Filing status
- Accounts due
- 30 June 2027
- Last accounts
- 28 September 2025
- Conf. stmt due
- 25 May 2027
- Last conf. stmt
- 11 May 2026
Tetra Tech UK Consulting Group Limited
- Incorporated
- 6 December 1984 (41 years)
- Previously known as
- Tetra Tech UK Group Consulting Limited (until 17 December 2020)Wyg Limited (until 16 December 2020)Wyg PLC (until 10 July 2019)Earlier: White Young Green PLC, Ernest Green and Partners Holdings PLC
- Industry
- Activities of head offices (70100) Management consultancy activities other than financial management (70229)Urban planning and landscape architectural activities (71112)Other engineering activities (71129)
- Owned by
- Accounts type
- Full
- Region
- Yorkshire
- Address
- 3 Sovereign SquareSovereign StreetLeedsLS1 4ER
Charges
- Total
- 11
- Outstanding
- 0
- Part satisfied
- 0
- Satisfied
- 11
Officers 4 active
Officer details are public data from the Companies House register.
Director · Appointed 22 April 2025
British
Born November 1964
Murdoch, Andrew
Secretary · Appointed 11 October 2023
Director · Appointed 16 January 2020
British
Born May 1969 (57)
Director · Appointed 9 July 2019
American
Born August 1959 (67)
Officer history (40 former)
22 April 2025
22 April 2025
11 October 2023
Appointed Murdoch, Andrew as Secretary
11 October 2023
Resigned Hopson, Preston as Secretary
12 May 2023
Resigned Amidon, Derek Gordon as Director
16 January 2020
16 January 2020
16 January 2020
7 January 2020
Appointed Hopson, Preston as Secretary
31 October 2019
Resigned Whitworth, Benjamin Warwick as Secretary
9 July 2019
Appointed Amidon, Derek Gordon as Director
9 July 2019
9 July 2019
9 July 2019
9 July 2019
25 February 2019
25 September 2018
Resigned Jeffcoat, David John as Director
1 January 2018
21 September 2017
Resigned Mctighe, Robert Michael as Director
12 June 2017
9 June 2017
7 June 2016
7 June 2016
1 October 2015
1 October 2015
24 September 2015
31 August 2015
2 December 2011
2 December 2011
3 May 2011
Appointed Whitworth, Benjamin Warwick as Secretary
3 May 2011
31 January 2010
Resigned Richardson, John Desmond as Director
16 December 2009
Appointed Jeffcoat, David John as Director
3 August 2009
Appointed Mctighe, Robert Michael as Director
3 August 2009
3 August 2009
3 August 2009
3 August 2009
14 April 2009
14 April 2009
14 April 2009
31 March 2009
10 February 2009
5 January 2009
5 November 2008
5 November 2008
5 November 2008
1 July 2008
24 January 2008
17 September 2007
18 June 2007
1 January 2007
1 July 2006
1 July 2006
1 July 2005
1 April 2005
10 October 2004
1 March 2004
17 December 2003
3 November 2003
4 May 1999
4 May 1999
4 May 1999
1 February 1999
30 September 1998
21 July 1997
Resigned Douglas, Ian Ronald as Director
21 July 1997
21 July 1997
Appointed Richardson, John Desmond as Director
21 July 1997
21 July 1997
1 April 1997
31 August 1995
Resigned Rider, Brian Leonard as Director
30 June 1994
1 October 1993
30 April 1992
Resigned Simmons, Peter Francis as Director
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 9 July 2019
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Private 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 This company 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 | |
|---|---|---|---|---|
| 5 July 2026 | Full accounts | 28 September 2025 | 22 | |
| 13 May 2026 | Confirmation statement with no updates | 11 May 2026 | 3 | |
| 19 March 2026 | Satisfaction of a charge in full | 1 | ||
| 30 June 2025 | Accounts for a small company | 29 September 2024 | 19 | |
| 27 May 2025 | Confirmation statement with no updates | 11 May 2025 | 3 |
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