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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 24
  • 1
    Farbridge, Caroline Louise
    Individual (158 offsprings)
    Officer
    2008-11-05 ~ 2010-10-15
    OF - Secretary → CIF 0
  • 2
    Hartley, Robert
    Born in March 1958
    Individual (65 offsprings)
    Officer
    2006-03-28 ~ 2009-04-14
    OF - Director → CIF 0
    Hartley, Robert
    Individual (65 offsprings)
    Officer
    2006-03-28 ~ 2008-07-01
    OF - Secretary → CIF 0
  • 3
    Connery, Denis Patrick
    Born in March 1957
    Individual (50 offsprings)
    Officer
    2006-03-28 ~ 2008-11-05
    OF - Director → CIF 0
    Connery, Denis Patrick
    Individual (50 offsprings)
    Officer
    2008-07-01 ~ 2008-11-05
    OF - Secretary → CIF 0
  • 4
    Wood, Keith Durham
    Born in February 1944
    Individual (2 offsprings)
    Officer
    2003-07-01 ~ 2006-03-28
    OF - Director → CIF 0
    2006-09-20 ~ 2008-07-01
    OF - Director → CIF 0
  • 5
    Arber, Gareth George
    Individual (3 offsprings)
    Officer
    2010-11-25 ~ 2026-06-30
    OF - Secretary → CIF 0
  • 6
    Taylor, Andrew Bertrand Longden
    Born in December 1949
    Individual (17 offsprings)
    Officer
    2003-07-01 ~ 2006-03-28
    OF - Director → CIF 0
    2006-09-20 ~ 2010-09-30
    OF - Director → CIF 0
    Taylor, Andrew Bertrand Longden
    Individual (17 offsprings)
    Officer
    2003-06-23 ~ 2006-03-28
    OF - Secretary → CIF 0
  • 7
    Rainsford, Kieran Michael
    Born in January 1965
    Individual (13 offsprings)
    Officer
    2005-07-01 ~ 2006-03-28
    OF - Director → CIF 0
    2006-09-20 ~ 2008-07-01
    OF - Director → CIF 0
  • 8
    Peters, John Russell
    Born in December 1959
    Individual (8 offsprings)
    Officer
    2003-07-01 ~ 2006-03-28
    OF - Director → CIF 0
    2006-09-20 ~ 2008-07-01
    OF - Director → CIF 0
  • 9
    Swift, Peter Rowland
    Born in December 1955
    Individual (1 offspring)
    Officer
    2003-07-01 ~ 2006-03-28
    OF - Director → CIF 0
    2006-09-20 ~ 2011-07-29
    OF - Director → CIF 0
  • 10
    Ward, David Graham
    Born in December 1951
    Individual (6 offsprings)
    Officer
    2003-07-01 ~ 2006-03-28
    OF - Director → CIF 0
    2006-09-20 ~ 2011-07-29
    OF - Director → CIF 0
  • 11
    Holden, Timothy Arthur
    Born in November 1959
    Individual (7 offsprings)
    Officer
    2014-04-01 ~ 2016-11-23
    OF - Director → CIF 0
  • 12
    Olver, Graham Dudley
    Born in May 1961
    Individual (45 offsprings)
    Officer
    2009-08-03 ~ 2014-04-01
    OF - Director → CIF 0
  • 13
    Gillespie, Andrew James
    Born in May 1969
    Individual (155 offsprings)
    Officer
    2010-10-15 ~ now
    OF - Director → CIF 0
  • 14
    Purvis, John George
    Born in October 1947
    Individual (41 offsprings)
    Officer
    2006-03-28 ~ 2007-09-17
    OF - Director → CIF 0
  • 15
    Ashall, John Philip
    Born in November 1954
    Individual (6 offsprings)
    Officer
    2003-07-01 ~ 2006-03-28
    OF - Director → CIF 0
    2006-09-20 ~ 2008-07-01
    OF - Director → CIF 0
  • 16
    Anderson, Clive Drummond
    Born in July 1965
    Individual (8 offsprings)
    Officer
    2008-07-01 ~ 2019-07-08
    OF - Director → CIF 0
  • 17
    Hamer, Paul Christopher
    Born in March 1969
    Individual (34 offsprings)
    Officer
    2008-07-01 ~ 2010-12-13
    OF - Director → CIF 0
    OF - Director → CIF 0
  • 18
    Dennison, Paul Michael
    Born in February 1959
    Individual (8 offsprings)
    Officer
    2003-07-01 ~ 2006-03-28
    OF - Director → CIF 0
    2006-09-20 ~ 2011-07-29
    OF - Director → CIF 0
  • 19
    Whitworth, Benjamin Warwick
    Born in August 1965
    Individual (98 offsprings)
    Officer
    2019-07-12 ~ 2019-10-31
    OF - Director → CIF 0
    Whitworth, Benjamin Warwick
    Individual (98 offsprings)
    Officer
    2011-05-03 ~ 2019-10-31
    OF - Secretary → CIF 0
  • 20
    Evans, Michael Denis
    Born in March 1944
    Individual (2 offsprings)
    Officer
    2003-06-23 ~ 2006-03-28
    OF - Director → CIF 0
    2006-09-20 ~ 2008-07-01
    OF - Director → CIF 0
  • 21
    Wilton, David Charles
    Born in October 1962
    Individual (87 offsprings)
    Officer
    2009-02-10 ~ 2010-12-13
    OF - Director → CIF 0
  • 22
    Haynes, Lawrence John
    Born in December 1952
    Individual (33 offsprings)
    Officer
    2007-06-18 ~ 2009-01-05
    OF - Director → CIF 0
  • 23
    Duncalf, David Leslie
    Born in August 1957
    Individual (2 offsprings)
    Officer
    2003-06-23 ~ 2006-03-28
    OF - Director → CIF 0
    2006-09-20 ~ 2008-07-01
    OF - Director → CIF 0
  • 24
    TETRA TECH GROUP LIMITED
    - now 06595608
    WYG GROUP LIMITED - 2020-12-16 06595608
    3, Sovereign Square, Sovereign Street, Leeds, England
    Active Corporate (21 parents, 4 offsprings)
    Person with significant control
    2016-04-06 ~ now
    PE - Ownership of voting rights - 75% or moreCIF 0
    PE - Ownership of shares – 75% or moreCIF 0
parent relation
Company in focus

