# Crosmill Limited

## Details

- **Company number:** [01607965](https://find-and-update.company-information.service.gov.uk/company/01607965)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 14 Jan 1982
- **Registered office:** ALTON HOUSE ALTON BUSINESS PARK, ALTON ROAD, ROSS-ON-WYE, HR9 5BP
- **Nature of business:** [72110](/sic/72110) Research and experimental development on biotechnology
- **Corporate group:** [Mariner Topco Limited](/group/19401) (28 companies)


## Previous names

- Crosmill Flocculants Limited (until 9 Feb 2000)



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| HARTLEY, Gavin Michael | director | 12 Nov 2024 |  |
| KEY, Paul | director | 7 Mar 2014 |  |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Mr David James Mcmillan | ownership-of-shares-50-to-75-percent-as-firm, voting-rights-50-to-75-percent, right-to-appoint-and-remove-directors, significant-influence-or-control | 6 Apr 2016 | 12 Aug 2024 |
| Mr Paul Key | ownership-of-shares-25-to-50-percent-as-firm, voting-rights-25-to-50-percent, voting-rights-25-to-50-percent-as-firm, right-to-appoint-and-remove-directors | 6 Apr 2016 | 12 Aug 2024 |
| Crosmill Holdings Limited | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 12 Aug 2024 |  |



## Accounts

| Year ended | Net assets | Cash | Employees |
|---|---|---|---|
| 31 Dec 2024 | £72,686 | £573,720 | 4 |
| 31 Dec 2023 | £675,267 | £1,044,491 | 4 |
| 31 Dec 2022 | £348,479 | £657,290 | 4 |
| 31 Dec 2021 | £294,706 | £699,304 | 0 |
| 31 Dec 2020 | £369,790 | £627,852 | 4 |



## Owned by

Crosmill Limited → [Crosmill Holdings Ltd](/company/03787955) → [HSL Compliance Holdings Limited](/company/08313030) → [HSL Compliance Group Limited](/company/11738872) → [Mariner Bidco Limited](/company/16195589) → [Mariner Midco 2 Limited](/company/16195523)




## Directors' other companies

- [HARTLEY, Gavin Michael](/person/5387649) - director at [Plexus Innovation Limited](/company/11105009)
- [HARTLEY, Gavin Michael](/person/5387649) - director at [Urmson Fire Specialists Limited](/company/11438396)
- [HARTLEY, Gavin Michael](/person/5387649) - director at [Chemtreat Limited](/company/01692887)
- [HARTLEY, Gavin Michael](/person/5387649) - director at [Albanyoak Limited](/company/01704503)
- [HARTLEY, Gavin Michael](/person/5387649) - director at [Aquatreat Limited](/company/01707062)
- [HARTLEY, Gavin Michael](/person/5387649) - director at [R J Urmson Group Limited](/company/12837834)
- [HARTLEY, Gavin Michael](/person/5387649) - director at [Chemical Treatment Services (Ireland) Limited](/company/NI017799)
- [KEY, Paul](/person/6535231) - director at [Kemsolutions Ltd](/company/08189621)



## Companies at the same address

- [Crosmill Holdings Ltd](/company/03787955) (03787955)
- [HSL Compliance Ltd](/company/02425951) (02425951)
- [Mariner Bidco Limited](/company/16195589) (16195589)
- [Mariner Midco 1 Limited](/company/16195465) (16195465)
- [Mariner Midco 2 Limited](/company/16195523) (16195523)
- [Mariner Topco Limited](/company/16195228) (16195228)
- [Treatment 4 Water Limited](/company/05652482) (05652482)