Series A Extension | $50m | 2026-04 |
| Gruve | Series A Extension | — | 2026-02 |
| Hammerhead AI | Seed | $10m | 2025-11 |
| Exowatt | Series A | $70m | 2025-04 |
| Vaire Computing | Seed | $10m | 2025-01 |
| Conductor Quantum | Seed | — | 2024 |
| Plumerai | Seed | — | — |
| Ferveret | Seed | — | — |
| Amperesand | Seed | — | — |
Frequent co-investors
| VC firm | Deals together |
|---|---|
| Xora Innovation | 3 |
| Matter Venture Partners | 2 |
| Future Energy Ventures | 2 |
| Clearvision Ventures | 2 |
| MCJ Collective | 2 |
| Andreessen Horowitz (a16z) | 2 |
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