TETRA TECH MANAGEMENT SERVICES LIMITED

Period: 2020-12-16 ~ now
Company number: 04807864
Registered names
TETRA TECH MANAGEMENT SERVICES LIMITED - now
TWEEDS LIMITED - 2007-08-28
Recent Standard Industrial Classification
70229 - Management Consultancy Activities Other Than Financial Management

Related profiles found in government register
  • TETRA TECH MANAGEMENT SERVICES LIMITED
    Info
    WYG MANAGEMENT SERVICES LIMITED - 2020-12-16
    TWEEDS LIMITED - 2020-12-16
    Registered number 04807864
    3 Sovereign Square, Sovereign Street, Leeds LS1 4ER
    PRIVATE LIMITED COMPANY incorporated on 2003-06-23 (23 years 2 months). The status of the company number is Active.
    The last date of confirmation statement was made at 2025-07-21
    CIF 0
  • TETRA TECH MANAGEMENT SERVICES LIMITED
    S
    Registered number 04807864
    3, Sovereign Square, Sovereign Street, Leeds, England, LS1 4ER
    Limited Liability Company in Companies House, England
    CIF 1 CIF 2
child relation
Offspring entities and appointments 2
  • 1
    NORTH ASSOCIATES (CUMBRIA) LIMITED
    07493435
    3 Sovereign Square, Sovereign Street, Leeds, England
    Active Corporate (12 parents, 1 offspring)
    Person with significant control
    2016-04-06 ~ now
    CIF 1 - Ownership of voting rights - 75% or more OE
  • 2
    TETRA TECH MANAGEMENT SERVICES (NORTHERN IRELAND) LIMITED
    - now NI021970
    WYG MANAGEMENT SERVICES (NORTHERN IRELAND) LIMITED
    - 2021-01-27 NI021970
    WYG NOLAN RYAN TWEEDS (NORTHERN IRELAND) LIMITED - 2012-03-30
    WYG NOLAN RYAN (NORTHERN IRELAND) LIMITED - 2009-03-27
    HYDROGEOLOGICAL AND ENVIRONMENTAL SERVICES LIMITED - 2008-07-21
    1 Locksley Business Park, Montgomery Road, Belfast
    Active Corporate (22 parents)
    Person with significant control
    2016-04-06 ~ now
    CIF 2 - Ownership of shares – 75% or more OE

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Contains public sector information retrieved at 14 July 2026 and licensed under the Open Government Licence v3.0.