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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 15
  • 1
    Khayami, Alidad
    Company Director born in October 1972
    Individual (7 offsprings)
    Officer
    1995-02-03 ~ 2016-02-29
    OF - Director → CIF 0
  • 2
    Sherwin, Michael
    Finance Director born in March 1959
    Individual (86 offsprings)
    Officer
    2016-02-29 ~ 2019-03-01
    OF - Director → CIF 0
  • 3
    Khayami, Mahmoud
    Director born in January 1930
    Individual (3 offsprings)
    Officer
    (before 1990-12-29) ~ 2015-12-11
    OF - Director → CIF 0
  • 4
    Forrester, Robert Thomas
    Born in September 1969
    Individual (143 offsprings)
    Officer
    2016-02-29 ~ now
    OF - Director → CIF 0
  • 5
    Mace, James Christopher
    Director born in October 1922
    Individual (2 offsprings)
    Officer
    (before 1990-12-29) ~ 1994-10-15
    OF - Director → CIF 0
  • 6
    Khayami, Shahrzad
    Director born in April 1957
    Individual (2 offsprings)
    Officer
    (before 1990-12-29) ~ 1999-04-28
    OF - Director → CIF 0
  • 7
    Thomas, David Llewellyn
    Company Director born in April 1936
    Individual (2 offsprings)
    Officer
    2002-02-01 ~ 2016-02-29
    OF - Director → CIF 0
  • 8
    Loose, Nicola Jane Carrington
    Individual (82 offsprings)
    Officer
    2019-03-01 ~ now
    OF - Secretary → CIF 0
  • 9
    Crane, David Paul
    Born in October 1967
    Individual (87 offsprings)
    Officer
    2016-02-29 ~ now
    OF - Director → CIF 0
  • 10
    Peters, Hugh Beverley
    Company Director born in July 1939
    Individual (5 offsprings)
    Officer
    1993-12-13 ~ 2016-02-29
    OF - Director → CIF 0
  • 11
    Khayami, Ebrahim Mehrdad
    Director born in October 1957
    Individual (2 offsprings)
    Officer
    (before 1990-12-29) ~ 1995-02-03
    OF - Director → CIF 0
  • 12
    Martin, Brian John
    Solicitor (Ret'D) born in February 1930
    Individual (9 offsprings)
    Officer
    1999-11-30 ~ 2012-06-15
    OF - Director → CIF 0
    Martin, Brian John
    Solicitor
    Individual (9 offsprings)
    Officer
    (before 1990-12-29) ~ 2012-06-15
    OF - Secretary → CIF 0
  • 13
    Anderson, Karen
    Born in November 1971
    Individual (118 offsprings)
    Officer
    2016-02-29 ~ now
    OF - Director → CIF 0
    Anderson, Karen
    Individual (118 offsprings)
    Officer
    2016-02-29 ~ 2019-03-01
    OF - Secretary → CIF 0
  • 14
    Foroutan, Mansoor
    Business Manager born in January 1946
    Individual (2 offsprings)
    Officer
    2014-10-10 ~ 2015-12-09
    OF - Director → CIF 0
  • 15
    VERTU MOTORS PLC
    - now 05984855
    NORHAM HOUSE 1101 PLC - 2006-11-02
    Vertu House, Fifth Avenue Business Park, Team Valley, Gateshead, Tyne & Wear, United Kingdom
    Active Corporate (20 parents, 33 offsprings)
    Person with significant control
    2016-12-22 ~ now
    PE - Right to appoint or remove directorsCIF 0
    PE - Ownership of shares – 75% or moreCIF 0
    PE - Ownership of voting rights - 75% or moreCIF 0
parent relation
Company in focus

SIGMA HOLDINGS LIMITED

Period: 1984-02-02 ~ now
Company number: 01723895
Registered names
SIGMA HOLDINGS LIMITED - now
ATTENGEM LIMITED - 1984-02-02
Standard Industrial Classification
70229 - Management Consultancy Activities Other Than Financial Management
70100 - Activities Of Head Offices

Related profiles found in government register
  • SIGMA HOLDINGS LIMITED
    Info
    ATTENGEM LIMITED - 1984-02-02
    Registered number 01723895
    Vertu House Fifth Avenue Business Park, Team Valley, Gateshead NE11 0XA
    PRIVATE LIMITED COMPANY incorporated on 1983-05-17 (42 years 11 months). The status of the company number is Active.
    The last date of confirmation statement was made at 2025-12-29
    CIF 0
  • SIGMA HOLDINGS LIMITED
    S
    Registered number 1723895
    273-283, Bath Road, Slough, Berkshire, United Kingdom, SL1 5PR
    ENGLAND AND WALES
    CIF 1
  • SIGMA HOLDINGS LIMITED
    S
    Registered number 01723895
    Vertu House, Fifth Avenue Business Park, Team Valley, Gateshead, United Kingdom, NE11 0XA
    Limited By Shares in Companies House, United Kingdom
    CIF 2
child relation
Offspring entities and appointments 2
  • 1
    VERTU MOTORS (CONTINENTAL) LIMITED
    - now 02156457
    GREENOAKS (MAIDENHEAD) LIMITED
    - 2018-11-01 02156457
    WINNINGTON HOLDINGS LIMITED - 1990-02-06
    COURSEWOOD LIMITED - 1988-02-01
    Vertu House Fifth Avenue Business Park, Team Valley, Gateshead, Tyne & Wear, United Kingdom
    Active Corporate (24 parents)
    Person with significant control
    2016-07-11 ~ now
    CIF 2 - Right to appoint or remove directors OE
    CIF 2 - Ownership of voting rights - 75% or more OE
    CIF 2 - Ownership of shares – 75% or more OE
  • 2
    WINNINGTON HOLDINGS LLP
    OC304933 02156457
    4th Floor Tuition House 27-37 St George's Road, Wimbledon, London
    Dissolved Corporate (5 parents)
    Officer
    2010-01-28 ~ dissolved
    CIF 1 - LLP Designated Member → ME

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