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

Calvert, Ian Robert

    Related profiles found in government register
  • Calvert, Ian Robert
    British chemical engineer born in March 1965

    Resident in England

    Registered addresses and corresponding companies

    • 19 Saintbury Drive, Solihull, West Midlands, B91 3SZ

      IIF 1

    • Windmill Hill Business Park, Whitehill Way, Swindon, Wiltshire, SN5 6PB

      IIF 2

    • Windmill Hill Business Park, Whitehill Way, Swindon, Wiltshire, SN5 6PB, England

      IIF 3

    • Windmill Hill Business Park, Whitehill Way, Swindon, Wiltshire, SN5 6PB

      IIF 4

    • Windmill Hill Business Park, Whitehill Way, Swindon, Wiltshire, SN5 6PB, England

      IIF 5
  • Calvert, Ian Robert
    British chief executive born in March 1965

    Resident in England

    Registered addresses and corresponding companies

    • 10, Dean Farrar Street, London, SW1H 0DX, England

      IIF 6
  • Calvert, Ian Robert
    British director born in March 1965

    Resident in England

    Registered addresses and corresponding companies

    • 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX, England

      IIF 7

    • 6th Floor, 10 Dean Farrar Street, London, SW1H 0DX, England

      IIF 8

    • 6th Floor, Heron House, 10 Dean Farrar Street, London, SW1H 0DX

      IIF 9
  • Calvert, Ian Robert

    Registered addresses and corresponding companies

    • 10, Dean Farrar Street, London, SW1H 0DX, England

      IIF 10

    • Heron House, 10 Dean Farrar Street, 6th Floor, London, SW1H 0DX

      IIF 11
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 9
  • 1
    ASSOCIATION FOR THE CONSERVATION OF ENERGY - 2017-11-30
    10 Dean Farrar Street, London, England
    Corporate (1 parent)
    Officer
    2020-07-28 ~ 2022-03-10
    IIF 6 - director → ME
    2020-10-30 ~ 2022-03-10
    IIF 10 - secretary → ME
  • 2
    ASSOCIATION FOR DECENTRALISED ENERGY LTD - 2017-01-31
    6th Floor Heron House, 10 Dean Farrar Street, London
    Corporate (1 parent)
    Equity (Company account)
    0 GBP2023-12-31
    Officer
    2019-12-04 ~ 2022-03-10
    IIF 9 - director → ME
  • 3
    6th Floor 10 Dean Farrar Street, London, England
    Corporate (8 parents)
    Equity (Company account)
    85,622 GBP2024-03-31
    Officer
    2020-02-14 ~ 2022-03-11
    IIF 8 - director → ME
  • 4
    C/o Ade, 10 Dean Farrar Street, 6th Floor, London, England
    Corporate (9 parents)
    Equity (Company account)
    302,183 GBP2024-03-31
    Officer
    2020-02-17 ~ 2022-01-31
    IIF 7 - director → ME
  • 5
    RWE INNOGY MARKINCH LIMITED - 2016-05-04
    RWE NPOWER RENEWABLES (MARKINCH) LIMITED - 2014-01-31
    RWE NPOWER RENEWABLES (TULLIS RUSSELL) LIMITED - 2009-06-30
    FIFE NESS OFFSHORE WIND FARM LIMITED - 2009-05-01
    GLACIUS NO.2 LIMITED - 2008-10-13
    Windmill Hill Business Park, Whitehill Way, Swindon, Wiltshire, England
    Corporate (5 parents)
    Officer
    2010-08-16 ~ 2019-12-21
    IIF 5 - director → ME
  • 6
    INNOGY RENEWABLES UK HOLDINGS LIMITED - 2020-09-02
    RWE INNOGY UK HOLDINGS LIMITED - 2016-09-01
    RWE INNOGY (UK) LIMITED - 2014-01-31
    Windmill Hill Business Park, Whitehill Way, Swindon, Wiltshire
    Corporate (8 parents, 2 offsprings)
    Officer
    2012-02-27 ~ 2015-12-31
    IIF 3 - director → ME
  • 7
    INNOGY RENEWABLES UK LIMITED - 2020-09-01
    RWE INNOGY UK LIMITED - 2016-09-01
    RWE NPOWER RENEWABLES LIMITED - 2014-01-31
    NPOWER RENEWABLES LIMITED - 2009-03-02
    NATIONAL WIND POWER LIMITED - 2004-06-01
    VALUEKEEP LIMITED - 1991-08-19
    Windmill Hill Business Park, Whitehill Way, Swindon, Wiltshire
    Corporate (9 parents, 40 offsprings)
    Officer
    2012-02-27 ~ 2015-12-31
    IIF 2 - director → ME
  • 8
    INNOGY STALLINGBOROUGH LIMITED - 2020-09-01
    RWE INNOGY STALLINGBOROUGH LIMITED - 2016-09-01
    RWE NPOWER RENEWABLES (STALLINGBOROUGH) LIMITED - 2014-01-31
    RWE INNOGY BIOPOWER (STALLINGBROUGH) LIMITED - 2009-04-28
    HELIUS ENERGY ALPHA LIMITED - 2009-01-19
    Windmill Hill Business Park, Whitehill Way, Swindon, Wiltshire
    Dissolved corporate (2 parents)
    Officer
    2010-08-16 ~ 2019-12-31
    IIF 4 - director → ME
  • 9
    COMBINED HEAT AND POWER ASSOCIATION - 2017-01-31
    DISTRICT HEATING ASSOCIATION - 1983-11-07
    Heron House 10 Dean Farrar Street, 6th Floor, London
    Corporate (11 parents)
    Equity (Company account)
    1,206,159 GBP2024-03-31
    Officer
    2007-11-15 ~ 2020-03-01
    IIF 1 - director → ME
    2020-03-01 ~ 2022-03-02
    IIF 11 - secretary → ME

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Contains public sector information retrieved at 24 April 2025 and licensed under the Open Government Licence v3.0.