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

Mathieson, Mark William

    Related profiles found in government register
  • Mathieson, Mark William
    British asset manager born in September 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • C/o Aztec Financial Services (uk) Limited, Forum 4, Solent Business Park, Parkway South, Whiteley, Fareham, Hampshire, PO15 7AD, England

      IIF 1 IIF 2

    • Ropemaker Place, 28 Ropemaker Street, London, EC2Y 9HD, United Kingdom

      IIF 3 IIF 4 IIF 5
  • Mathieson, Mark William
    British banker born in September 1966

    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 10 IIF 11

    • Southern House, Yeoman Road, Worthing, West Sussex, BN13 3NX

      IIF 12
  • Mathieson, Mark William
    British chief executive officer born in September 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Cef Building, Inveralmond Road, Inveralmond Industrial Estate, Perth, PH1 3TW

      IIF 13 IIF 14
  • Mathieson, Mark William
    British company director born in September 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 50, Lothian Road, Edinburgh, Scotland, EH3 9WJ, United Kingdom

      IIF 15
  • Mathieson, Mark William
    British director born in September 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Cadent, Pilot Way, Ansty, Coventry, CV7 9JU, England

      IIF 16

    • 6, Greenfinch Close, Crowthorne, Berks, RG45 6TZ, United Kingdom

      IIF 17

    • Grangefield House, Richardshaw Road, Pudsey, Leeds, West Yorkshire, LS28 6QS

      IIF 18

    • 10th Floor, 30 St Mary Axe, London, EC3A 8BF, United Kingdom

      IIF 19

    • 18, St Swithin's Lane, London, EC4N 8AD, United Kingdom

      IIF 20

    • Inveralmond Road, Inveralmond Road, Inveralmond Industrial Estate, Perth, PH1 3TW, Scotland

      IIF 21

    • National Grid House, Warwick Technology Park, Gallows Hill, Warwick, CV34 6DA

      IIF 22 IIF 23 IIF 24

    • National Grid House, Warwick Technology Park, Gallows Hill, Warwick, CV34 6DA, United Kingdom

      IIF 28 IIF 29
  • Mathieson, Mark William
    British director of distribution born in September 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Mathieson, Mark William
    British director of power systems born in September 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Capenhurst Technology Park, Capenhurst, Chester, Cheshire, CH1 6ES

      IIF 48

    • 55, Vastern Road, Reading, Berkshire, RG1 8BU, United Kingdom

      IIF 49
  • Mathieson, Mark William
    British managing director born in September 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Mathieson, Mark William
    British non-executive director born in September 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 65 Gresham Street, London, EC2V 7NQ, England

      IIF 54
  • Mr Mark William Mathieson
    British born in September 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 6, Greenfinch Close, Crowthorne, Berks, RG45 6TZ, United Kingdom

