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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
Active 3
  • 1
    Gillespie, Andrew James
    Born in May 1969
    Individual (57 offsprings)
    Officer
    icon of calendar 2010-10-15 ~ now
    OF - Director → CIF 0
  • 2
    Arber, Gareth George
    Individual (2 offsprings)
    Officer
    icon of calendar 2010-11-25 ~ now
    OF - Secretary → CIF 0
  • 3
    WYG GROUP LIMITED - 2020-12-16
    icon of address3, Sovereign Square, Sovereign Street, Leeds, England
    Active Corporate (5 parents, 4 offsprings)
    Person with significant control
    icon of calendar 2016-04-06 ~ now
    PE - Ownership of shares – 75% or moreCIF 0
    PE - Ownership of voting rights - 75% or moreCIF 0
Ceased 21
  • 1
    Olver, Graham Dudley
    Director born in May 1961
    Individual (2 offsprings)
    Officer
    icon of calendar 2009-08-03 ~ 2014-04-01
    OF - Director → CIF 0
  • 2
    Evans, Michael Denis
    Quantity Surveyor born in March 1944
    Individual
    Officer
    icon of calendar 2003-06-23 ~ 2006-03-28
    OF - Director → CIF 0
    Evans, Michael Denis
    Chartered Quantity Surveyor born in March 1944
    Individual
    icon of calendar 2006-09-20 ~ 2008-07-01
    OF - Director → CIF 0
  • 3
    Anderson, Clive Drummond
    Director born in July 1965
    Individual (1 offspring)
    Officer
    icon of calendar 2008-07-01 ~ 2019-07-08
    OF - Director → CIF 0
  • 4
    Ashall, John Philip
    Chartered Quantity Surveyor born in November 1954
    Individual (3 offsprings)
    Officer
    icon of calendar 2003-07-01 ~ 2006-03-28
    OF - Director → CIF 0
    Ashall, John Philip
    Quantity Surveyor born in November 1954
    Individual (3 offsprings)
    icon of calendar 2006-09-20 ~ 2008-07-01
    OF - Director → CIF 0
  • 5
    Peters, John Russell
    Chartered Quantity Surveyor born in December 1959
    Individual (5 offsprings)
    Officer
    icon of calendar 2003-07-01 ~ 2006-03-28
    OF - Director → CIF 0
    Peters, John Russell
    Director born in December 1959
    Individual (5 offsprings)
    icon of calendar 2006-09-20 ~ 2008-07-01
    OF - Director → CIF 0
  • 6
    Swift, Peter Rowland
    Chartered Quantity Surveyor born in December 1955
    Individual
    Officer
    icon of calendar 2003-07-01 ~ 2006-03-28
    OF - Director → CIF 0
    Swift, Peter Rowland
    Director born in December 1955
    Individual
    icon of calendar 2006-09-20 ~ 2011-07-29
    OF - Director → CIF 0
  • 7
    Taylor, Andrew Bertrand Longden
    Certified Accountant born in December 1949
    Individual (12 offsprings)
    Officer
    icon of calendar 2003-07-01 ~ 2006-03-28
    OF - Director → CIF 0
    Taylor, Andrew Bertrand Longden
    Accountant born in December 1949
    Individual (12 offsprings)
    icon of calendar 2006-09-20 ~ 2010-09-30
    OF - Director → CIF 0
    Taylor, Andrew Bertrand Longden
    Individual (12 offsprings)
    Officer
    icon of calendar 2003-06-23 ~ 2006-03-28
    OF - Secretary → CIF 0
  • 8
    Haynes, Lawrence John
    Director born in December 1952
    Individual (3 offsprings)
    Officer
    icon of calendar 2007-06-18 ~ 2009-01-05
    OF - Director → CIF 0
  • 9
    Dennison, Paul Michael
    Project Manager born in February 1959
    Individual (3 offsprings)
    Officer
    icon of calendar 2003-07-01 ~ 2006-03-28
    OF - Director → CIF 0
    Dennison, Paul Michael
    Consultant born in February 1959
    Individual (3 offsprings)
    icon of calendar 2006-09-20 ~ 2011-07-29
    OF - Director → CIF 0
  • 10
    Hartley, Robert
    Chartered Accountant born in March 1958
    Individual (5 offsprings)
    Officer
    icon of calendar 2006-03-28 ~ 2009-04-14
    OF - Director → CIF 0
    Hartley, Robert
    Chartered Accountant
    Individual (5 offsprings)
    Officer
    icon of calendar 2006-03-28 ~ 2008-07-01
    OF - Secretary → CIF 0
  • 11
    Rainsford, Kieran Michael
    Chartered Surveyor born in January 1965
    Individual (8 offsprings)
    Officer
    icon of calendar 2005-07-01 ~ 2006-03-28
    OF - Director → CIF 0
    icon of calendar 2006-09-20 ~ 2008-07-01
    OF - Director → CIF 0
  • 12
    Hamer, Paul Christopher
    Director born in March 1969
    Individual (1 offspring)
    Officer
    icon of calendar 2008-07-01 ~ 2010-12-13
    OF - Director → CIF 0
    OF - Director → CIF 0
  • 13
    Duncalf, David Leslie
    Quantity Surveyor born in August 1957
    Individual (1 offspring)
    Officer
    icon of calendar 2003-06-23 ~ 2006-03-28
    OF - Director → CIF 0
    Duncalf, David Leslie
    Surveyor born in August 1957
    Individual (1 offspring)
    icon of calendar 2006-09-20 ~ 2008-07-01
    OF - Director → CIF 0
  • 14
    Purvis, John George
    Chartered Engineer born in October 1947
    Individual (1 offspring)
    Officer
    icon of calendar 2006-03-28 ~ 2007-09-17
    OF - Director → CIF 0
  • 15
    Whitworth, Benjamin Warwick
    Solicitor born in August 1965
    Individual (20 offsprings)
    Officer
    icon of calendar 2019-07-12 ~ 2019-10-31
    OF - Director → CIF 0
    Whitworth, Benjamin Warwick
    Individual (20 offsprings)
    Officer
    icon of calendar 2011-05-03 ~ 2019-10-31
    OF - Secretary → CIF 0
  • 16
    Wood, Keith Durham
    Chartered Quantity Surveyor born in February 1944
    Individual
    Officer
    icon of calendar 2003-07-01 ~ 2006-03-28
    OF - Director → CIF 0
    Wood, Keith Durham
    Director born in February 1944
    Individual
    icon of calendar 2006-09-20 ~ 2008-07-01
    OF - Director → CIF 0
  • 17
    Connery, Denis Patrick
    Director born in March 1957
    Individual (1 offspring)
    Officer
    icon of calendar 2006-03-28 ~ 2008-11-05
    OF - Director → CIF 0
    Connery, Denis Patrick
    Director
    Individual (1 offspring)
    Officer
    icon of calendar 2008-07-01 ~ 2008-11-05
    OF - Secretary → CIF 0
  • 18
    Farbridge, Caroline Louise
    Chartered Secretary
    Individual
    Officer
    icon of calendar 2008-11-05 ~ 2010-10-15
    OF - Secretary → CIF 0
  • 19
    Ward, David Graham
    Chartered Builder born in December 1951
    Individual (3 offsprings)
    Officer
    icon of calendar 2003-07-01 ~ 2006-03-28
    OF - Director → CIF 0
    Ward, David Graham
    Director born in December 1951
    Individual (3 offsprings)
    icon of calendar 2006-09-20 ~ 2011-07-29
    OF - Director → CIF 0
  • 20
    Holden, Timothy Arthur
    Chartered Town Planner born in November 1959
    Individual
    Officer
    icon of calendar 2014-04-01 ~ 2016-11-23
    OF - Director → CIF 0
  • 21
    Wilton, David Charles
    Director born in October 1962
    Individual (2 offsprings)
    Officer
    icon of calendar 2009-02-10 ~ 2010-12-13
    OF - Director → CIF 0
parent relation
Company in focus

