10454937 · Active · incorporated 9 years, 11 months ago · Harpenden
Deeptech CleanTech Climate & Sustainability Deep Tech Series A
Develops technology to convert greenhouse gas emissions into high-value nanomaterials and other industrial materials.
Barton Blakeley Technologies Limited is a private limited company registered at Companies House under number 10454937, incorporated on 1 November 2016, with a registered office in Harpenden. Its current status on the register is active. Its filed nature of business covers manufacture of other electrical equipment (SIC 27900) and other research and experimental development on natural sciences and engineering (SIC 72190). Sonde has indexed 59 filings for this company, including 4 funding rounds. Its most recent round closed in March 2026, raising £2.2m.
| Round | Closed | Raised | Price per share |
|---|---|---|---|
| Round 4 | Mar 2026 | £2.2m | £43.15 |
| Round 3 | Mar 2025 | £550k | £36.31 |
| Round 2 | Aug 2024 | £1.2m | £36.31 |
| Round 1 | Aug 2018 | £150k | £847.46 |
Showing the 10 most recent of 59 filings.
See the complete cap table with every shareholder, founder tags, dilution across 11 share allotments, round-by-round fundraising history, and the full filing timeline — parsed from official Companies House documents.
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