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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

Py, Romain Beryl

    Related profiles found in government register
  • Py, Romain Beryl
    French born in June 1974

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 15, Diddenham Court Lambwood Hill, Grazeley, Reading, RG7 1JQ, England

      IIF 1

    • C/o Alter Domus (uk) Limited, 10h Floor, 30 St. Mary Axe, London, EC3A 8BF

      IIF 2

    • C/o Alter Domus (uk) Limited, 10th Floor, 30 St Mary Axe, London, EC3A 8BF, United Kingdom

      IIF 3
  • Mr Romain Beryl Py
    French born in June 1974

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 7, Rockhall Road, London, NW2 6DT, England

      IIF 4
  • Py, Romain
    French born in June 1974

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 50, Pall Mall, London, SW1Y 5JH, United Kingdom

      IIF 5

    • 50, Pall Mall, St James's, London, SW1Y 5JH, England

      IIF 6

    • Arjun Infrastructure Partners Limited, 50 Pall Mall, London, SW1Y 5JH, United Kingdom

      IIF 7

    • C/o Alter Domus, 10th Floor, 30 St Mary Axe, London, EC3A 8BF, United Kingdom

      IIF 8

    • C/o Alter Domus (uk) Limited, 10th Floor, 30 St Mary Axe, London, EC3A 8BF, United Kingdom

      IIF 9 IIF 10 IIF 11

    • Flat 15 Charleville Mansion, S, Charleville Road, London, W14 9JB, United Kingdom

      IIF 20

    • Loddon Reach, Reading Road, Arborfield, Reading, RG2 9HU, England

      IIF 21
  • Py, Romain
    French director born in June 1974

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • C/o Alter Domus (uk) Limited, 10th Floor, 30 St Mary Axe, London, EC3A 8BF, United Kingdom

      IIF 22
  • Py, Romain
    French partner born in June 1974

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • C/o Alter Domus (uk) Limited, 10th Floor, 30 St Mary Axe, London, EC3A 8BP, United Kingdom

