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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.

Jump to: Company in focus, Offsprings
Parent entities and officers 23
  • 1
    Hopson, Preston
    Individual (77 offsprings)
    Officer
    2019-04-01 ~ now
    OF - Secretary → CIF 0
  • 2
    Simpson, Robert Paul
    Engineer born in December 1955
    Individual (12 offsprings)
    Officer
    2006-08-17 ~ 2014-09-10
    OF - Director → CIF 0
  • 3
    Douglas, John Matheson
    Manager/Engineer born in January 1962
    Individual (13 offsprings)
    Officer
    2012-02-15 ~ 2016-01-18
    OF - Director → CIF 0
  • 4
    Ward, Benjamin James
    Managing Director born in January 1976
    Individual (7 offsprings)
    Officer
    2017-03-20 ~ 2024-03-22
    OF - Director → CIF 0
  • 5
    Burdick, Steven Michael
    Vice President And Treasurer born in February 1964
    Individual (9 offsprings)
    Officer
    2019-05-15 ~ 2019-09-27
    OF - Director → CIF 0
  • 6
    Rajagopal, Ranjan
    Individual (12 offsprings)
    Officer
    2015-04-27 ~ 2016-02-26
    OF - Secretary → CIF 0
  • 7
    Chu, Ronald Jeffry
    Chief Executive Officer born in February 1957
    Individual (4 offsprings)
    Officer
    2016-03-25 ~ 2017-03-20
    OF - Director → CIF 0
    Chu, Ronald Jeffry
    Individual (4 offsprings)
    Officer
    2016-03-25 ~ 2017-03-20
    OF - Secretary → CIF 0
  • 8
    Lemmon, Richard Alan
    Born in August 1959
    Individual (60 offsprings)
    Officer
    2017-03-20 ~ now
    OF - Director → CIF 0
    Lemmon, Richard Alan
    Individual (60 offsprings)
    Officer
    2017-03-20 ~ 2019-03-31
    OF - Secretary → CIF 0
  • 9
    Pudney, Jeffrey John
    Chief Finance Officer
    Individual (16 offsprings)
    Officer
    2007-09-17 ~ 2011-01-28
    OF - Secretary → CIF 0
  • 10
    Olds, Roger John
    Managing Director born in June 1956
    Individual (11 offsprings)
    Officer
    2007-09-25 ~ 2011-02-23
    OF - Director → CIF 0
  • 11
    Williams, Stephen Ray
    Lawyer born in August 1953
    Individual (7 offsprings)
    Officer
    2007-09-25 ~ 2010-12-22
    OF - Director → CIF 0
  • 12
    Green, Christopher James
    Born in August 1981
    Individual (14 offsprings)
    Officer
    2024-12-11 ~ now
    OF - Director → CIF 0
  • 13
    Meyerhans, Urs Beat
    Director born in July 1960
    Individual (15 offsprings)
    Officer
    2010-12-22 ~ 2017-03-20
    OF - Director → CIF 0
  • 14
    Onslow, Keith Martin
    Accountant born in August 1964
    Individual (15 offsprings)
    Officer
    2017-03-20 ~ 2022-03-09
    OF - Director → CIF 0
  • 15
    Waldegrave, Jennifer Ann
    Individual (12 offsprings)
    Officer
    2011-01-28 ~ 2016-01-18
    OF - Secretary → CIF 0
  • 16
    Lovell, James David
    Finance Director born in February 1974
    Individual (36 offsprings)
    Officer
    2022-08-23 ~ 2024-12-11
    OF - Director → CIF 0
  • 17
    Murdoch, Andrew James
    Individual (64 offsprings)
    Officer
    2023-10-05 ~ now
    OF - Secretary → CIF 0
  • 18
    Batrack, Danny Lee
    Chairman born in June 1958
    Individual (6 offsprings)
    Officer
    2016-03-25 ~ 2017-03-20
    OF - Director → CIF 0
