# S4 UK Dev Ltd

## Details

- **Company number:** [14373103](https://find-and-update.company-information.service.gov.uk/company/14373103)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 23 Sep 2022
- **Registered office:** 1 SANS WALK, LONDON, EC1R 0LT
- **Nature of business:** [35130](/sic/35130) Distribution of electricity


## Previous names

- Lower 48 Energy Bess Ltd (until 25 Mar 2026)



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| POWER, Ciaran Seamus | director | 25 Sep 2026 |  |
| MAYNE, Blair Edward | director | 7 Jul 2025 | 9 Jun 2026 |
| MAINWARING, Hugh Alexander Kynaston | director | 23 Sep 2022 | 20 Apr 2025 |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Castleton Commodities Luxembourg Holdings S.A.R.L. | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 11 Dec 2023 | 30 Jun 2025 |
| Kamco Investment Company K.S.C. (P) | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 9 Nov 2022 | 11 Dec 2023 |
| Mr Hugh Alexander Kynaston Mainwaring | significant-influence-or-control | 23 Sep 2022 | 11 Dec 2023 |
| Lower 48 Energy Ltd | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 23 Sep 2022 | 11 Dec 2023 |



## Accounts

| Year ended | Net assets | Cash | Employees |
|---|---|---|---|
| 31 Mar 2025 | £19,258,377 | £636,852 | 0 |




## Controls

- [S4 UK Barton Ltd](/company/15662716) (15662716)



## Directors' other companies

- [POWER, Ciaran Seamus](/person/8811306) - director at [S4 UK Barton Ltd](/company/15662716)



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