      IIF 23
  • Py, Romain Beryl
    French born in June 1974

    Resident in England

    Registered addresses and corresponding companies

    • 7 Rockhall Road London Nw2 6dt, Rockhall Road, London, NW2 6DT, England

      IIF 24
child relation
Offspring entities and appointments
Active 22
  • 1
    APOLLOMENA LIMITED - 2025-09-19
    15 Diddenham Court Lambwood Hill, Grazeley, Reading, England
    Active Corporate (7 parents, 1 offspring)
    Officer
    2026-01-06 ~ now
    IIF 1 - Director → ME
  • 2
    Loddon Reach, Reading Road, Arborfield, Reading, England
    Active Corporate (6 parents, 32 offsprings)
    Equity (Company account)
    Retained earnings (accumulated losses)
    594,326 GBP2017-06-30
    Officer
    2023-12-14 ~ now
    IIF 21 - Director → ME
  • 3
    7 Rockhall Road, London, England
    Active Corporate (1 parent)
    Equity (Company account)
    45,961 GBP2024-08-31
    Officer
    2013-08-22 ~ now
    IIF 20 - Director → ME
    Person with significant control
    2016-08-21 ~ now
    IIF 4 - Right to appoint or remove directors as a member of a firm → OE
    IIF 4 - Ownership of voting rights - 75% or more → OE
    IIF 4 - Ownership of shares – 75% or more as a member of a firm → OE
    IIF 4 - Ownership of shares – 75% or more with control over the trustees of a trust → OE
    IIF 4 - Ownership of voting rights - 75% or more as a member of a firm → OE
    IIF 4 - Has significant influence or control as a member of a firm → OE
    IIF 4 - Ownership of shares – 75% or more → OE
    IIF 4 - Ownership of voting rights - 75% or more with control over the trustees of a trust → OE
  • 4
    C/0 Alter Domus (uk) Limited 10th Floor, 30 St. Mary Axe, London
    Active Corporate (4 parents, 1 offspring)
    Officer
    2022-02-02 ~ now
    IIF 13 - Director → ME
  • 5
    C/o Alter Domus (uk) Limited 10th Floor, 30 St Mary Axe, London, United Kingdom
    Active Corporate (4 parents, 1 offspring)
    Officer
    2024-12-20 ~ now
    IIF 7 - Director → ME
  • 6
    C/o Alter Domus (uk) Limited 10th Floor, 30 St. Mary Axe, London
    Active Corporate (3 parents, 1 offspring)
    Officer
    2022-05-04 ~ now
    IIF 17 - Director → ME
  • 7
    C/o Alter Domus (uk) Limited 10th Floor, 30 St Mary Axe, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2023-03-17 ~ now
    IIF 12 - Director → ME
  • 8
    C/o Alter Domus (uk) Limited 10th Floor, 30 St Mary Axe, London, United Kingdom
    Active Corporate (5 parents, 1 offspring)
    Officer
    2023-04-03 ~ now
    IIF 16 - Director → ME
  • 9
    C/o Alter Domus (uk) Limited 10th Floor, 30 St Mary Axe, London, United Kingdom
    Active Corporate (5 parents)
    Officer
    2024-12-20 ~ now
    IIF 5 - Director → ME
  • 10
    C/o Alter Domus (uk) Limited 10th Floor, 30 St Mary Axe, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2021-01-28 ~ now
    IIF 18 - Director → ME
  • 11
    C/o Alter Domus (uk) Limited 10th Floor, 30 St Mary Axe, London, United Kingdom
    Active Corporate (3 parents, 1 offspring)
    Officer
    2021-02-24 ~ now
    IIF 9 - Director → ME
  • 12
    C/o Alter Domus (uk) Limited 10th Floor, 30 St Mary Axe, London, United Kingdom
    Dissolved Corporate (3 parents)
    Officer
    2021-04-27 ~ dissolved
    IIF 22 - Director → ME
  • 13
    C/o Alter Domus (uk) Limited 10th Floor, 30 St Mary Axe, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2023-07-19 ~ now
    IIF 10 - Director → ME
  • 14
    C/o Alter Domus (uk) Limited 10th Floor, 30 St Mary Axe, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2022-07-13 ~ now
    IIF 3 - Director → ME
  • 15
    C/o Alter Domus (uk) Limited 10h Floor, 30 St. Mary Axe, London
    Active Corporate (4 parents)
    Officer
    2022-12-06 ~ now
    IIF 2 - Director → ME
  • 16
    HC ONE PPP INVESTMENTS LIMITED - 2019-09-19
    7th Floor 21 Lombard Street, London
    Liquidation Corporate (7 parents)
    Officer
    2022-06-30 ~ now
    IIF 6 - Director → ME
  • 17
    High Street North 182-184 High Street North, Office 13601, London, England
    Active Corporate (3 parents)
    Officer
    2025-07-15 ~ now
    IIF 24 - Director → ME
  • 18
    C/o Alter Domus (uk) Limited 10th Floor, 30 St Mary Axe, London, United Kingdom
    Active Corporate (4 parents, 3 offsprings)
    Officer
    2023-05-31 ~ now
    IIF 14 - Director → ME
  • 19
    C/o Alter Domus (uk) Limited 10th Floor, 30 St Mary Axe, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2024-03-19 ~ now
    IIF 11 - Director → ME
  • 20
    C/o Alter Domus (uk) Limited 10th Floor, 30 St Mary Axe, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2024-03-19 ~ now
    IIF 15 - Director → ME
  • 21
    C/o Alter Domus (uk) Limited 10th Floor, 30 St Mary Axe, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2025-04-22 ~ now
    IIF 19 - Director → ME
  • 22
    50 Pall Mall, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2025-06-30 ~ now
    IIF 8 - Director → ME
Ceased 1
  • 1
    C/o Alter Domus (uk) Limited 10th Floor, 30 St Mary Axe, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2024-02-27 ~ 2025-04-22
    IIF 23 - Director → ME

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