What Tetra Tech Consulting say about themselves
“We are improving the quality of life for people around the world through science, technology, and innovation.”
Tetra Tech Consulting Limited
- Incorporated
- 31 December 1979 (46 years)
- Previously known as
- RPS Consulting Services Limited (until 2 September 2025)The Environmental Consultancy Limited (until 23 August 2016)RPS Clouston Limited (until 23 November 1992)Earlier: Brian Clouston and Partners Limited
- Industry
- Other engineering activities (71129)
- Owned by
- Accounts type
- Full
- Region
- South East
- Address
- 101 Park DriveMilton ParkAbingdonOX14 4RY
Website & contact details
- Website
Filing status
- Accounts due
- 30 June 2027
- Last accounts
- 28 September 2025
- Conf. stmt due
- 14 January 2027
- Last conf. stmt
- 31 December 2025
Charges
- Total
- 4
- Outstanding
- 0
- Part satisfied
- 0
- Satisfied
- 4
Officers 5 active
Officer details are public data from the Companies House register.
British
Born July 1958 (68)
Director · Appointed 17 November 2023
British
Born November 1964
Director · Appointed 2 November 2023
American
Born August 1959 (67)
Murdoch, Andrew James
Secretary · Appointed 6 October 2023
British
Born October 1974 (52)
Officer history (23 former)
9 January 2025
31 December 2024
2 November 2024
17 November 2023
2 November 2023
2 November 2023
2 November 2023
2 November 2023
26 October 2023
6 October 2023
Resigned Hopson Iii, Preston as Secretary
6 October 2023
Appointed Murdoch, Andrew James as Secretary
25 September 2023
28 February 2023
Resigned Atterbury, Karen Lorraine as Secretary
28 February 2023
28 February 2023
Appointed Hopson Iii, Preston as Secretary
28 February 2023
28 February 2023
29 July 2022
26 July 2022
5 July 2022
4 July 2022
9 May 2022
Appointed Atterbury, Karen Lorraine as Secretary
4 February 2022
Resigned Gormley, David Joseph as Secretary
30 April 2020
30 April 2020
17 January 2019
17 January 2019
4 December 2018
Appointed Gormley, David Joseph as Secretary
4 December 2018
13 November 2018
9 March 2018
31 August 2017
6 November 2015
6 November 2015
30 September 2011
5 November 2009
25 September 2008
25 September 2008
25 February 2002
1 November 2000
1 November 2000
23 July 1993
23 July 1993
23 July 1993
23 July 1993
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 6 April 2016
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
100% Shareholder
Reg. no. 2087786
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 This company 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 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
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 18 April 2026 | Full accounts | 28 September 2025 | ||
| 5 March 2026 | Insolvency filing | |||
| 5 March 2026 | Share capital filing | |||
| 5 March 2026 | Statement of capital | |||
| 5 March 2026 | Resolutions |
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