      IIF 55
child relation
Offspring entities and appointments
Active 27
  • 1
    NATIONAL GRID GAS DISTRIBUTION LIMITED - 2017-05-02
    NATIONAL GRID THIRTY SEVEN LIMITED - 2016-05-05
    Cadent, Pilot Way, Ansty, Coventry, England
    Corporate (22 parents, 5 offsprings)
    Officer
    2018-11-28 ~ now
    IIF 51 - director → ME
  • 2
    C/o Aztec Financial Services (uk) Limited Forum 4, Solent Business Park, Parkway South, Whiteley, Fareham, Hampshire, England
    Corporate (5 parents, 1 offspring)
    Officer
    2023-12-06 ~ now
    IIF 1 - director → ME
  • 3
    C/o Aztec Financial Services (uk) Limited Forum 4, Solent Business Park, Parkway South, Whiteley, Fareham, Hampshire, England
    Corporate (5 parents, 1 offspring)
    Officer
    2023-12-06 ~ now
    IIF 2 - director → ME
  • 4
    Ropemaker Place, 28 Ropemaker Street, London, United Kingdom
    Dissolved corporate (4 parents)
    Officer
    2021-01-28 ~ dissolved
    IIF 6 - director → ME
  • 5
    Ropemaker Place, 28 Ropemaker Street, London, United Kingdom
    Dissolved corporate (3 parents, 1 offspring)
    Officer
    2021-01-26 ~ dissolved
    IIF 7 - director → ME
  • 6
    Ropemaker Place, 28 Ropemaker Street, London, United Kingdom
    Dissolved corporate (4 parents, 1 offspring)
    Officer
    2021-01-26 ~ dissolved
    IIF 4 - director → ME
  • 7
    National Grid House Warwick Technology Park, Gallows Hill, Warwick
    Corporate (12 parents, 1 offspring)
    Officer
    2022-06-16 ~ now
    IIF 26 - director → ME
  • 8
    National Grid House Warwick Technology Park, Gallows Hill, Warwick
    Corporate (12 parents, 1 offspring)
    Officer
    2022-06-16 ~ now
    IIF 24 - director → ME
  • 9
    National Grid House Warwick Technology Park, Gallows Hill, Warwick
    Corporate (12 parents, 1 offspring)
    Officer
    2022-06-16 ~ now
    IIF 25 - director → ME
  • 10
    ENERGETICS GROUP (HOLDINGS) LIMITED - 2019-09-05
    HIRST HOLDCO LIMITED - 2018-10-30
    Kingfisher Suite Wheelhouse, Bonds Mill Estate, Stonehouse, Gloucestershire, England
    Corporate (7 parents, 1 offspring)
    Officer
    2024-10-28 ~ now
    IIF 5 - director → ME
  • 11
    ENERGETICS GROUP LIMITED - 2019-09-05
    HIRST BIDCO LIMITED - 2018-10-30
    Kingfisher Suite Wheelhouse, Bonds Mill Estate, Stonehouse, Gloucestershire, England
    Corporate (8 parents, 2 offsprings)
    Officer
    2024-10-28 ~ now
    IIF 9 - director → ME
  • 12
    ENERGETICS HOLDCO1 LIMITED - 2019-09-05
    Kingfisher Suite Wheelhouse, Bonds Mill Estate, Stonehouse, Gloucestershire, England
    Corporate (6 parents, 1 offspring)
    Officer
    2024-10-28 ~ now
    IIF 3 - director → ME
  • 13
    ENERGETICS HOLDCO2 LIMITED - 2019-09-05
    Kingfisher Suite Wheelhouse, Bonds Mill Estate, Stonehouse, Gloucestershire, England
    Corporate (6 parents, 1 offspring)
    Officer
    2024-10-28 ~ now
    IIF 8 - director → ME
  • 14
    National Grid House Warwick Technology Park, Gallows Hill, Warwick, United Kingdom
    Corporate (10 parents, 1 offspring)
    Officer
    2022-03-18 ~ now
    IIF 29 - director → ME
  • 15
    National Grid House Warwick Technology Park, Gallows Hill, Warwick, United Kingdom
    Corporate (10 parents, 1 offspring)
    Officer
    2022-03-18 ~ now
    IIF 28 - director → ME
  • 16