    2019-05-15 ~ 2019-09-27
    OF - Director → CIF 0
  • 19
    Lee, Julie Anne
    Individual (11 offsprings)
    Officer
    2012-02-15 ~ 2012-03-01
    OF - Secretary → CIF 0
  • 20
    HANOVER SECRETARIES LIMITED
    - now 02179479
    JGR NOMINEES LIMITED - 1992-07-31
    DUTYGLEN LIMITED - 1987-11-24
    Apollo House, 56 New Bond Street, London
    Dissolved Corporate (9 parents, 354 offsprings)
    Officer
    2006-08-17 ~ 2007-09-17
    OF - Secretary → CIF 0
  • 21
    SDG SECRETARIES LIMITED
    04267467
    41 Chalton Street, London
    Dissolved Corporate (8 parents, 8078 offsprings)
    Officer
    2006-08-17 ~ 2006-08-17
    OF - Nominee Secretary → CIF 0
  • 22
    3475, East Foothill Boulevard, Pasadena, California, United States
    Corporate (3 offsprings)
    Person with significant control
    2017-04-06 ~ now
    PE - Ownership of shares – 75% or more → CIF 0
    PE - Right to appoint or remove directors → CIF 0
    PE - Ownership of voting rights - 75% or more → CIF 0
  • 23
    SDG REGISTRARS LIMITED
    04267462
    41 Chalton Street, London
    Dissolved Corporate (8 parents, 7953 offsprings)
    Officer
    2006-08-17 ~ 2006-08-17
    OF - Nominee Director → CIF 0
parent relation
Company in focus

TETRA TECH UK HOLDINGS LIMITED

Period: 2019-05-08 ~ now
Company number: 05909611
Registered names
TETRA TECH UK HOLDINGS LIMITED - now
COFFEY UK LIMITED - 2019-05-08
Standard Industrial Classification
70100 - Activities Of Head Offices
Brief company account
Average Number of Employees
02024-09-29 ~ 2025-09-28
02023-10-01 ~ 2024-09-30
Administrative Expenses
0 GBP2024-09-29 ~ 2025-09-28
-0 GBP2023-10-01 ~ 2024-09-30
Operating Profit/Loss
0 GBP2024-09-29 ~ 2025-09-28
0 GBP2023-10-01 ~ 2024-09-30
Other Interest Receivable/Similar Income (Finance Income)
2,000 GBP2024-09-29 ~ 2025-09-28
5,000 GBP2023-10-01 ~ 2024-09-30
Interest Payable/Similar Charges (Finance Costs)
-0 GBP2023-10-01 ~ 2024-09-30
Profit/Loss on Ordinary Activities Before Tax
1,000 GBP2024-09-29 ~ 2025-09-28
82,000 GBP2023-10-01 ~ 2024-09-30
Profit/Loss
-0 GBP2024-09-29 ~ 2025-09-28
81,000 GBP2023-10-01 ~ 2024-09-30
Fixed Assets - Investments
614,000 GBP2025-09-28
786,000 GBP2024-09-30
Fixed Assets
614,000 GBP2025-09-28
786,000 GBP2024-09-30
Debtors
Current
7,000 GBP2025-09-28
49,000 GBP2024-09-30
Cash at bank and in hand
9,000 GBP2025-09-28
9,000 GBP2024-09-30
Current Assets
16,000 GBP2025-09-28
58,000 GBP2024-09-30
Creditors
Current, Amounts falling due within one year
-53,000 GBP2025-09-28
-28,000 GBP2024-09-30
Net Current Assets/Liabilities
-37,000 GBP2025-09-28
30,000 GBP2024-09-30
Total Assets Less Current Liabilities
577,000 GBP2025-09-28
816,000 GBP2024-09-30
Creditors
Non-current, Amounts falling due after one year
-3,000 GBP2025-09-28
Net Assets/Liabilities
573,000 GBP2025-09-28
816,000 GBP2024-09-30
Equity
Called up share capital
21,000 GBP2025-09-28
21,000 GBP2024-09-30
21,000 GBP2023-10-01
Share premium
242,000 GBP2025-09-28
242,000 GBP2024-09-30
242,000 GBP2023-10-01
Retained earnings (accumulated losses)
310,000 GBP2025-09-28
553,000 GBP2024-09-30
576,000 GBP2023-10-01
Equity
573,000 GBP2025-09-28
816,000 GBP2024-09-30
839,000 GBP2023-10-01
Profit/Loss
Retained earnings (accumulated losses)
