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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers who have significant controls over the individuals in focus are always inapplicable. The offspring entities and appointments are those entities that the individuals 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
Inapplicable
parent relation
Individuals in focus

Jacobson, Ronald Marcus

    Related profiles found in government register
  • Jacobson, Ronald Marcus
    British born in October 1931

    Resident in England

    Registered addresses and corresponding companies
    • 30 Portman Towers, George Street, London, W1H 7HN, England

      IIF 1
  • Jacobson, Ronald Marcus
    British director of companies born in October 1931

    Resident in England

    Registered addresses and corresponding companies
    • 7th Floor Tavis House, Tavistock Square, London, WC1H 9NA, England

      IIF 2
  • Jacobson, Ronald Marcus
    British retired born in October 1931

    Resident in England

    Registered addresses and corresponding companies
    • 25, Nutford Place, London, W1H 5YQ, England

      IIF 3 IIF 4
    • 30 Portman Towers, George Street, London, W1H 7HN

      IIF 5
    • 30, Portman Towers, George Street, London, W1H 7HN, United Kingdom

      IIF 6
    • 5th Floor, One New Change, London, EC4M 9AF, England

      IIF 7
    • 7th Floor Tavis House, Tavistock Square, London, WC1H 9NA, England

      IIF 8 IIF 9
    • Beethoven Centre, Third Avenue, London, W10 4JL, England

      IIF 10 IIF 11
  • Jacobson, Ronald Marcus
    British

    Registered addresses and corresponding companies
    • 30 Portman Towers, George Street, London, W1H 7HN

      IIF 12
  • Mr Ronald Marcus Jacobson
    British born in October 1931

    Resident in England

    Registered addresses and corresponding companies
    • 30 Portman Towers, George Street, London, W1H 7HN, England

      IIF 13
child relation
Offspring entities and appointments
Active 1
  • 1
    CHROMESET LIMITED - 1995-08-30
    30 Portman Towers George Street, London, England
    Active Corporate (2 parents)
    Equity (Company account)
    -153,697 GBP2024-03-31
    Officer
    2024-08-08 ~ now
    IIF 1 - Director → ME
    Person with significant control
    2024-08-08 ~ now
    IIF 13 - Ownership of voting rights - 75% or moreOE
    IIF 13 - Ownership of shares – 75% or moreOE
Ceased 8
  • 1
    5th Floor One New Change, London, England
    Dissolved Corporate (2 parents)
    Officer
    2012-06-11 ~ 2019-10-16
    IIF 2 - Director → ME
  • 2
    5th Floor One New Change, London, England
    Dissolved Corporate (2 parents)
    Officer
    2011-05-04 ~ 2019-10-16
    IIF 8 - Director → ME
  • 3
    AGE CONCERN CITY OF LONDON - 2020-09-12
    102 Fitzjohns Avenue, London, England
    Active Corporate (6 parents)
    Officer
    2011-01-10 ~ 2019-10-16
    IIF 6 - Director → ME
  • 4
    AGE CONCERN ENTERPRISES (WESTMINSTER) LTD. - 2013-10-02 02788761
    GAPSTORE LIMITED - 1994-06-21
    Beethoven Centre, Third Avenue, London, England
    Active Corporate (3 parents)
    Equity (Company account)
    19,601 GBP2024-09-30
    Officer
    2019-11-28 ~ 2021-12-01
    IIF 11 - Director → ME
    2004-05-20 ~ 2016-09-29
    IIF 4 - Director → ME
  • 5
    AGE CONCERN LONDON - 2019-11-28
    Crown House, 27 Old Gloucester Street, London, England
    Active Corporate (11 parents)
    Officer
    2013-07-24 ~ 2019-10-16
    IIF 9 - Director → ME
    2006-11-08 ~ 2012-10-17
    IIF 5 - Director → ME
  • 6
    AGE CONCERN WESTMINSTER - 2013-10-11 02895229
    Beethoven Centre, Third Avenue, London, England
    Active Corporate (7 parents)
    Officer
    2004-05-20 ~ 2016-09-29
    IIF 3 - Director → ME
    2019-11-28 ~ 2021-12-01
    IIF 10 - Director → ME
  • 7
    5th Floor One New Change, London, England
    Dissolved Corporate (3 parents)
    Equity (Company account)
    0 GBP2018-07-31
    Officer
    2014-10-05 ~ 2017-02-20
    IIF 7 - Director → ME
  • 8
    CHROMESET LIMITED - 1995-08-30
    30 Portman Towers George Street, London, England
    Active Corporate (2 parents)
    Equity (Company account)
    -153,697 GBP2024-03-31
    Officer
    1995-08-15 ~ 2015-08-11
    IIF 12 - Secretary → ME

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