    6 Greenfinch Close, Crowthorne, Berks, United Kingdom
    Corporate (2 parents)
    Equity (Company account)
    98,353 GBP2024-02-28
    Officer
    2015-02-27 ~ now
    IIF 17 - director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 55 - Ownership of shares – More than 25% but not more than 50% → OE
  • 17
    37 Esplanade, 3rd Floor, St Helier, Channel Islands, Jersey
    Corporate (4 parents)
    Officer
    2018-10-11 ~ now
    IIF 19 - director → ME
  • 18
    NATIONAL GRID METERING LIMITED - 2023-02-06
    TRANSCO METERING SERVICES LIMITED - 2005-10-10
    TRANSCO METERING SERVICES (WALES) LIMITED - 2002-04-26
    BG METERING SERVICES (WALES) LIMITED - 2000-10-13
    National Grid House Warwick Technology Park, Gallows Hill, Warwick
    Corporate (12 parents)
    Officer
    2023-01-31 ~ now
    IIF 27 - director → ME
  • 19
    NATIONAL GRID GAS HOLDINGS LIMITED - 2023-02-06
    NATIONAL GRID GAS HOLDINGS PLC - 2009-01-12
    TRANSCO HOLDINGS PLC - 2005-10-10
    BG TRANSCO HOLDINGS PLC - 2000-10-23
    AILDON - 1999-09-10
    National Grid House Warwick Technology Park, Gallows Hill, Warwick
    Corporate (12 parents, 1 offspring)
    Officer
    2023-01-31 ~ now
    IIF 22 - director → ME
  • 20
    NATIONAL GRID GAS PLC - 2023-02-06
    TRANSCO PLC - 2005-10-10
    BG TRANSCO PLC - 2000-10-23
    BG PUBLIC LIMITED COMPANY - 1999-12-13
    BRITISH GAS PUBLIC LIMITED COMPANY - 1997-02-17
    National Grid House Warwick Technology Park, Gallows Hill, Warwick
    Corporate (17 parents, 3 offsprings)
    Officer
    2023-01-31 ~ now
    IIF 23 - director → ME
  • 21
    MASE INTEGRATION AND COMMUNICATION LIMITED - 2002-07-22
    55 Vastern Road, Reading, Berkshire
    Dissolved corporate (2 parents)
    Officer
    2010-12-17 ~ dissolved
    IIF 43 - director → ME
  • 22
    Cadent, Pilot Way, Ansty, Coventry, England
    Corporate (17 parents, 1 offspring)
    Officer
    2018-11-28 ~ now
    IIF 52 - director → ME
  • 23
    3rd Floor 37 Esplanade, St. Helier, Jersey
    Corporate (15 parents)
    Officer
    2019-01-29 ~ now
    IIF 20 - director → ME
  • 24
    TELLSID INVESTMENTS LIMITED - 2017-01-04
    Cadent, Pilot Way, Ansty, Coventry, England
    Corporate (16 parents, 1 offspring)
    Officer
    2019-01-29 ~ now
    IIF 16 - director → ME
  • 25
    Cadent, Pilot Way, Ansty, Coventry, England
    Corporate (17 parents, 3 offsprings)
    Officer
    2018-11-28 ~ now
    IIF 50 - director → ME
  • 26
    Cadent, Pilot Way, Ansty, Coventry, England
    Corporate (17 parents, 1 offspring)
    Officer
    2018-11-28 ~ now
    IIF 53 - director → ME
  • 27
    2nd Floor, 83- 85 Great Victoria Street, Belfast, Northern Ireland
    Dissolved corporate (7 parents)
    Officer
    2010-04-19 ~ dissolved
    IIF 31 - director → ME
Ceased 26
  • 1
    NBN BROADBAND NETWORKS LIMITED - 2004-12-03
    ATLASCONNECT LIMITED - 2003-06-26
    Inveralmond House, 200 Dunkeld Road, Perth, Perthshire
    Corporate (8 parents)
    Officer
    2010-12-17 ~ 2014-07-10
    IIF 38 - director → ME
  • 2
    ELECTRICITY ASSOCIATION TECHNOLOGY LIMITED - 1993-05-04
    NEATRANDOM LIMITED - 1991-05-07
    Capenhurst Technology Park, Capenhurst, Chester, Cheshire
    Corporate (3 parents, 1 offspring)
    Officer
    2010-04-01 ~ 2015-06-11