-0 GBP2024-09-29 ~ 2025-09-28
81,000 GBP2023-10-01 ~ 2024-09-30
Dividends Paid
Retained earnings (accumulated losses)
-243,000 GBP2024-09-29 ~ 2025-09-28
-104,000 GBP2023-10-01 ~ 2024-09-30
Dividends Paid
-243,000 GBP2024-09-29 ~ 2025-09-28
-104,000 GBP2023-10-01 ~ 2024-09-30
Audit Fees/Expenses
0 GBP2024-09-29 ~ 2025-09-28
0 GBP2023-10-01 ~ 2024-09-30
Tax Expense/Credit at Applicable Tax Rate
0 GBP2024-09-29 ~ 2025-09-28
21,000 GBP2023-10-01 ~ 2024-09-30
Investments in Subsidiaries
614,000 GBP2025-09-28
786,000 GBP2024-09-30
Amounts Owed by Group Undertakings
Current
7,000 GBP2025-09-28
46,000 GBP2024-09-30
Amount of corporation tax that is recoverable
Current
0 GBP2025-09-28
3,000 GBP2024-09-30
Amounts owed to group undertakings
Current
51,000 GBP2025-09-28
28,000 GBP2024-09-30
Other Creditors
Current
2,000 GBP2025-09-28
Accrued Liabilities/Deferred Income
Current
0 GBP2025-09-28
Creditors
Current
53,000 GBP2025-09-28
28,000 GBP2024-09-30
Other Creditors
Non-current
3,000 GBP2025-09-28
Number of Shares Issued (Fully Paid)
Class 1 ordinary share
2,127,068,000 shares2025-09-28
2,127,068,000 shares2024-09-30
Par Value of Share
Class 1 ordinary share
02024-09-29 ~ 2025-09-28
Related profiles found in government register
  • TETRA TECH UK HOLDINGS LIMITED
    Info
    COFFEY UK LIMITED - 2019-05-08
    Registered number 05909611
    101 Park Drive, Milton Park, Abingdon, Oxfordshire OX14 4RY
    PRIVATE LIMITED COMPANY incorporated on 2006-08-17 (19 years 8 months). The status of the company number is Active.
    The last date of confirmation statement was made at 2025-08-17
    CIF 0
  • TETRA TECH UK HOLDINGS LIMITED
    S
    Registered number 05909611
    101 Park Drive, Milton Park, Abingdon, Oxfordshire, England, OX14 4RY
    CIF 1
  • TETRA TECH UK HOLDINGS LIMITED
    S
    Registered number 05909611
    1, Northfield Road, Reading, Berkshire, England, RG1 8AH
    Limited Company in Companies House, England
    CIF 2
    Limited Company in Companies House, United Kingdom
    CIF 3
(more)
child relation
Offspring entities and appointments 10
  • 1
    COFFEY GEOTECHNICS LIMITED
    - now 06328315
    MC413 LIMITED - 2007-11-02
    1 Northfield Road, Reading
    Active Corporate (28 parents)
    Person with significant control
    2016-04-06 ~ 2021-03-23
    CIF 10 - Right to appoint or remove directors → OE
    CIF 10 - Ownership of shares – 75% or more → OE
    CIF 10 - Ownership of voting rights - 75% or more → OE
  • 2
    HOARE LEA LLP
    OC407254 07088478
    155 Aztec West, Almondsbury, Bristol, England
    Active Corporate (71 parents, 1 offspring)
    Person with significant control
    2021-07-26 ~ 2023-02-02
    CIF 4 - Ownership of voting rights - 75% or more → OE
    Officer
    2021-07-26 ~ now
    CIF 1 - LLP Designated Member → ME
  • 3
    NDY CONSULTING LIMITED
    03890617
    1 Angel Court, London, England
    Active Corporate (27 parents)
    Person with significant control
    2018-08-24 ~ 2023-03-28
    CIF 11 - Ownership of voting rights - 75% or more → OE
    CIF 11 - Right to appoint or remove directors → OE
    CIF 11 - Ownership of shares – 75% or more → OE
  • 4
    PITEAU ASSOCIATES UK LIMITED
    10436917
