# Tetra Tech UK Holdings Limited

## Details

- **Company number:** [05909611](https://find-and-update.company-information.service.gov.uk/company/05909611)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 17 Aug 2006
- **Registered office:** 101 PARK DRIVE, MILTON PARK, ABINGDON, OX14 4RY
- **Nature of business:** [70100](/sic/70100) Activities of head offices
- **Corporate group:** [Renew Holdings PLC.](/group/74318) (125 companies)


## Previous names

- Coffey UK Limited (until 8 May 2019)



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| GREEN, Christopher James | director | 11 Dec 2024 |  |
| LEMMON, Richard Alan | director | 20 Mar 2017 |  |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Tetra Tech, Inc. | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 6 Apr 2017 |  |



## Accounts

| Year ended | Net assets | Cash | Employees |
|---|---|---|---|
| 28 Sep 2025 | £573,479,000 | £8,526,000 | 0 |
| 30 Sep 2024 | £816,453,000 | £8,637,000 | 0 |
| 30 Sep 2023 | £839,470,000 | £13,741,000 | 0 |
| 30 Sep 2022 | £141,946,000 | £3,230,000 | 0 |
| 30 Sep 2021 | £127,663,000 | £9,000 | 0 |
| 30 Sep 2020 | £58,830,000 | £157,000 | 0 |
| 30 Sep 2019 | £58,398,000 | £962,000 | - |




## Controls

- [R P S Group Limited](/company/02087786) (02087786)
- [Tetra Tech Europe Executive Services Limited](/company/10705397) (10705397)
- [Tetra Tech UK Consulting Group Limited](/company/01869543) (01869543)
- [Tetra Tech UK Limited](/company/12241404) (12241404)



## Directors' other companies

- [GREEN, Christopher James](/person/6305935) - director at [RPS Trustees Limited](/company/02880571)
- [GREEN, Christopher James](/person/6305935) - director at [Nautilus Limited](/company/03635033)
- [GREEN, Christopher James](/person/6305935) - director at [Tetra Tech UK Limited](/company/12241404)
- [LEMMON, Richard Alan](/person/7027855) - director at [Coffey Geotechnics Limited](/company/06328315)



## Companies at the same address

- [Aquaterra International Limited](/company/04135827) (04135827)
- [ECL Group Limited](/company/03108396) (03108396)
- [Exploration Consultants Limited](/company/02453804) (02453804)
- [R P S Group Limited](/company/02087786) (02087786)
- [Tetra Tech Consulting Limited](/company/01470149) (01470149)
- [Tetra Tech Environmental Management Limited](/company/01756175) (01756175)
- [Tetra Tech Europe Executive Services Limited](/company/10705397) (10705397)
- [Tetra Tech Occupational Health Limited](/company/03829586) (03829586)
- [Tetra Tech Rps Energy Consultants Limited](/company/03287074) (03287074)
- [Tetra Tech Rps Energy Limited](/company/01465554) (01465554)