    IIF 48 - director → ME
  • 3
    4 More London Riverside, London, England
    Corporate (11 parents)
    Officer
    2007-06-01 ~ 2014-12-12
    IIF 49 - director → ME
  • 4
    SSE CONTRACTING LIMITED - 2021-10-27
    SOUTHERN ELECTRIC CONTRACTING LIMITED - 2011-09-30
    SOUTHERN ELECTRIC CONTRACTORS LIMITED - 1991-11-28
    SPECTEMP LIMITED - 1988-12-22
    Second Floor Eagle Court 2, Hatchford Way, Birmingham, England
    Corporate (6 parents, 5 offsprings)
    Equity (Company account)
    3,600,000 GBP2024-03-31
    Officer
    2010-12-17 ~ 2014-04-16
    IIF 45 - director → ME
  • 5
    CHARGEPOINT SOLUTIONS LIMITED - 2018-02-13
    CHARGE IT SOLUTIONS LIMITED - 2017-11-23
    CHARGE IT SOLUTIONS LIMITED LIMITED - 2017-11-17
    Suite 60 4-5 Lochside Way, Edinburgh Park, Edinburgh, United Kingdom
    Corporate (7 parents)
    Profit/Loss (Company account)
    -4,003,338 GBP2022-12-01 ~ 2023-11-30
    Officer
    2019-02-07 ~ 2019-12-03
    IIF 15 - director → ME
  • 6
    TIGBUS LIMITED - 2005-07-06
    C/o Begbies Traynor, 340 Deansgate, Manchester
    Dissolved corporate (6 parents)
    Profit/Loss (Company account)
    -89,000 GBP2020-01-01 ~ 2020-12-31
    Officer
    2008-04-03 ~ 2011-12-21
    IIF 32 - director → ME
  • 7
    SIMEC GHH LIMITED - 2019-07-23
    GREEN HIGHLAND HYDRO LIMITED - 2018-07-17
    Cef Building Inveralmond Road, Inveralmond Industrial Estate, Perth
    Corporate (3 parents, 14 offsprings)
    Officer
    2016-07-22 ~ 2017-05-19
    IIF 13 - director → ME
  • 8
    SIMEC GHR LTD - 2021-12-13
    SIMEC GREEN HIGHLAND RENEWABLES LTD - 2018-07-17
    GREEN HIGHLAND RENEWABLES LTD - 2018-04-24
    GREEN HIGHLANDER RENEWABLES LIMITED - 2007-03-23
    PERTHSHIRE RENEWABLES LIMITED - 2007-03-01
    1st Floor Cef Building Inveralmond Road, Inveralmond Industrial Estate, Perth, Scotland
    Corporate (4 parents, 10 offsprings)
    Officer
    2015-08-04 ~ 2017-05-19
    IIF 14 - director → ME
  • 9
    SSE PIPELINES LIMITED - 2014-09-01
    SOUTHERN ELECTRIC PIPELINES LIMITED - 1999-12-24
    SOUTHERN ENERGY MANAGEMENT SERVICES LIMITED - 1997-05-13
    200 Brook Drive, Green Park, Reading, England
    Corporate (7 parents, 1 offspring)
    Officer
    2010-12-17 ~ 2014-09-01
    IIF 47 - director → ME
    2005-10-11 ~ 2006-02-27
    IIF 30 - director → ME
  • 10
    C/o Alter Domus (uk) Limited 10th Floor, 30 St Mary Axe, London, United Kingdom
    Corporate (5 parents)
    Officer
    2021-06-22 ~ 2024-12-20
    IIF 11 - director → ME
  • 11
    C/o Alter Domus (uk) Limited 10th Floor, 30 St Mary Axe, London, United Kingdom
    Corporate (4 parents, 1 offspring)
    Officer
    2021-06-21 ~ 2024-12-20
    IIF 10 - director → ME
  • 12
    SSE TELECOMMUNICATIONS LIMITED - 2021-03-30
    DUNWILCO (844) LIMITED - 2001-01-08
    Inveralmond House, 200 Dunkeld Road, Perth
    Corporate (9 parents, 4 offsprings)
    Officer
    2010-12-17 ~ 2014-07-10
    IIF 35 - director → ME
  • 13
    NEOS NETWORKS LIMITED - 2021-03-30
    NEOSCORP LIMITED - 2004-01-27
    INTER DIGITAL NETWORKS LIMITED - 2001-01-31
    No.1 Forbury Place, 43 Forbury Road, Reading, United Kingdom
    Corporate (8 parents)
    Officer
    2010-12-17 ~ 2014-07-10
    IIF 36 - director → ME
  • 14
    SIMEC GHR ROROYERE LIMITED - 2019-07-22
