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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

Mark Victor Birrell

    Related profiles found in government register
  • Mark Victor Birrell
    British born in June 1959

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address 5th Floor, 70, Gracechurch Street, London, EC3V 0LX, United Kingdom

      IIF 1
  • Mr Mark Victor Birrell
    British born in June 1959

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address 5th Floor, 70 Gracechurch Street, London, EC3V 0XL, United Kingdom

      IIF 2
  • Mr Mark Victor Birrell
    British born in June 1959

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 33, Gracechurch Street, London, EC3V 0BT, England

      IIF 3
  • Birell, Mark Victor
    British insurance executive born in June 1959

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address 6th Floor, 25 Fenchurch Avenue, London, EC3M 5AD, United Kingdom

      IIF 4
  • Birrell, Mark
    British managing director born in June 1959

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address 60, Great Tower Street, London, EC3R 5AZ, United Kingdom

      IIF 5
  • Birrell, Mark Victor
    British born in June 1959

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address 5th Floor, 70 Gracechurch Street, London, EC3V 0XL, United Kingdom

      IIF 6
  • Mark Birrell
    British born in June 1959

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 33, Gracechurch Street, London, EC3V 0BT, England

      IIF 7
  • Birrell, Mark
    British director born in June 1959

    Resident in England

    Registered addresses and corresponding companies

    • icon of address Holton House, Spring Lane, Burwash, Etchingham, East Sussex, TN19 7HX, England

      IIF 8
  • Birrell, Mark Victor
    British born in June 1959

    Resident in England

    Registered addresses and corresponding companies
  • Birrell, Mark Victor
    British chairman born in June 1959

    Resident in England

    Registered addresses and corresponding companies

    • icon of address Tower, Point 44, 4th Floor, Suite 415 North Road, Brighton, BN1 1YR, England

      IIF 20
  • Birrell, Mark Victor
    British company director born in June 1959

    Resident in England

    Registered addresses and corresponding companies

    • icon of address Tower, Point 44, 4th Floor, Suite 415 North Road, Brighton, BN1 1YR, England

      IIF 21
  • Birrell, Mark Victor
    British director born in June 1959

    Resident in England

    Registered addresses and corresponding companies

    • icon of address Tower, Point 44, 4th Floor, Suite 415 North Road, Brighton, East Sussex, BN1 1YR, England

      IIF 22
  • Birrell, Mark Victor
    British insurance executive born in June 1959

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 33 Gracechurch Street, London, EC3V 0BT, United Kingdom

      IIF 23
  • Birrell, Mark
    born in June 1959

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 33, Gracechurch Street, London, EC3V 0BT

