# Pollution Monitors Limited

## Details

- **Company number:** [01979565](https://find-and-update.company-information.service.gov.uk/company/01979565)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 17 Jan 1986
- **Registered office:** STABLES 1, HOWBERY PARK, WALLINGFORD, OX10 8BA
- **Nature of business:** [26511](/sic/26511) Manufacture of electronic measuring, testing etc. equipment, not for industrial process control
- **Corporate group:** [Constellation Software UK Holdco Ltd](/group/890) (130 companies)




## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Pollmon Group Holdings Ltd | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors-as-firm, significant-influence-or-control-as-firm | 6 Apr 2016 | 16 Jan 2026 |
| Vesta Software Group Limited | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 16 Jan 2026 |  |



## Accounts

| Year ended | Net assets | Cash | Employees |
|---|---|---|---|
| 31 Dec 2024 | £752,777 | £265,107 | 21 |
| 31 Dec 2023 | £498,986 | £99,881 | 18 |
| 31 Dec 2021 | £338,120 | £189,009 | 14 |
| 31 Dec 2020 | £261,651 | £112,220 | 14 |
| 31 Dec 2019 | £258,847 | £98,035 | 12 |
| 31 Dec 2018 | £256,261 | £75,210 | 12 |
| 31 Dec 2017 | £267,159 | £151,191 | 11 |
| 31 Dec 2016 | £259,600 | £115,565 | 11 |
| 31 Dec 2015 | £229,102 | £151,865 | - |
| 31 Dec 2014 | £172,555 | £133,316 | - |
| 31 Dec 2013 | £167,078 | £102,230 | - |
| 31 Dec 2012 | £142,109 | £115,297 | - |
| 31 Dec 2011 | £134,220 | £99,983 | - |
| 31 Dec 2010 | £107,533 | £76,777 | - |
| 31 Dec 2009 | £107,693 | £44,828 | - |



## Owned by

Pollution Monitors Limited → [Vesta Software Group Limited](/company/08242670) → [Constellation Software UK Holdco Ltd](/company/09206065)





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