    SIMEC GREEN HIGHLAND RENEWABLES ROROYERE LIMITED - 2018-07-17
    GREEN HIGHLAND RENEWABLES (ROROYERE) LIMITED - 2018-07-17
    Inveralmond Road Inveralmond Road, Inveralmond Industrial Estate, Perth, Scotland
    Corporate (3 parents)
    Officer
    2015-09-04 ~ 2017-05-19
    IIF 21 - director → ME
  • 15
    DUNWILCO (863) LIMITED - 2001-03-05
    Inveralmond House, 200 Dunkeld Road, Perth
    Dissolved corporate (2 parents)
    Officer
    2007-11-21 ~ 2014-12-12
    IIF 33 - director → ME
  • 16
    SSE POWER DISTRIBUTION LIMITED - 2011-09-30
    SSE POWER SYSTEMS LIMITED - 2001-03-05
    DUNWILCO (846) LIMITED - 2001-01-08
    Inveralmond House, 200 Dunkeld Road, Perth
    Corporate (7 parents, 2 offsprings)
    Officer
    2007-11-21 ~ 2014-12-12
    IIF 40 - director → ME
  • 17
    SCOTTISH HYDRO-ELECTRIC POWER DISTRIBUTION PLC - 2007-02-02
    SCOTTISH HYDRO-ELECTRIC POWER DISTRIBUTION LIMITED - 2006-08-25
    SSE DISTRIBUTION (NORTH) LIMITED - 2001-03-08
    DUNWILCO (847) LIMITED - 2001-01-08
    Inveralmond House, 200 Dunkeld Road, Perth
    Corporate (10 parents)
    Officer
    2007-11-21 ~ 2014-12-12
    IIF 42 - director → ME
  • 18
    SCOTTISH HYDRO ELECTRIC TRANSMISSION LIMITED - 2012-10-25
    SCOTTISH HYDRO-ELECTRIC TRANSMISSION LIMITED - 2007-02-02
    SSE TRANSMISSION LIMITED - 2001-03-08
    DUNWILCO (848) LIMITED - 2001-01-08
    Inveralmond House, 200 Dunkeld Road, Perth
    Corporate (11 parents, 2 offsprings)
    Officer
    2007-11-21 ~ 2014-12-12
    IIF 44 - director → ME
  • 19
    First Floor, 2 Kingdom Street, Paddington, London, England
    Corporate (10 parents)
    Officer
    2018-03-22 ~ 2021-04-01
    IIF 54 - director → ME
  • 20
    SSE DISTRIBUTION (SOUTH) LIMITED - 2001-03-06
    DUNWILCO (828) LIMITED - 2001-01-10
    No.1 Forbury Place, 43 Forbury Road, Reading, United Kingdom
    Corporate (10 parents)
    Officer
    2007-11-21 ~ 2014-12-12
    IIF 37 - director → ME
  • 21
    Southern House, Yeoman Road, Worthing, West Sussex
    Corporate (12 parents, 4 offsprings)
    Officer
    2021-09-08 ~ 2023-10-31
    IIF 12 - director → ME
  • 22
    SSE CONTRACTING LIMITED - 2002-08-23
    RIGHTMAIN LIMITED - 2002-04-22
    No.1 Forbury Place, 43 Forbury Road, Reading, United Kingdom
    Corporate (5 parents, 3 offsprings)
    Officer
    2005-09-19 ~ 2014-11-24
    IIF 46 - director → ME
  • 23
    SSE ENERGY SERVICES LIMITED - 2010-07-15
    Inveralmond House, 200 Dunkeld Road, Perth, Perthshire
    Corporate (4 parents, 1 offspring)
    Officer
    2010-12-17 ~ 2014-06-03
    IIF 34 - director → ME
  • 24
    SSE OFFSHORE TRANSMISSION LIMITED - 2010-12-13
    55 Vastern Road, Reading, Berkshire
    Dissolved corporate (2 parents)
    Officer
    2009-08-17 ~ 2011-02-18
    IIF 41 - director → ME
  • 25
    No.1 Forbury Place, 43 Forbury Road, Reading, United Kingdom
    Corporate (4 parents, 7 offsprings)
    Officer
    2010-12-17 ~ 2014-11-24
    IIF 39 - director → ME
  • 26
    UTOPIA NEWCO LIMITED - 2013-06-11
    Grangefield House Richardshaw Road, Pudsey, Leeds, West Yorkshire
    Corporate (5 parents, 1 offspring)
    Profit/Loss (Company account)
    -211,290 GBP2023-04-01 ~ 2024-03-31
    Officer
    2015-05-27 ~ 2017-09-20
    IIF 18 - director → ME

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