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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

Crilley, Mark

    Related profiles found in government register
  • Crilley, Mark
    British born in December 1965

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Unit 3, Mallow Park, Welwyn Garden City, Hertfordshire, AL7 1GX, United Kingdom

      IIF 1 IIF 2
  • Mr Mark Crilley
    British born in December 1965

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Unit 3, Mallow Park, Welwyn Garden City, Hertfordshire, AL7 1GX, United Kingdom

      IIF 3 IIF 4 IIF 5
  • Crilley, Mark Stewart
    British born in December 1965

    Resident in England

    Registered addresses and corresponding companies

    • Unit 3, Mallow Park, Welwyn Garden Cirty, Hertfordshire, AL7 1GX, United Kingdom

      IIF 6

    • 3, Mallow Park, Watchmead, Welwyn Garden City, Hertfordshire, AL7 1GX, England

      IIF 7

    • Unit 3, Mallow Park, Welwyn Garden City, Hertfordshire, AL7 1GX, United Kingdom

      IIF 8 IIF 9 IIF 10
  • Crilley, Mark Stewart
    British director born in December 1965

    Resident in England

    Registered addresses and corresponding companies

    • Esca House, 32-34 Palace Crt, Bayswater, London, W2 4HY

      IIF 11

    • Esca House, 34 Palace Court, London, W2 4HY

      IIF 12

    • Esca House, 34 Palace Court, London, W2 4HY, England

      IIF 13
  • Crilley, Mark Stewart
    British electrical contractor born in December 1965

    Resident in England

    Registered addresses and corresponding companies

    • 2 The Chase, Furlong Way, Great Amwell, Ware, Hertfordshire, SG12 9TN

      IIF 14

    • 3, Mallow Park, Watchmead, Welwyn Garden City, Hertfordshire, AL7 1GX, United Kingdom

      IIF 15
  • Crilley, Mark Stewart
    British director

    Registered addresses and corresponding companies

    • Unit 3, Mallow Park, Welwyn Garden City, Hertfordshire, AL7 1GX, United Kingdom

      IIF 16
  • Crilley, Mark Stewart
    British electrical contractor

    Registered addresses and corresponding companies

    • 3, Mallow Park, Watchmead, Welwyn Garden City, Hertfordshire, AL7 1GX

      IIF 17
  • Mr Mark Stewart Crilley
    British born in December 1965

    Resident in England

    Registered addresses and corresponding companies

    • Building 1, St Cross Chambers, Upper Marsh Lane, Hoddesdon, Hertfordshire, EN11 8LQ, United Kingdom