      IIF 24
  • Birrell, Mark Victor
    born in June 1959

    Resident in England

    Registered addresses and corresponding companies

    • icon of address Chapel Cottage, Totford, Alresford, SO24 9TJ, United Kingdom

      IIF 25

    • icon of address 33, Gracechurch Street, London, EC3V 0BT

      IIF 26
child relation
Offspring entities and appointments
Active 16
  • 1
    icon of address Ground Floor, 60 Great Tower Street, London, United Kingdom
    Active Corporate (3 parents)
    Officer
    icon of calendar 2022-04-12 ~ now
    IIF 16 - Director → ME
  • 2
    icon of address Dentons Uk And Middle East Llp, First Floor 9 Haymarket Square, Edinburgh
    Active Corporate (2 parents)
    Person with significant control
    icon of calendar 2025-02-12 ~ now
    IIF 1 - Right to surplus assets - 75% or more → OE
    IIF 1 - Ownership of voting rights - 75% or more → OE
    IIF 1 - Right to appoint or remove persons → OE
  • 3
    icon of address 5th Floor 70 Gracechurch Street, London, United Kingdom
    Active Corporate (2 parents)
    Officer
    icon of calendar 2025-08-13 ~ now
    IIF 6 - Director → ME
    Person with significant control
    icon of calendar 2025-08-13 ~ now
    IIF 2 - Ownership of shares – 75% or more → OE
    IIF 2 - Right to appoint or remove directors → OE
    IIF 2 - Ownership of voting rights - 75% or more → OE
  • 4
    CASTEL LTDCO 2 LIMITED - 2021-11-11
    icon of address 60 Great Tower Street, London, England
    Active Corporate (3 parents)
    Officer
    icon of calendar 2021-04-12 ~ now
    IIF 18 - Director → ME
  • 5
    icon of address Ground Floor, 60 Great Tower Street, London, England
    Active Corporate (3 parents)
    Officer
    icon of calendar 2022-09-01 ~ now
    IIF 14 - Director → ME
  • 6
    icon of address Parcels Building, 14 Bird Street, London, United Kingdom
    Active Corporate (13 parents)
    Profit/Loss (Company account)
    0 GBP2023-04-06 ~ 2024-04-05
    Officer
    icon of calendar 2006-03-06 ~ now
    IIF 25 - LLP Member → ME
  • 7
    icon of address Holton House Spring Lane, Burwash, Etchingham, East Sussex, England
    Dissolved Corporate (1 parent)
    Officer
    icon of calendar 2013-06-04 ~ dissolved
    IIF 8 - Director → ME
  • 8
    icon of address Ground Floor, 60 Great Tower Street, London, United Kingdom
    Active Corporate (3 parents)
    Officer
    icon of calendar 2022-09-09 ~ now
    IIF 17 - Director → ME
  • 9
    INNOVISK EUROPE GMBH - UK BRANCH - 2025-07-03
    icon of address 8 Hohe Bleichen, Hamburg, 20354, Germany
    Active Corporate (6 parents, 1 offspring)
    Officer
    icon of calendar 2025-03-25 ~ now
    IIF 4 - Director → ME
  • 10
    RYAN SPECIALTY GROUP EUROPE LIMITED - 2022-05-03
    RYAN (JGHL) BID CO LIMITED - 2014-11-26
    icon of address 30 St. Mary Axe, 13th Floor, Directors, London, United Kingdom
    Active Corporate (3 parents, 7 offsprings)
    Officer
    icon of calendar 2024-08-21 ~ now
    IIF 12 - Director → ME
  • 11
    RSG EUROPE SPECIALTY LINES LIMITED - 2016-05-28
    RSG (1) LIMITED - 2015-01-14
    START POINT EXECUTIVE RISKS LIMITED - 2015-01-14
    RYAN SPECIALTY (EUROPE) LIMITED - 2014-12-03
    RSG UNDERWRITING MANAGERS EUROPE LIMITED - 2022-04-27
    icon of address 30 St. Mary Axe, 13th Floor, Directors, London, United Kingdom
    Active Corporate (4 parents, 1 offspring)
    Officer
    icon of calendar 2025-02-23 ~ now
    IIF 13 - Director → ME
  • 12
    CASTEL UNDERWRITING EUROPE B.V. - 2024-09-18
    icon of address 33 Gracechurch Street, London
    Active Corporate (2 parents, 1 offspring)
    Officer
    icon of calendar 2020-12-04 ~ now
    IIF 5 - Director → ME
  • 13
    icon of address 30 St. Mary Axe, 13th Floor, London, United Kingdom
    Active Corporate (3 parents, 2 offsprings)
    Officer
    icon of calendar 2024-08-21 ~ now
    IIF 11 - Director → ME
  • 14
    CASTEL UNDERWRITING AGENCIES LIMITED - 2024-07-24
    CASTEL MANAGEMENT LIMITED - 2013-02-11
    icon of address 60 Great Tower Street, London, England
    Active Corporate (3 parents, 12 offsprings)
    Officer
    icon of calendar 2013-11-01 ~ now
    IIF 10 - Director → ME
  • 15
    CASTEL LTDCO 1 LIMITED - 2022-04-28
    icon of address Ground Floor, 60 Great Tower Street, London, England
    Active Corporate (3 parents)
    Officer
    icon of calendar 2021-04-03 ~ now
    IIF 15 - Director → ME
  • 16
    SEACURUS LIMITED - 2022-08-16
    icon of address Ground Floor, 60 Great Tower Street, London, England
    Active Corporate (3 parents, 1 offspring)
    Officer
    icon of calendar 2022-06-10 ~ now
    IIF 9 - Director → ME
Ceased 7
  • 1
    MANAGING GENERAL AGENTS' ASSOCIATION LIMITED - 2011-08-31
    icon of address One, Minster Court, London, England
    Active Corporate (11 parents)
    Equity (Company account)
    524,475 GBP2024-08-31
    Officer
    icon of calendar 2016-02-24 ~ 2020-01-08
    IIF 19 - Director → ME
  • 2
    CASTEL RISK (NO.1) LIMITED - 2015-02-10
    icon of address 1st Floor 145 Leadenhall Street, London, England
    Active Corporate (5 parents)
    Officer
    icon of calendar 2015-01-06 ~ 2020-09-17
    IIF 23 - Director → ME
  • 3
    CASTEL RISK PARTNERS (NO.1) LLP - 2017-04-08
    icon of address 51 Eastcheap 51 Eastcheap, London, England
    Active Corporate (2 parents)
    Officer
    icon of calendar 2017-01-04 ~ 2017-03-22
    IIF 24 - LLP Designated Member → ME
    Person with significant control
    icon of calendar 2017-01-04 ~ 2017-03-22
    IIF 3 - Ownership of voting rights - More than 25% but not more than 50% → OE
    IIF 3 - Right to surplus assets - More than 25% but not more than 50% → OE
  • 4
    WILDNET NEW MEDIA GROUP LIMITED - 2002-07-05
    JETCHOICE LIMITED - 1997-11-24
    INTERACTIVE PROGRAM MANAGERS LIMITED - 1998-07-30
    BENFIELD GREIG INTERACTIVE LIMITED - 2000-05-15
    icon of address 44-46 Whitemaund, Old Steine, Brighton, East Sussex, England
    Dissolved Corporate (2 parents)
    Officer
    icon of calendar 1998-08-01 ~ 2014-03-31
    IIF 21 - Director → ME
  • 5
    BDBCO NO.630 LIMITED - 2004-04-21
    icon of address Tower Point, 44 4th Floor, Suite 417, North Road, Brighton, East Sussex
    Dissolved Corporate (2 parents)
    Officer
    icon of calendar 2004-02-23 ~ 2013-12-11
    IIF 22 - Director → ME
  • 6
    NEW WILDTEAM LIMITED - 2009-10-21
    icon of address Whitemaund, 44-46 Old Steine, Brighton, East Sussex, England
    Dissolved Corporate (1 parent)
    Officer
    icon of calendar 2009-09-29 ~ 2014-03-31
    IIF 20 - Director → ME
  • 7
    CASTEL RISK PARTNERS (NO.2) LLP - 2017-04-08
    icon of address 60 Great Tower Street, London, England
    Active Corporate (3 parents)
    Officer
    icon of calendar 2017-03-07 ~ 2017-03-22
    IIF 26 - LLP Designated Member → ME
    Person with significant control
    icon of calendar 2017-03-07 ~ 2017-03-22
    IIF 7 - Ownership of voting rights - More than 25% but not more than 50% → OE
    IIF 7 - Right to surplus assets - More than 25% but not more than 50% → OE

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.