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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers are those entities, including individual and legal persons, have significant controls over the company in focus. The offspring entities and appointments are those entities that the company in focus can influence on.

Clicking the links on parent entities or officers, and offspring entities or managed companies will put them in focus and show upstream or downstream connections. In general, ascendant entities can be found by moving toward upstream, and descendant entities are by toward downstream. In this way, progenitor entities such as grandparent companies (parents of parent), sibling companies (children of parent), partner companies (parents of child), and progeny entities such as grandchild companies (children of child) can be found easily.

Parent entities and officers 22
  • 1
    Stevenson, Karen Lynne Wallace, Dr
    Born in November 1958
    Individual (3 offsprings)
    Officer
    1999-09-01 ~ 2010-03-15
    OF - Director → CIF 0
    Whiteoak, Karen Lynne Wallace, Dr
    Individual (3 offsprings)
    Officer
    1999-08-23 ~ 2008-03-25
    OF - Secretary → CIF 0
  • 2
    Rowe, Nicholas
    Individual (127 offsprings)
    Officer
    2010-03-15 ~ 2018-12-04
    OF - Secretary → CIF 0
  • 3
    Lemmon, Richard Alan
    Born in August 1959
    Individual (60 offsprings)
    Officer
    2023-11-29 ~ now
    OF - Director → CIF 0
  • 4
    Brownlie, William
    Born in June 1953
    Individual (67 offsprings)
    Officer
    2023-02-28 ~ 2023-11-29
    OF - Director → CIF 0
  • 5
    Gidlow, David Arthur, Dr
    Born in February 1950
    Individual (2 offsprings)
    Officer
    1999-08-23 ~ 2010-03-15
    OF - Director → CIF 0
  • 6
    Green, Christopher James
    Born in August 1981
    Individual (14 offsprings)
    Officer
    2023-11-29 ~ 2024-10-30
    OF - Director → CIF 0
  • 7
    Ludzker, David Henry
    Born in November 1944
    Individual (7 offsprings)
    Officer
    1999-08-23 ~ 2001-09-28
    OF - Director → CIF 0
  • 8
    Peters, Clodagh Maire
    Individual (2 offsprings)
    Officer
    2008-03-25 ~ 2010-02-17
    OF - Secretary → CIF 0
  • 9
    Murdoch, Andrew James
    Individual (66 offsprings)
    Officer
    2023-11-29 ~ now
    OF - Secretary → CIF 0
  • 10
    Hoyle, Trevor Matthew
    Born in October 1965
    Individual (26 offsprings)
    Officer
    2015-11-06 ~ 2018-03-09
    OF - Director → CIF 0
  • 11
    Gormley, David Joseph
    Individual (218 offsprings)
    Officer
    2018-12-04 ~ 2022-02-04
    OF - Secretary → CIF 0
  • 12
    Gillespie, Andrew James
    Born in May 1969
    Individual (152 offsprings)
    Officer
    2023-02-28 ~ 2023-11-29
    OF - Director → CIF 0
  • 13
    Fraser, Gary William
    Born in April 1975
    Individual (5 offsprings)
    Officer
    2022-07-29 ~ now
    OF - Director → CIF 0
  • 14
    Hopson Iii, Preston
    Individual (77 offsprings)
    Officer
    2023-02-28 ~ 2023-11-29
    OF - Secretary → CIF 0
  • 15
    Aitken, William Paul
    Born in October 1966
    Individual (2 offsprings)
    Officer
    2018-08-07 ~ now
    OF - Director → CIF 0
  • 16
    Owen, Robert
    Born in May 1965
    Individual (2 offsprings)
    Officer
    2019-01-14 ~ 2022-07-29
    OF - Director → CIF 0
  • 17
    Cottrell, Judith
    Born in November 1971
    Individual (84 offsprings)
    Officer
    2015-11-06 ~ 2019-01-14
    OF - Director → CIF 0
    2020-04-30 ~ 2023-02-28
    OF - Director → CIF 0
  • 18
    Hearne, Alan Stephen, Dr
    Born in August 1952
    Individual (70 offsprings)
    Officer
    2010-03-15 ~ 2017-08-31
    OF - Director → CIF 0
  • 19
    Atterbury, Karen Lorraine
    Individual (504 offsprings)
    Officer
    2022-05-09 ~ 2023-02-28
    OF - Secretary → CIF 0
  • 20
    Young, Gary Richard
    Born in January 1960
    Individual (77 offsprings)
    Officer
    2010-03-15 ~ 2020-04-30
    OF - Director → CIF 0
  • 21
    SWIFT INCORPORATIONS LIMITED
    01945937
    26, Church Street, London
    Dissolved Corporate (13 parents, 118006 offsprings)
    Officer
    1999-08-23 ~ 1999-08-23
    OF - Nominee Secretary → CIF 0
  • 22
    TETRA TECH CONSULTING LIMITED
    - now 01470149
    RPS CONSULTING SERVICES LIMITED - 2025-09-02 01470149
    THE ENVIRONMENTAL CONSULTANCY LIMITED - 2016-08-23 01470149 02470604
    RPS CLOUSTON LIMITED - 1992-11-23
    BRIAN CLOUSTON AND PARTNERS LIMITED - 1990-03-20
    101, Park Drive, Milton Park, Abingdon, England
    Active Corporate (26 parents, 9 offsprings)
    Person with significant control
    2016-04-06 ~ now
    PE - Ownership of shares – 75% or moreCIF 0
parent relation
Company in focus

TETRA TECH OCCUPATIONAL HEALTH LIMITED

Period: 2026-03-30 ~ now
Company number: 03829586
Registered names
TETRA TECH OCCUPATIONAL HEALTH LIMITED - now
Standard Industrial Classification
86900 - Other Human Health Activities

  • TETRA TECH OCCUPATIONAL HEALTH LIMITED
    Info
    RPS OCCUPATIONAL HEALTH LIMITED - 2026-03-30
    RPS HEALTH IN BUSINESS LIMITED - 2026-03-30
    HEALTH IN BUSINESS LIMITED - 2026-03-30
    Registered number 03829586
    101 Park Drive, Milton Park, Abingdon, Oxfordshire OX14 4RY
    PRIVATE LIMITED COMPANY incorporated on 1999-08-23 (26 years 8 months). The status of the company number is Active.
    The last date of confirmation statement was made at 2025-08-22
    CIF 0
child relation
Offspring entities and appointments 0
  • Not found in our database.

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Contains public sector information retrieved at 22 April 2026 and licensed under the Open Government Licence v3.0.