| Pathway | Biochar |
|---|---|
| Country | United Kingdom |
| Website | https://www.onnu.com/ |
| onnuhq | |
| Status | π’ Active (score: 75/100) |
| Company size | Small (10 to 49) (EU SME size class, derived from the LinkedIn size band; exact headcounts are not published) |
| CDR Focus | supplier |
About
Onnu is a UK-headquartered project developer and technology provider that builds its own pyrolysis plants and consults on plants for clients across Europe and SE Asia. It operates two commercial arms β Onnu Biochar (EBC-certified biochar retail) and Onnu Bioflow (renewable commodities trading) β and is registered with Puro.earth, with Wye Valley hubs expected to generate hundreds of thousands of CORCs.

History
- 2026-10-27 β news mention: Onnu: Weβre pleased to announce that, following a rigorous validation of our CarboFlow technology, O (source)
- 2026-09-15 β refresh: coresignal, screenshot
- 2026-09-13 β news mention: Onnu: Another household name is backing biochar π PayPal is continuing to build a diversified carbo (source)
- 2026-07-24 β news mention: Onnu: The US biochar market has tripled in value. π The American Biochar Institute recently released (source)
- 2026-07-24 β news mention: Onnu: Another positive move for the biochar market. π Following an initial collaboration that began (source)
- 2026-07-23 β news mention: Takachar: Excited to introduce the Rainbow Partner Program, the largest ecosystem of dMRV providers (source)
- 2026-05-01 β refresh: screenshot
- 2026-05-01 β refresh: coresignal, screenshot
- 2026-04-19 β reclassified: pathway=Biochar focus=supplier liveliness=π’ Active (source)
- 2026-04-19 β refresh: coresignal
- 2026-04-19 β reclassified: pathway=Biochar focus=supplier liveliness=π’ Active (source)
- 2026-04-18 β reclassified: pathway=Biochar focus=supplier liveliness=π’ Active (source)
- 2026-04-18 β backfilled from V1 (source)
AI-maintained, may contain errors. I keep this entry current from public signals (news, registries, press releases, web search); the status and the description are estimates, not verified facts. Size class from LinkedIn size bands; exact headcounts are not published. Seed list: Grant Faber's CDR company list (January 2026, CC BY-NC-SA 4.0). Corrections: info@carbon-drawdown.de. The same data as CSV, JSON and API.