08149485 · Active · incorporated 14 years, 1 month ago · Rotherham
Energy CleanTech Energy Renewables Series A
Develops and manufactures grid-level energy storage batteries with a focus on low-cost solutions for renewable electricity.
https://www.cumulusenergystorage.com/
Cumulus Energy Storage Limited is a private limited company registered at Companies House under number 08149485, incorporated on 19 July 2012, with a registered office in Rotherham, South Yorkshire. Its current status on the register is active. Its filed nature of business is manufacture of batteries and accumulators (SIC 27200). Sonde has indexed 99 filings for this company, including 10 funding rounds. Its most recent round closed in February 2026, raising £55k.
| Round | Closed | Raised | Price per share |
|---|---|---|---|
| Round 10 | Feb 2026 | £55k | £0.042 |
| Round 9 | Nov 2023 | £141k | £0.075 |
| Round 8 | Dec 2022 | £277k | £5.15 |
| Round 7 | Feb 2022 | £568k | £0.176 |
| Round 6 | Feb 2022 | £247k | £0.906 |
| Round 5 | Aug 2021 | £62k | £0.176 |
Showing the 6 most recent of 10 rounds.
Showing the 12 most recent of 99 filings.
See the complete cap table with every shareholder, founder tags, dilution across 33 share allotments, round-by-round fundraising history, and the full filing timeline — parsed from official Companies House documents.
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