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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

Ian Duncan Calvert

    Related profiles found in government register
  • Ian Duncan Calvert
    British born in July 1955

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 71-75, Shelton Street, Covent Garden, London, WC2H 9JQ, United Kingdom

      IIF 1
  • Mr Ian Duncan Calvert
    British born in July 1955

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • The Old Farm House, Wilstead Hill, Haynes, Bedford, MK45 3RD, United Kingdom

      IIF 2

    • The Old Farmhouse, Wilstead Hill, Haynes, Bedfordshire, MK45 3RD, United Kingdom

      IIF 3
  • Mr Ian Calvert
    English born in July 1955

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Unit 1a, Penrose House, Treleigh Industrial Estate, Redruth, TR16 4DE, United Kingdom

      IIF 4
  • Mr Ian Duncan Calvert
    British born in July 1955

    Resident in England

    Registered addresses and corresponding companies

    • The Old Farmhouse, Wilstead Hill, Haynes, Bedford, MK45 3RD, England

      IIF 5
  • Calvert, Ian Duncan
    British born in July 1955

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Unit S10, Street 5, Westcott Venture Park, Aylesbury, Buckinghamshire, HP18 0XB, England

      IIF 6

    • The Old Farm House, Wilstead Hill, Haynes, Bedford, MK45 3RD, United Kingdom

      IIF 7

    • 71-75, Shelton Street, Covent Garden, London, WC2H 9JQ, United Kingdom

      IIF 8
  • Calvert, Ian Duncan
    British director and company secretary born in July 1955

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • The Old Farmhouse, Wilstead Hill, Haynes, Bedfordshire, MK45 3RD, United Kingdom

      IIF 9
  • Calvert, Ian
    English director born in July 1955

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Westbourne House, West Street, Liskeard, PL14 6BT, England

      IIF 10
  • Calvert, Ian Duncan
    British born in July 1955

    Resident in England

    Registered addresses and corresponding companies

    • C/o 3 West Park Farm, Wilstead Hill, Haynes, Bedford, Bedfordshire, MK45 3RD, England

      IIF 11

    • The Old Farmhouse, Wilstead Hill, Haynes, Bedford, MK45 3RD, England

      IIF 12
  • Calvert, Ian Duncan
    British director born in July 1955

    Resident in England

    Registered addresses and corresponding companies

    • One, Bartholomew Close, London, EC1A 7BL, England

      IIF 13
  • Calvert, Ian Duncan
    British project manager born in July 1955

    Resident in England

    Registered addresses and corresponding companies

    • The Granary, High Street Turvey, Bedford, Bedfordshire, MK43 8DB, United Kingdom

      IIF 14
  • Calvert, Ian Duncan
    British telecomms specialist

    Registered addresses and corresponding companies

    • Oakley House, High Street, Clophill, Bedfordshire, MK45 4AA

      IIF 15
child relation
Offspring entities and appointments
Active 6
  • 1
    The Old Farmhouse, Wilstead Hill, Haynes, Bedfordshire, United Kingdom
    Dissolved Corporate (1 parent)
    Equity (Company account)
    1 GBP2023-06-30
    Officer
    2022-06-07 ~ dissolved
    IIF 9 - Director → ME
    Person with significant control
    2022-06-07 ~ dissolved
    IIF 3 - Right to appoint or remove directors → OE
    IIF 3 - Ownership of voting rights - 75% or more → OE
    IIF 3 - Ownership of shares – 75% or more → OE
  • 2
    The Granary, High Street Turvey, Bedford, Bedfordshire
    Dissolved Corporate (2 parents)
    Officer
    2011-12-06 ~ dissolved
    IIF 14 - Director → ME
  • 3
    BLACKSTONE POWER LIMITED - 2024-06-04
    Tig Metropolitan House, Long Rigg Road, Swalwell, United Kingdom
    Active Corporate (5 parents)
    Equity (Company account)
    100 GBP2024-06-30
    Officer
    2025-08-01 ~ now
    IIF 6 - Director → ME
  • 4
    The Old Farm House Wilstead Hill, Haynes, Bedford, United Kingdom
    Active Corporate (2 parents)
    Equity (Company account)
    -189,853 GBP2024-06-30
    Officer
    2017-06-23 ~ now
    IIF 7 - Director → ME
    Person with significant control
    2017-06-23 ~ now
    IIF 2 - Ownership of shares – More than 25% but not more than 50% → OE
    IIF 2 - Ownership of voting rights - More than 25% but not more than 50% → OE
  • 5
    ST ALBANS HOSPITALS LIMITED - 2012-06-18
    The Old Farmhouse Wilstead Hill, Haynes, Bedford, England
    Active Corporate (2 parents)
    Equity (Company account)
    -1,633 GBP2024-08-31
    Officer
    2009-02-26 ~ now
    IIF 12 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 5 - Ownership of voting rights - More than 25% but not more than 50% → OE
    IIF 5 - Ownership of shares – More than 25% but not more than 50% → OE
  • 6
    C/o 3 West Park Farm Wilstead Hill, Haynes, Bedford, Bedfordshire, England
    Active Corporate (6 parents)
    Equity (Company account)
    5,232 GBP2024-11-30
    Officer
    2023-06-14 ~ now
    IIF 11 - Director → ME
Ceased 4
  • 1
    50 Stewart Road, Harpenden
    Dissolved Corporate (1 parent)
    Officer
    2003-05-23 ~ 2010-05-30
    IIF 15 - Secretary → ME
  • 2
    100 St. James Road, Northampton
    Liquidation Corporate (1 parent)
    Officer
    2023-03-14 ~ 2024-05-28
    IIF 13 - Director → ME
  • 3
    71-75 Shelton Street, Covent Garden, London, United Kingdom
    Active Corporate (1 parent)
    Officer
    2025-01-08 ~ 2025-12-16
    IIF 8 - Director → ME
    Person with significant control
    2025-01-08 ~ 2025-12-16
    IIF 1 - Ownership of shares – More than 25% but not more than 50% → OE
    IIF 1 - Ownership of voting rights - More than 25% but not more than 50% → OE
  • 4
    VERGIS LIMITED - 2018-01-31
    Westbourne House, West Street, Liskeard, England
    Active Corporate (6 parents)
    Profit/Loss (Company account)
    -7,695,180 GBP2020-12-01 ~ 2021-12-31
    Officer
    2017-01-26 ~ 2023-06-23
    IIF 10 - Director → ME
    Person with significant control
    2017-01-26 ~ 2020-12-21
    IIF 4 - Right to appoint or remove directors → OE
    IIF 4 - Ownership of voting rights - 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 - Right to appoint or remove directors as a member of a firm → OE
    IIF 4 - Ownership of shares – 75% or more → OE
    IIF 4 - Ownership of shares – 75% or more as a member of a firm → OE
    IIF 4 - Right to appoint or remove directors with control over the trustees of a trust → 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 → OE

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