Tetra Tech Occupational Health Limited

Active03829586 Private limited company
Incorporated
23 August 1999 (27 years)
Previously known as
RPS Occupational Health Limited (until 30 March 2026)
RPS Health in Business Limited (until 16 October 2017)
Health in Business Limited (until 23 March 2010)
Industry
Other human health activities (86900)
Directors
Owned by
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
4 September 2027
Last conf. stmt
21 August 2026

Charges

Total
4
Outstanding
0
Part satisfied
0
Satisfied
4

Officers 4 active

Officer details are public data from the Companies House register.

Director · Appointed 29 November 2023
Also at RPS Ireland Limited, Tetra Tech Europe Executive Services Limited, Tetra Tech RPS Energy Consultants Limited · more companies
American
Born August 1959 (67)
Murdoch, Andrew James
Secretary · Appointed 29 November 2023
Director · Appointed 29 July 2022
Also at Tetra Tech Environmental Management Limited
British
Born April 1975 (51)
Director · Appointed 7 August 2018
Also at Tetra Tech Environmental Management Limited
Scottish
Born October 1966 (60)
Officer history (19 former)
30 October 2024
Resigned Green, Christopher James as Director
29 November 2023
Resigned Brownlie, William as Director
29 November 2023
Appointed Lemmon, Richard Alan as Director
29 November 2023
Appointed Green, Christopher James as Director
29 November 2023
Appointed Murdoch, Andrew James as Secretary
29 November 2023
Resigned Hopson Iii, Preston as Secretary
29 November 2023
Resigned 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 Cottrell, Judith as Director
28 February 2023
Appointed Gillespie, Andrew James as Director
28 February 2023
Resigned Atterbury, Karen Lorraine as Secretary
29 July 2022
Appointed Fraser, Gary William as Director
29 July 2022
Resigned Owen, Robert 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 Hoyle, Trevor Matthew as Director
6 November 2015
Appointed Cottrell, Judith as Director
15 March 2010
Appointed Hearne, Alan Stephen, Dr as Director
15 March 2010
Appointed Young, Gary Richard as Director
15 March 2010
15 March 2010
Appointed Rowe, Nicholas as Secretary
15 March 2010
Resigned Gidlow, David Arthur, Dr as Director
17 February 2010
Resigned Peters, Clodagh Maire as Secretary
25 March 2008
Appointed Peters, Clodagh Maire as Secretary
25 March 2008
Resigned Whiteoak, Karen Lynne Wallace, Dr as Secretary
28 September 2001
Resigned Ludzker, David Henry as Director
1 September 1999
23 August 1999
Appointed Swift Incorporations Limited as Corporate Nominee Secretary
23 August 1999
Appointed Whiteoak, Karen Lynne Wallace, Dr as Secretary
23 August 1999
Appointed Ludzker, David Henry as Director
23 August 1999
Appointed Gidlow, David Arthur, Dr as Director
23 August 1999
Resigned Swift Incorporations Limited as Corporate Nominee Secretary

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
100% Shareholder
Reg. no. 1470149

Group structure 31 shown

Ownership group derived from the Companies House PSC register

Tetra Tech UK Holdings Limited
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 Occupational Health Limited This company 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
Nautilus Limited In liquidationOwns 75–100% of shares
Reservoir Imaging Limited Status not confirmedOwns 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
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
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 130

DateDescriptionMade Up ToPagesPDF
21 August 2026Confirmation statement with updates21 August 2026
28 April 2026Memorandum and Articles of Association
28 April 2026Resolutions
18 April 2026Full accounts28 September 2025
30 March 2026Certificate of change of name
Show all 130 filings

Some other companies at this address

Aquaterra International Limited
Ecl Group Limited
Exploration Consultants Limited
R P S Group Limited
Tetra Tech Consulting Limited
Tetra Tech Environmental Management Limited

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