Tetra Tech UK Holdings Limited

Active05909611 Private limited company
Incorporated
17 August 2006 (20 years)
Previously known as
Coffey UK Limited (until 8 May 2019)
Industry
Activities of head offices (70100)
Owned by
Tetra Tech, Inc.
Accounts type
Full
Region
South East
Address
101 Park Drive
Milton Park
Abingdon
OX14 4RY

Website & contact details

Group website
The site of this company’s group or brand.

Filing status

Accounts due
30 June 2027
Last accounts
28 September 2025
Conf. stmt due
31 August 2027
Last conf. stmt
17 August 2026

Charges

Total
3
Outstanding
2
Part satisfied
0
Satisfied
1

Officers 4 active

Officer details are public data from the Companies House register.

Director · Appointed 11 December 2024
British
Born August 1981 (45)
Murdoch, Andrew James
Secretary · Appointed 5 October 2023
Hopson, Preston
Secretary · Appointed 1 April 2019
Director · Appointed 20 March 2017
American
Born August 1959 (67)
Officer history (21 former)
11 December 2024
Appointed Green, Christopher James as Director
11 December 2024
Resigned Lovell, James David as Director
22 March 2024
Resigned Ward, Benjamin James as Director
5 October 2023
Appointed Murdoch, Andrew James as Secretary
23 August 2022
Appointed Lovell, James David as Director
9 March 2022
Resigned Onslow, Keith Martin as Director
27 September 2019
Resigned Batrack, Danny Lee as Director
27 September 2019
Resigned Burdick, Steven Michael as Director
15 May 2019
Appointed Batrack, Danny Lee as Director
15 May 2019
Appointed Burdick, Steven Michael as Director
1 April 2019
Appointed Hopson, Preston as Secretary
31 March 2019
Resigned Lemmon, Richard Alan as Secretary
20 March 2017
Appointed Onslow, Keith Martin as Director
20 March 2017
Appointed Lemmon, Richard Alan as Director
20 March 2017
Appointed Ward, Benjamin James as Director
20 March 2017
Appointed Lemmon, Richard Alan as Secretary
20 March 2017
Resigned Meyerhans, Urs Beat as Director
20 March 2017
Resigned Chu, Ronald Jeffry as Secretary
20 March 2017
Resigned Chu, Ronald Jeffry as Director
20 March 2017
Resigned Batrack, Danny Lee as Director
25 March 2016
Appointed Chu, Ronald Jeffry as Director
25 March 2016
Appointed Batrack, Danny Lee as Director
25 March 2016
Appointed Chu, Ronald Jeffry as Secretary
26 February 2016
Resigned Rajagopal, Ranjan as Secretary
18 January 2016
Resigned Douglas, John Matheson as Director
18 January 2016
Resigned Waldegrave, Jennifer Ann as Secretary
27 April 2015
Appointed Rajagopal, Ranjan as Secretary
10 September 2014
Resigned Simpson, Robert Paul as Director
1 March 2012
Resigned Lee, Julie Anne as Secretary
15 February 2012
Appointed Lee, Julie Anne as Secretary
15 February 2012
Appointed Douglas, John Matheson as Director
23 February 2011
Resigned Olds, Roger John as Director
28 January 2011
Resigned Pudney, Jeffrey John as Secretary
28 January 2011
Appointed Waldegrave, Jennifer Ann as Secretary
22 December 2010
Resigned Williams, Stephen Ray as Director
22 December 2010
Appointed Meyerhans, Urs Beat as Director
25 September 2007
Appointed Olds, Roger John as Director
25 September 2007
Appointed Williams, Stephen Ray as Director
17 September 2007
Resigned Hanover Secretaries Limited as Corporate Secretary
17 September 2007
Appointed Pudney, Jeffrey John as Secretary
17 August 2006
Appointed Sdg Secretaries Limited as Corporate Nominee Secretary
17 August 2006
Resigned Sdg Registrars Limited as Corporate Nominee Director
17 August 2006
Appointed Hanover Secretaries Limited as Corporate Secretary
17 August 2006
Appointed Sdg Registrars Limited as Corporate Nominee Director
17 August 2006
Appointed Simpson, Robert Paul as Director
17 August 2006
Resigned Sdg Secretaries Limited as Corporate Nominee Secretary

Ownership 1 active

People and entities with significant control, from the Companies House PSC register

Tetra Tech, Inc.
Corporate entity · Notified 6 April 2017
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Corporation
Reg. no. 2151089

Group structure 31 shown

Ownership group derived from the Companies House PSC register

Tetra Tech UK Holdings Limited This company
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 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

Financials

Balance sheet as at 28 September 2025 · full accounts

Net Assets
£573,479,000
Cash
£8,526,000
Profit Before Tax
£505,000
Debt Ratio
9%
Current Ratio
0.3x
Return on Equity
-0%

Trend

Net Assets
£0 £500.0M £1000.0M 2019 2020 2021 2022 2023 2024 2025 £58,398,000 £58,830,000 £127,663,000 £141,946,000 £839,470,000 £816,453,000 £573,479,000
Balance sheet detail
2025202420232022202120202019
Fixed Assets£613,593,000£786,325,000£786,733,000£218,935,000£213,198,000£51,640,000£54,123,000
Current Assets£16,017,000£58,047,000£104,525,000£36,696,000£38,061,000£30,099,000£27,668,000
Cash£8,526,000£8,637,000£13,741,000£3,230,000£9,000£157,000£962,000
Creditors (< 1 year)£52,920,000£27,919,000£51,788,000£97,315,000£98,359,000£1,909,000£2,393,000
Creditors (> 1 year)£3,211,000£0£10,412,000£19,279,000£21,000,000£21,000,000
Net Current Assets(£36,903,000)£30,128,000£52,737,000(£60,619,000)(£60,298,000)£28,190,000£25,275,000
Net Assets£573,479,000£816,453,000£839,470,000£141,946,000£127,663,000£58,830,000£58,398,000
Shareholder Funds£573,479,000£816,453,000£839,470,000£141,946,000£127,663,000£58,830,000£58,398,000

Filings 146

DateDescriptionMade Up ToPagesPDF
17 August 2026Confirmation statement with no updates17 August 2026
4 March 2026Full accounts28 September 2025
9 January 2026Registered office address changed
19 November 2025Director's details changed
18 August 2025Confirmation statement with no updates17 August 2025
Show all 146 filings

Some other companies at this address

Other companies in this industry

Need accounts figures, ownership or websites for thousands of companies? Bulk data & API →

← Back to companies Official record on Companies House ↗

Already have an account?

Create your account

Save searches and get the weekly email of new matches.

First name is required.
Last name is required.
Enter an email address like name@example.com.
Must be at least 8 characters. Password must be at least 8 characters.

Already have an account?