# Water Midco Limited

## Details

- **Company number:** [17456947](https://find-and-update.company-information.service.gov.uk/company/17456947)
- **Status:** active
- **Type:** ltd
- **Incorporated:** 14 Sep 2026
- **Registered office:** 5 ALBANY COURT YARD, LONDON, W1J 0HF
- **Nature of business:** [64209](/sic/64209) Activities of other holding companies n.e.c.
- **Corporate group:** [Agathos Management LLP](/group/18337) (55 companies)



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| COSTELLO, Hugh | director | 14 Sep 2026 |  |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Water Topco Limited | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 14 Sep 2026 |  |




## Owned by

Water Midco Limited → [Water Topco Limited](/company/17456662) → [Agathos Iii Gp LLP](/company/OC454523) → [Agathos Ii Management Limited](/company/12838809) → [Agathos Management LLP](/company/OC396280)



## Controls

- [Water Bidco Limited](/company/17457361) (17457361)



## Directors' other companies

- [COSTELLO, Hugh](/person/8203569) - director at [Water Topco Limited](/company/17456662)



## Companies at the same address

- [Agathos Ii Gp LLP](/company/OC433175) (OC433175)
- [Agathos Ii L.P.](/company/LP021254) (LP021254)
- [Agathos Ii Management Ii Limited](/company/12838833) (12838833)
- [Agathos Ii Management Limited](/company/12838809) (12838809)
- [Agathos Iii Gp LLP](/company/OC454523) (OC454523)
- [Agathos Iii Management Limited](/company/16081712) (16081712)
- [Agathos Management General Partner LLP](/company/OC444619) (OC444619)
- [Effra Bidco Limited](/company/14880260) (14880260)
- [Effra Midco Limited](/company/14877006) (14877006)
- [Effra Topco Limited](/company/14873790) (14873790)