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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.

Jump to: Offsprings
Parent entities and officers
Inapplicable
parent relation
Individuals in focus

Prelz Oltramonti, Massimo Giovanni

    Related profiles found in government register
  • Prelz Oltramonti, Massimo Giovanni
    Italian director born in December 1954

    Registered addresses and corresponding companies
  • Prelz Oltramonti, Massimo Giovanni
    Italian investment adv born in December 1954

    Registered addresses and corresponding companies
    • 58 Kensington Park Road, London, W11 3BJ

      IIF 5
  • Prelz Oltramonti, Massimo Giovanni
    Italian venture capital born in December 1954

    Registered addresses and corresponding companies
    • 58 Kensington Park Road, London, W11 3BJ

      IIF 6
  • Prelz Oltramonti, Massimo Giovanni
    born in December 1954

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 7th Floor, 2 Queen Annes Gate Buildings, Dartmouth Street, London, SW1H 9BP, United Kingdom

      IIF 7
  • Prelz Oltramonti, Massimo Giovanni
    Italian born in December 1954

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Windrush Court, Abingdon, Oxon, OX14 1SY, United Kingdom

      IIF 8
  • Prelz Oltramonti, Massimo Giovanni
    Italian company director born in December 1954

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • C/o Gowling Wlg, 4 More London Riverside, London, SE1 2AU, United Kingdom

      IIF 9
  • Prelz Oltramonti, Massimo Giovanni
    Italian director born in December 1954

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 2 Queen Annes Gate Buildings, Dartmouth Street, London, SW1H 9BP, England

      IIF 10
    • 53, Chandos Place, London, WC2N 4HS, United Kingdom

      IIF 11
  • Prele Oltramonti, Massimo Giovanni
    British investment manager born in December 1954

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 58, Kensington Park Road, London, W11 3BJ

      IIF 12
  • Mr Massimo Giovanni Prelz Oltramonti
    Italian born in December 1954

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 7th Floor, 2 Queen Annes Gate Buildings, London, SW1H 9BP, United Kingdom

      IIF 13
child relation
Offspring entities and appointments 12
  • 1
    ADVENT INTERNATIONAL LTD - now
    ADVENT INTERNATIONAL PUBLIC LIMITED COMPANY
    - 2019-12-02 02342186
    OFFERNEW PUBLIC LIMITED COMPANY - 1989-07-13
    160 Victoria Street, London, England
    Active Corporate (27 parents, 1 offspring)
    Officer
    1995-01-27 ~ 1999-04-12
    IIF 6 - Director → ME
  • 2
    CITYFIBRE INFRASTRUCTURE HOLDINGS LIMITED - now
    CITYFIBRE INFRASTRUCTURE HOLDINGS PLC
    - 2018-06-22 08772997
    CITYFIBRE INFRASTRUCTURE HOLDINGS LIMITED
    - 2014-01-10 08772997
    NEWINCCO 1269 LIMITED - 2013-12-11
    15 Bedford Street, London
    Active Corporate (23 parents, 5 offsprings)
    Officer
    2014-01-10 ~ 2014-10-01
    IIF 11 - Director → ME
  • 3
    DN PROMETHEUS LLP
    OC450310
    7th Floor 2 Queen Annes Gate Buildings, Dartmouth Street, London
    Active Corporate (8 parents)
    Officer
    2023-12-14 ~ now
    IIF 7 - LLP Member → ME
    Person with significant control
    2023-12-14 ~ now
    IIF 13 - Right to surplus assets - More than 25% but not more than 50% OE
  • 4
    ERIC AND SALOME ESTORICK FOUNDATION
    03044221
    Northampton Lodge, 39a Canonbury Square, London
    Active Corporate (32 parents)
    Officer
    2006-06-20 ~ 2006-12-31
    IIF 4 - Director → ME
  • 5
    FLYING JAMON LTD.
    08799743
    25 Farringdon Street, London
    Dissolved Corporate (11 parents, 1 offspring)
    Officer
    2018-11-26 ~ 2020-04-05
    IIF 10 - Director → ME
  • 6
    GIGACLEAR LIMITED - now
    GIGACLEAR PLC
    - 2019-02-20 07476617
    GIGACLEAR LIMITED
    - 2014-09-09 07476617
    Building One, Wyndyke Furlong, Abingdon, Oxfordshire, United Kingdom
    Active Corporate (33 parents, 2 offsprings)
    Officer
    2014-06-30 ~ 2017-08-01
    IIF 8 - Director → ME
  • 7
    JACOBS RIMELL LIMITED
    - now 03436170
    TEALHAVEN LIMITED - 1998-01-05
    3rd Floor Chiswick Park Estate, 566 Chiswick High Road, London, England
    Active Corporate (27 parents)
    Officer
    2003-05-02 ~ 2004-06-11
    IIF 1 - Director → ME
  • 8
    JAZZCOM LIMITED
    - now 04042511
    JAZZVOICE LIMITED - 2000-09-26
    HACKREMCO (NO.1697) LIMITED - 2000-08-16
    Resolve Partners Limited 22 York Buildings, John Adam Street, London
    Dissolved Corporate (14 parents)
    Officer
    2004-06-30 ~ 2004-11-02
    IIF 3 - Director → ME
  • 9
    ORANGE PARTICIPATIONS UK LIMITED - now
    ORANGE SPAIN, LIMITED - 2017-08-14
    ORANGE SPAIN, PLC - 2016-06-17
    JAZZTEL P.L.C.
    - 2016-02-17 03597184
    3 More London Riverside, London, England
    Active Corporate (54 parents, 1 offspring)
    Officer
    1999-02-02 ~ 2004-11-01
    IIF 2 - Director → ME
  • 10
    PRISMASTAR LIMITED
    - now 06777464
    PRIMASTAR LIMITED - 2009-04-22
    BIDEAWHILE 614 LIMITED - 2009-04-15
    Pioneer House, Vision Park, Histon, Cambridge
    Dissolved Corporate (12 parents)
    Officer
    2010-09-21 ~ 2012-02-16
    IIF 12 - Director → ME
  • 11
    WHITEGROUND LIMITED
    04434662
    27 Hill Street, London, England
    Dissolved Corporate (18 parents)
    Officer
    2002-10-01 ~ 2005-07-06
    IIF 5 - Director → ME
  • 12
    ZZOOMM GROUP LIMITED
    11734368
    C/o Dmh Stallard Llp, Fetter Yard, Barnards Inn, 86 Fetter Lane, London, United Kingdom
    Active Corporate (17 parents, 2 offsprings)
    Officer
    2019-09-01 ~ 2025-03-07
    IIF 9 - Director → ME

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Contains public sector information retrieved at 22 March 2026 and licensed under the Open Government Licence v3.0.