# Era4 Keystone Limited

## Details

- **Company number:** [17544442](https://find-and-update.company-information.service.gov.uk/company/17544442)
- **Status:** Active
- **Type:** Private limited company
- **Incorporated:** 27 Oct 2026
- **Registered office:** 74 The Black And White Building, Rivington Street, London, EC2A 3AY
- **Nature of business:** [63110](/sic/63110) Data processing, hosting and related activities
- **Corporate group:** [Era5 Limited](/group/109278) (5 companies)



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| HUMPHREYS, Thomas Maybury | director | 27 Oct 2026 |  |
| PARRY, Joseph Peter | director | 27 Oct 2026 |  |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Era4 Holdings Plc | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 27 Oct 2026 |  |




## Owned by

Era4 Keystone Limited → [Era4 Holdings PLC](/company/17449756) → [Era5 Limited](/company/17471436)




## Directors' other companies

- [HUMPHREYS, Thomas Maybury](/person/9742187) - director at [Era4 Limited](/company/16536112)
- [HUMPHREYS, Thomas Maybury](/person/9742187) - director at [Era4 Holdings PLC](/company/17449756)
- [HUMPHREYS, Thomas Maybury](/person/9742187) - director at [Era4 (Erin) Limited](/company/17539206)
- [PARRY, Joseph Peter](/person/8195588) - director at [J&M Data Centre Services Limited](/company/17456568)
- [PARRY, Joseph Peter](/person/8195588) - director at [Era4 (Erin) Limited](/company/17539206)
- [PARRY, Joseph Peter](/person/8195588) - director at [Valencia Energy Limited](/company/13986474)
- [PARRY, Joseph Peter](/person/8195588) - director at [E4dcs Limited](/company/17456179)



## Companies at the same address

- [Era4 (Erin) Limited](/company/17539206) (17539206)