      IIF 18

    • 3 Mallow Park, Watchmead, Welwyn Garden City, Hertfordshire, AL7 1GX, England

      IIF 19

    • Unit 3, Mallow Park, Welwyn Garden City, Herts, AL7 1GX, England

      IIF 20
child relation
Offspring entities and appointments
Active 8
  • 1
    Building 1 St Cross Chambers, Upper Marsh Lane, Hoddesdon, Hertfordshire, United Kingdom
    Active Corporate (2 parents)
    Profit/Loss (Company account)
    60,526 GBP2023-07-01 ~ 2024-06-30
    Officer
    2007-06-07 ~ now
    IIF 9 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 18 - Right to appoint or remove directors → OE
    IIF 18 - Ownership of voting rights - 75% or more → OE
    IIF 18 - Ownership of shares – 75% or more → OE
    IIF 18 - Has significant influence or control → OE
  • 2
    Unit 3 Mallow Park, Welwyn Garden City, Hertfordshire, United Kingdom
    Active Corporate (4 parents)
    Profit/Loss (Company account)
    -8,782 GBP2023-09-06 ~ 2024-09-30
    Officer
    2023-09-06 ~ now
    IIF 1 - Director → ME
    Person with significant control
    2024-05-13 ~ now
    IIF 3 - Ownership of shares – 75% or more → OE
    IIF 3 - Ownership of voting rights - 75% or more → OE
    IIF 3 - Right to appoint or remove directors → OE
  • 3
    MARCOE ELECTRICAL LIMITED - 2022-03-16
    MARCOE ENGINEERING SERVICES LIMITED - 2005-01-06
    MARCOE ELECTRICAL SERVICES LIMITED - 2003-11-07
    Unit 3 Mallow Park, Welwyn Garden City, England
    Active Corporate (6 parents)
    Equity (Company account)
    3,358,372 GBP2024-09-30
    Officer
    1999-04-19 ~ now
    IIF 6 - Director → ME
  • 4
    MARCOE ELECTRICAL LIMITED - 2005-01-06
    Unit 3 Mallow Park, Welwyn Garden City, Herts, England
    Active Corporate (5 parents, 4 offsprings)
    Profit/Loss (Company account)
    1,707 GBP2023-10-01 ~ 2024-09-30
    Officer
    1996-11-18 ~ now
    IIF 7 - Director → ME
  • 5
    Unit 3 Mallow Park, Welwyn Garden City, Hertfordshire, United Kingdom
    Active Corporate (4 parents, 1 offspring)
    Officer
    2025-11-18 ~ now
    IIF 10 - Director → ME
  • 6
    55 High Street, Hoddesdon, Hertfordshire
    Dissolved Corporate (1 parent)
    Equity (Company account)
    100 GBP2018-03-31
    Officer
    2000-07-06 ~ dissolved
    IIF 15 - Director → ME
    2000-07-06 ~ dissolved
    IIF 17 - Secretary → ME
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 19 - Ownership of shares – 75% or more → OE
  • 7
    Unit 3 Mallow Park, Welwyn Garden City, Hertfordshire, United Kingdom
    Active Corporate (4 parents)
    Profit/Loss (Company account)
    -10,235 GBP2024-05-10 ~ 2024-09-30
    Officer
    2024-05-10 ~ now
    IIF 2 - Director → ME
  • 8
    Unit 3 Mallow Park, Welwyn Garden City, England
    Active Corporate (2 parents)
    Profit/Loss (Company account)
    1,508,267 GBP2022-10-01 ~ 2023-09-30
    Officer
    2007-06-07 ~ now
    IIF 8 - Director → ME
Ceased 8
  • 1
    Building 1 St Cross Chambers, Upper Marsh Lane, Hoddesdon, Herts, United Kingdom
    Active Corporate (3 parents)
    Profit/Loss (Company account)
    40,536 GBP2023-12-01 ~ 2024-11-30
    Officer
    1999-11-22 ~ 2008-07-08
    IIF 14 - Director → ME
  • 2
    ELECTRICAL CONTRACTORS' INSURANCE COMPANY LIMITED - 2015-03-02
    20 Fenchurch Street, London, United Kingdom
    Dissolved Corporate (4 parents)
    Officer
    2012-11-20 ~ 2014-10-28
    IIF 11 - Director → ME
  • 3
    EC INSURANCE MANAGEMENT HOLDINGS LIMITED - 2008-10-16
    Eca Court, 24 - 26 South Park, Sevenoaks, Kent
    Active Corporate (4 parents, 1 offspring)
    Officer
    2012-11-20 ~ 2014-10-28
    IIF 13 - Director → ME
  • 4
    ELECTRICAL CONTRACTORS INSURANCE SERVICES LIMITED - 2015-03-02
    ELECTRICAL CONTRACTORS' INSURANCE BROKERS LIMITED - 1982-02-02
    SEALET LIMITED - 1981-12-31
    Eca Court, 24-26 South Park, Sevenoaks, Kent
    Active Corporate (5 parents, 1 offspring)
    Officer
    2012-11-20 ~ 2014-10-28
    IIF 12 - Director → ME
  • 5
    Unit 3 Mallow Park, Welwyn Garden City, Hertfordshire, United Kingdom
    Active Corporate (4 parents)
    Profit/Loss (Company account)
    -8,782 GBP2023-09-06 ~ 2024-09-30
    Person with significant control
    2023-09-06 ~ 2024-05-13
    IIF 4 - Ownership of shares – 75% or more → OE
    IIF 4 - Ownership of voting rights - 75% or more → OE
    IIF 4 - Right to appoint or remove directors → OE
  • 6
    MARCOE ELECTRICAL LIMITED - 2022-03-16
    MARCOE ENGINEERING SERVICES LIMITED - 2005-01-06
    MARCOE ELECTRICAL SERVICES LIMITED - 2003-11-07
    Unit 3 Mallow Park, Welwyn Garden City, England
    Active Corporate (6 parents)
    Equity (Company account)
    3,358,372 GBP2024-09-30
    Officer
    1999-04-19 ~ 2013-05-28
    IIF 16 - Secretary → ME
  • 7
    MARCOE ELECTRICAL LIMITED - 2005-01-06
    Unit 3 Mallow Park, Welwyn Garden City, Herts, England
    Active Corporate (5 parents, 4 offsprings)
    Profit/Loss (Company account)
    1,707 GBP2023-10-01 ~ 2024-09-30
    Person with significant control
    2016-04-06 ~ 2025-11-18
    IIF 20 - Right to appoint or remove directors → OE
    IIF 20 - Ownership of shares – More than 50% but less than 75% → OE
    IIF 20 - Ownership of voting rights - More than 50% but less than 75% → OE
  • 8
    Unit 3 Mallow Park, Welwyn Garden City, Hertfordshire, United Kingdom
    Active Corporate (4 parents)
    Profit/Loss (Company account)
    -10,235 GBP2024-05-10 ~ 2024-09-30
    Person with significant control
    2024-05-10 ~ 2025-11-04
    IIF 5 - Ownership of shares – 75% or more → OE
    IIF 5 - Right to appoint or remove directors → OE
    IIF 5 - 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.