Tetra Tech Environmental Management Limited

Active01756175 Private limited company

What Tetra Tech Environmental Management say about themselves

“We are improving the quality of life for people around the world through science, technology, and innovation.”

— from tetratech.com
Incorporated
26 September 1983 (43 years)
Previously known as
RPS Environmental Management Limited (until 30 March 2026)
RPS Consultants (UK) Limited (until 9 August 2011)
RPS Water Services Limited (until 15 September 2010)
Earlier: Pan Projects Limited, Suntoll Limited
Industry
Other engineering activities (71129)
Accounts type
Full
Region
South East
Address
101 Park Drive
Milton Park
Abingdon
OX14 4RY

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
2
Outstanding
0
Part satisfied
0
Satisfied
2

Officers 5 active

Officer details are public data from the Companies House register.

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
Director · Appointed 29 July 2022
British
Born April 1975 (51)
Director · Appointed 7 August 2018
Scottish
Born October 1966 (60)
Officer history (22 former)
2 November 2024
Resigned Green, Christopher James as Director
17 November 2023
Appointed Hatch, David Craig as Director
2 November 2023
Resigned Gillespie, Andrew James as Director
2 November 2023
Appointed Lemmon, Richard Alan as Director
2 November 2023
Appointed Green, Christopher James as Director
2 November 2023
Resigned Brownlie, William as Director
6 October 2023
Appointed Murdoch, Andrew James as Secretary
6 October 2023
Resigned Hopson Iii, Preston as Secretary
28 February 2023
Appointed Gillespie, Andrew James as Director
28 February 2023
Appointed Hopson Iii, Preston as Secretary
28 February 2023
Appointed Brownlie, William as Director
28 February 2023
Resigned Atterbury, Karen Lorraine as Secretary
28 February 2023
Resigned Cottrell, Judith as Director
29 July 2022
Resigned Owen, Robert as Director
29 July 2022
Appointed Fraser, Gary William as Director
9 May 2022
Appointed Atterbury, Karen Lorraine as Secretary
4 February 2022
Resigned Gormley, David Joseph as Secretary
30 April 2020
Appointed Cottrell, Judith as Director
30 April 2020
Resigned Young, Gary Richard as Director
14 January 2019
Appointed Owen, Robert as Director
14 January 2019
Resigned Cottrell, Judith as Director
4 December 2018
Appointed Gormley, David Joseph as Secretary
4 December 2018
Resigned Rowe, Nicholas as Secretary
7 August 2018
Appointed Aitken, William Paul as Director
9 March 2018
Resigned Hoyle, Trevor Matthew as Director
31 August 2017
Resigned Hearne, Alan Stephen, Dr as Director
6 November 2015
Appointed Cottrell, Judith as Director
6 November 2015
Appointed Hoyle, Trevor Matthew as Director
25 September 2008
Resigned Rigby, April as Secretary
25 September 2008
Appointed Rowe, Nicholas as Secretary
31 March 2004
Resigned Keeler, Nicholas Leslie Ronald as Director
4 October 2001
Resigned Pook, Geoffrey Douglas Hall as Director
22 December 2000
Resigned Boyd, Martin Stephen as Director
1 November 2000
Resigned Rigby, April as Director
1 November 2000
Appointed Young, Gary Richard as Director
30 March 2000
Resigned Robertson, James as Director
15 February 2000
Resigned Trow, Stuart William as Director
27 July 1999
Appointed Keeler, Nicholas Leslie Ronald as Director
27 July 1999
Appointed Pook, Geoffrey Douglas Hall as Director
1 July 1999
Appointed Robertson, James as Director
1 July 1999
Appointed Boyd, Martin Stephen as Director
1 July 1999
Appointed Trow, Stuart William as Director
23 July 1993
Appointed Rigby, April as Director
23 July 1993
Appointed Rigby, April as Secretary
23 July 1993
Resigned Seccombe, Jonathan Lawrence as Secretary
23 July 1993
Resigned Seccombe, Jonathan Lawrence as Director

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
RPS Trustees Limited Status not confirmedOwns 75–100% of shares
Tetra Tech Consulting Limited Owns 75–100% of shares
RPS Consultants Limited Status not confirmedOwns 75–100% of shares
RPS Ireland Limited Owns 75–100% of shares
Tetra Tech Environmental Management Limited This company Owns 75–100% of shares
Tetra Tech RPS Energy Limited Owns 75–100% of shares
Nautilus Limited In liquidationOwns 75–100% of shares
Reservoir Imaging Limited Status not confirmedOwns 75–100% of shares
Tetra Tech Group Limited Owns 75–100% of shares
Tetra Tech Limited Owns 75–100% of shares
White Young Green International Limited Status not confirmedOwns 75–100% of shares
Wyg Consulting Limited Status not confirmedOwns 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

Filings

Recent filings only. See the full history on Companies House

DateDescriptionMade Up ToPagesPDF
27 April 2026Memorandum and Articles of Association
27 April 2026Resolutions
18 April 2026Full accounts28 September 2025
16 April 2026Change of details for a person with significant control
30 March 2026Certificate of change of name
Show all recent filings

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