# Quartz Holdco Limited

## Details

- **Company number:** [NI691497](https://find-and-update.company-information.service.gov.uk/company/NI691497)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 30 Sep 2022
- **Registered office:** 181 POLLYS BRAE ROAD, DUNGIVEN, LONDONDERRY, BT47 4NX
- **Nature of business:** [64209](/sic/64209) Activities of other holding companies n.e.c.



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| MCCLOSKEY, Cormac Michael | director | 30 Sep 2022 |  |
| TREANOR, Damien | director | 30 Sep 2022 |  |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Errigal Contracts Group Limited | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent | 30 Sep 2022 |  |



## Accounts

| Year ended | Net assets | Cash | Employees |
|---|---|---|---|
| 31 Dec 2025 | -£3,494,476 | £14,217 | 0 |
| 31 Dec 2024 | -£3,437,191 | £6,858 | 0 |
| 31 Dec 2023 | -£248,039 | £325 | 0 |




## Controls

- [Potter Cowan & Company (Belfast), Limited](/company/NI002438) (NI002438)



## Directors' other companies

- [MCCLOSKEY, Cormac Michael](/person/5650855) - director at [Errigal Iwi (Holdings) Limited](/company/NI698537)
- [MCCLOSKEY, Cormac Michael](/person/5650855) - director at [Gillespie Grg (NI) Limited](/company/NI719442)
- [MCCLOSKEY, Cormac Michael](/person/5650855) - director at [Errigal Sustainable Solutions Limited](/company/13877122)



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- [Errigal Iwi (Holdings) Limited](/company/NI698537) (NI698537)
- [Glenconway Investments Limited](/company/NI682811) (NI682811)
- [Portland 38 Management Company Limited](/company/NI688991) (NI688991)
- [Smartwall Install Limited](/company/NI690271) (NI690271)
- [Smartwall Limited](/company/NI681461) (NI681461)