# Mosaic Bidco Limited

## Details

- **Company number:** [16718951](https://find-and-update.company-information.service.gov.uk/company/16718951)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 15 Sep 2025
- **Registered office:** 3RD FLOOR, 52 CONDUIT STREET, LONDON, W1S 2YX
- **Nature of business:** [64209](/sic/64209) Activities of other holding companies n.e.c.


## Previous names

- Hamsard 3827 Limited (until 11 May 2026)



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| GILLESPIE, Leon John | director | 8 May 2026 |  |
| WILLIAMS, Mark Llewellyn | director | 8 May 2026 |  |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Squire Patton Boggs Directors Limited | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 15 Sep 2025 | 8 May 2026 |
| Goldenpeak Holdco I Limited | significant-influence-or-control | 8 May 2026 | 15 May 2026 |
| Mosaic Midco Limited | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 15 May 2026 |  |





## Controls

- [Ampere Analysis Limited](/company/09146046) (09146046)



## Directors' other companies

- [GILLESPIE, Leon John](/person/7775010) - llp-designated-member at [Goldenpeak Private Equity Partners Topco LLP](/company/OC458471)
- [GILLESPIE, Leon John](/person/7775010) - director at [Mosaic Midco Limited](/company/16835671)
- [GILLESPIE, Leon John](/person/7775010) - llp-designated-member at [Goldenpeak Private Equity Partners LLP](/company/OC457973)
- [WILLIAMS, Mark Llewellyn](/person/7775238) - director at [Mosaic Midco Limited](/company/16835671)



## Companies at the same address

- [Goldenpeak Private Equity Partners LLP](/company/OC457973) (OC457973)
- [Goldenpeak Private Equity Partners Topco LLP](/company/OC458471) (OC458471)
- [Mosaic Midco Limited](/company/16835671) (16835671)