Filing status
- Accounts due
- 30 June 2027
- Last accounts
- 28 September 2025
- Conf. stmt due
- 16 October 2027
- Last conf. stmt
- 2 October 2026
Tetra Tech UK Limited
- Incorporated
- 3 October 2019 (7 years)
- Industry
- Activities of head offices (70100)
- Owned by
- Accounts type
- Full
- Region
- South East
- Address
- 101 Park DriveMilton ParkAbingdonOX14 4RY
Officers 3 active
Officer details are public data from the Companies House register.
Director · Appointed 16 December 2024
British
Born August 1981 (45)
Murdoch, Andrew James
Secretary · Appointed 5 October 2023
Director · Appointed 3 October 2019
American
Born August 1959 (67)
Officer history (5 former)
30 June 2025
16 December 2024
16 December 2024
22 March 2024
5 October 2023
Resigned Hopson, Preston as Secretary
5 October 2023
Appointed Murdoch, Andrew James as Secretary
25 August 2022
16 March 2022
3 October 2019
Appointed Hopson, Preston as Secretary
3 October 2019
3 October 2019
3 October 2019
3 October 2019
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Limited Company
Reg. no. 05909611
Group structure 31 shown
Ownership group derived from the Companies House PSC register
R P S Group Limited Owns 75–100% of shares
Ecl Group Limited Owns 75–100% of shares
Exploration Consultants Limited Owns 75–100% of shares
Tetra Tech Consulting Limited Owns 75–100% of shares
RPS Ireland Limited Owns 75–100% of shares
Tetra Tech Occupational Health Limited Owns 75–100% of shares
Tetra Tech Environmental Management Limited Owns 75–100% of shares
Tetra Tech RPS Energy Consultants Limited Owns 75–100% of shares
Tetra Tech RPS Energy Limited Owns 75–100% of shares
Tetra Tech Europe Executive Services Limited Owns 75–100% of shares
Tetra Tech UK Consulting Group Limited Owns 75–100% of shares
Tetra Tech Group Limited Owns 75–100% of shares
Tetra Tech Environment Planning Transport Limited Owns 75–100% of shares
Tetra Tech Limited Owns 75–100% of shares
Tetra Tech Management Services Limited Owns 75–100% of shares
Tetra Tech UK Limited This company Owns 75–100% of shares
Coffey Geotechnics Limited Owns 75–100% of shares
Hoare Lea LLP Holds 75–100% of voting rights
Hoare Lea Holdings Limited Owns 75–100% of shares
Ndy Consulting Limited Owns 75–100% of shares
Piteau Associates UK Limited Owns 75–100% of shares
Tetra Tech International Development Europe Limited Owns 75–100% of shares
Tetra Tech International Development Limited Owns 75–100% of shares
Tetra Tech International Development Projects Limited Owns 75–100% of shares
Financials
Balance sheet as at 28 September 2025 · full accounts
- Net Assets
- £39,416,000
- Cash
- £16,438,000
- Profit Before Tax
- £17,381,000
- Employees
- 4
- Debt Ratio
- 59%
- Current Ratio
- 1.5x
- Return on Equity
- 35%
Trend
Net Assets
Balance sheet detail
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|
| Fixed Assets | £11,973,000 | £11,973,000 | £11,973,000 | £8,326,000 | £7,009,000 | £2,483,000 |
| Current Assets | £84,295,000 | £29,280,000 | £14,172,000 | £6,965,000 | £293,000 | £445,000 |
| Cash | £16,438,000 | £3,998,000 | £6,873,000 | £6,965,000 | £293,000 | £445,000 |
| Creditors (< 1 year) | £56,852,000 | £15,437,000 | £14,070,000 | £13,992,000 | £7,310,000 | £2,928,000 |
| Net Current Assets | £27,443,000 | £13,843,000 | £102,000 | (£7,027,000) | (£7,017,000) | (£2,483,000) |
| Net Assets | £39,416,000 | £25,816,000 | £12,075,000 | £1,299,000 | (£8,000) | £0 |
| Shareholder Funds | £39,416,000 | £25,816,000 | £12,075,000 | £1,299,000 | (£8,000) | £0 |
| Turnover | £500,000 | |||||
| Gross Profit | £500,000 | |||||
| Admin Expenses | £213,000 | £82,000 | £13,000 | £14,000 | £9,000 | |
| Operating Profit | £754,000 | £370,000 | £431,000 | (£10,000) | (£8,000) | |
| Profit Before Tax | £17,381,000 | £9,125,000 | ||||
| Tax | £4,025,000 | £3,955,000 | £1,995,000 | |||
| Profit for Period | £13,600,000 | £13,741,000 | £7,130,000 | (£10,000) | (£8,000) | |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 7 April 2026 | Full accounts | 28 September 2025 | ||
| 9 January 2026 | Registered office address changed | |||
| 2 October 2025 | Confirmation statement with no updates | 2 October 2025 | ||
| 30 June 2025 | Termination of appointment of a director | |||
| 7 May 2025 | Full accounts | 30 September 2024 |
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