TETRA TECH MANAGEMENT SERVICES LIMITED

Previous names
WYG MANAGEMENT SERVICES LIMITED - 2020-12-16
TWEEDS LIMITED - 2007-08-28
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
    icon of address3 Sovereign Square, Sovereign Street, Leeds LS1 4ER
    PRIVATE LIMITED COMPANY incorporated on 2003-06-23 (22 years 6 months). The company status 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
    icon of address3, 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
Active 2
  • 1
    icon of address3 Sovereign Square, Sovereign Street, Leeds, England
    Active Corporate (2 parents, 1 offspring)
    Equity (Company account)
    -943,000 GBP2023-09-30
    Person with significant control
    icon of calendar 2016-04-06 ~ now
    CIF 1 - Ownership of voting rights - 75% or moreOE
  • 2
    WYG MANAGEMENT SERVICES (NORTHERN IRELAND) LIMITED - 2021-01-27
    HYDROGEOLOGICAL AND ENVIRONMENTAL SERVICES LIMITED - 2008-07-21
    WYG NOLAN RYAN (NORTHERN IRELAND) LIMITED - 2009-03-27
    WYG NOLAN RYAN TWEEDS (NORTHERN IRELAND) LIMITED - 2012-03-30
    icon of address1 Locksley Business Park, Montgomery Road, Belfast
    Active Corporate (2 parents)
    Person with significant control
    icon of calendar 2016-04-06 ~ now
    CIF 2 - Ownership of shares – 75% or moreOE

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.