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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 7
  • 1
    Young, Gary Donald
    Born in September 1961
    Individual (34 offsprings)
    Officer
    2025-11-24 ~ now
    OF - Director → CIF 0
  • 2
    Dowsett, John Vincent
    Born in September 1973
    Individual (10 offsprings)
    Officer
    2025-11-24 ~ now
    OF - Director → CIF 0
  • 3
    Evans, Sally
    Individual (223 offsprings)
    Officer
    2025-11-24 ~ now
    OF - Secretary → CIF 0
  • 4
    Markwick, Andrew Paul
    Born in April 1980
    Individual (12 offsprings)
    Officer
    2025-11-24 ~ now
    OF - Director → CIF 0
  • 5
    Ryder, Alasdair Alan
    Born in September 1961
    Individual (255 offsprings)
    Officer
    2025-11-24 ~ now
    OF - Director → CIF 0
  • 6
    Rowe, Thomas James Wharton
    Born in December 1967
    Individual (29 offsprings)
    Officer
    2025-11-24 ~ now
    OF - Director → CIF 0
  • 7
    RSK ENSR ENVIRONMENT LIMITED - 2007-01-22
    R.S.K. ENVIRONMENT LIMITED - 2003-04-03
    TAMAS LIMITED - 1989-05-18
    65, Sussex Street, Glasgow, Scotland
    Active Corporate (54 parents, 158 offsprings)
    Person with significant control
    2025-11-24 ~ now
    PE - Ownership of voting rights - 75% or moreCIF 0
    PE - Ownership of shares – 75% or moreCIF 0
    PE - Right to appoint or remove directorsCIF 0
Ceased 3
  • 1
    Tamberlin, Layton Gwyn
    Born in August 1976
    Individual (55 offsprings)
    Officer
    2021-07-08 ~ 2025-11-24
    OF - Director → CIF 0
    Mr Layton Gwyn Tamberlin
    Born in August 1976
    Individual (55 offsprings)
    Person with significant control
    2021-07-08 ~ 2021-09-16
    PE - Ownership of shares – More than 25% but not more than 50%CIF 0
    PE - Ownership of voting rights - More than 25% but not more than 50%CIF 0
  • 2
    Sanders, Richard Barry
    Born in July 1976
    Individual (42 offsprings)
    Officer
    2021-07-08 ~ 2025-11-24
    OF - Director → CIF 0
    Richard Sanders
    Born in July 1976
    Individual (42 offsprings)
    Person with significant control
    2021-07-08 ~ 2021-09-16
    PE - Ownership of voting rights - More than 25% but not more than 50%CIF 0
    PE - Ownership of shares – More than 25% but not more than 50%CIF 0
  • 3
    DUNWILCO (1811) LIMITED - 2013-10-01
    Fourth Floor, 68-70, George Street, Edinburgh, Midlothian, Scotland
    Active Corporate (6 parents, 6 offsprings)
    Person with significant control
    2021-09-16 ~ 2025-11-24
    PE - Ownership of shares – More than 50% but less than 75%CIF 0
    PE - Ownership of voting rights - More than 25% but not more than 50%CIF 0
parent relation
Company in focus

TOPHAM INVESTCO LIMITED

Standard Industrial Classification
64209 - Activities Of Other Holding Companies N.e.c.

Related profiles found in government register
  • TOPHAM INVESTCO LIMITED
    Info
    Registered number 13501330
    110 Wigmore Street, London, England W1U 3RW
    PRIVATE LIMITED COMPANY incorporated on 2021-07-08 (4 years 7 months). The company status is Active.
    The last date of confirmation statement was made at 2024-09-27
    CIF 0
  • TOPHAM INVESTCO LIMITED
    S
    Registered number 13501330
    Spring Lodge, 172 Chester Road, Helsby, Cheshire, England, WA6 0AR
    Private Limited Company in United Kingdom
    CIF 1
child relation
Offspring entities and appointments
Active 1
  • 110 Wigmore Street, London, England, United Kingdom
    Active Corporate (7 parents, 1 offspring)
    Person with significant control
    2021-07-09 ~ now
    CIF 1 - Right to appoint or remove directorsOE
    CIF 1 - Ownership of voting rights - 75% or moreOE
    CIF 1 - Ownership of shares – 75% or moreOE

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Contains public sector information retrieved at 9 February 2026 and licensed under the Open Government Licence v3.0.