    Canon Court West, Abbey Lawn, Shrewsbury, England
    Active Corporate (13 parents)
    Person with significant control
    2022-07-27 ~ 2022-09-06
    CIF 8 - Right to appoint or remove directors → OE
    CIF 8 - Ownership of voting rights - 75% or more → OE
    CIF 8 - Ownership of shares – 75% or more → OE
  • 5
    R P S GROUP LIMITED
    - now 02087786
    R P S GROUP PLC
    - 2023-02-17 02087786
    RURAL PLANNING SERVICES PUBLIC LIMITED COMPANY - 1989-04-17
    JORRABAN (NO.13) PUBLIC LIMITED COMPANY - 1987-06-22
    101 Park Drive, Milton Park, Abingdon, Oxfordshire, United Kingdom
    Active Corporate (39 parents, 29 offsprings)
    Person with significant control
    2023-01-23 ~ now
    CIF 5 - Ownership of shares – 75% or more → OE
    CIF 5 - Ownership of voting rights - 75% or more → OE
  • 6
    TETRA TECH CONSULTING (NI) LIMITED
    - now NI667243
    TETRA TECH PROJECTS NORTHERN IRELAND LIMITED
    - 2020-03-18 NI667243
    1 Locksley Business Park, Montgomery Road, Belfast, Northern Ireland
    Active Corporate (10 parents, 1 offspring)
    Person with significant control
    2020-01-24 ~ 2021-02-23
    CIF 9 - Ownership of shares – 75% or more → OE
  • 7
    TETRA TECH EUROPE EXECUTIVE SERVICES LIMITED
    - now 10705397
    WYG ADVISORY LIMITED
    - 2025-07-07 10705397
    101 Park Drive, Milton Park, Abingdon, Oxfordshire, England
    Active Corporate (7 parents)
    Person with significant control
    2025-07-03 ~ now
    CIF 2 - Ownership of shares – 75% or more → OE
  • 8
    TETRA TECH INTERNATIONAL DEVELOPMENT EUROPE LIMITED
    - now 04120956 FC034786... (more)
    COFFEY INTERNATIONAL DEVELOPMENT HOLDINGS LIMITED
    - 2020-03-04 04120956 03799145
    COFFEY INTERNATIONAL DEVELOPMENT LIMITED - 2007-06-29
    FORUM 226 LIMITED - 2006-08-08
    1 Northfield Road, Reading, Berkshire
    Active Corporate (27 parents, 1 offspring)
    Person with significant control
    2016-04-06 ~ 2020-09-16
    CIF 7 - Ownership of shares – 75% or more → OE
    CIF 7 - Ownership of voting rights - 75% or more → OE
    CIF 7 - Right to appoint or remove directors → OE
  • 9
    TETRA TECH UK CONSULTING GROUP LIMITED
    - now 01869543
    TETRA TECH UK GROUP CONSULTING LIMITED
    - 2020-12-17 01869543
    WYG LIMITED
    - 2020-12-16 01869543 05111508... (more)
    WYG PLC
    - 2019-07-10 01869543 05111508... (more)
    WHITE YOUNG GREEN PLC - 2009-12-18
    ERNEST GREEN AND PARTNERS HOLDINGS PLC - 1997-07-21
    3 Sovereign Square, Sovereign Street, Leeds, England
    Active Corporate (40 parents, 7 offsprings)
    Person with significant control
    2019-07-09 ~ now
    CIF 6 - Ownership of voting rights - 75% or more → OE
    CIF 6 - Ownership of shares – 75% or more → OE
    CIF 6 - Right to appoint or remove directors → OE
  • 10
    TETRA TECH UK LIMITED
    12241404
    101 Park Drive, Milton Park, Abingdon, Oxfordshire, England
    Active Corporate (9 parents, 5 offsprings)
    Person with significant control
    2019-10-03 ~ now
    CIF 3 - Ownership of shares – 75% or more → OE

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Contains public sector information retrieved at 5 April 2026 and licensed under the Open Government Licence v3.0.