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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

Mr Mar Lyndon Jefferies

    Related profiles found in government register
  • Mr Mar Lyndon Jefferies
    British born in September 1970

    Resident in Guernsey

    Registered addresses and corresponding companies

    • The Stables, Radford, Chipping Norton, Oxfordshire, OX7 4EB, United Kingdom

      IIF 1
  • Mr Mark Lyndon Jefferies
    British born in September 1970

    Resident in Guernsey

    Registered addresses and corresponding companies

    • St Peter's House, Les Brehauts, St. Pierre Du Bois, Guernsey, GY7 9RT, Guernsey

      IIF 2 IIF 3

    • St. Peter's House, Rue Des Brehauts, St. Pierre Du Bois, Guernsey, GY7 9RT, United Kingdom

      IIF 4

    • St Peter's House, Rue Des Brehauts, St Pierre Du Bois, GY7 9RT, Guernsey

      IIF 5 IIF 6 IIF 7

    • St. Peter's House, Rue Des Brehauts, St. Pierre Du Bois, Guernsey, GY7 9RT, United Kingdom

      IIF 10
  • Mark Lyndon Jeffries
    British born in September 1970

    Resident in Guernsey

    Registered addresses and corresponding companies
  • Mr Mark Jefferies
    British born in September 1970

    Resident in Guernsey

    Registered addresses and corresponding companies

    • 2nd Floor, Lefebvre Place, Lefebvre Street, St Peter Port, GY1 2JP, Guernsey

      IIF 15
  • Mt Mark Lyndon Jefferies
    British born in September 1970

    Resident in Channel Islands

    Registered addresses and corresponding companies

    • 9, Worton Park, Cassington, Oxfordshire, OX29 4SX

      IIF 16

    • 9, Worton Park, Cassington, Oxfordshire, OX29 4SX, England

      IIF 17 IIF 18 IIF 19
  • Mark Jefferies
    British born in September 1970

    Registered addresses and corresponding companies

    • 2nd Floor, Lefebvre Place, Lefebvre Street, St Peter Port, GY1 2JP, Guernsey

      IIF 20 IIF 21

    • St Peter's House, Rue Des Brehauts, St Pierre Du Bois, GY7 9RT, Guernsey

      IIF 22
  • Mark Jeffries
    British born in September 1970

    Registered addresses and corresponding companies

    • 2nd Floor, Lefebvre Place, Lefebvre Street, St Peter Port, GY1 2JP, Guernsey

      IIF 23
  • Jefferies, Mark Lyndon
    British born in September 1970

    Resident in Guernsey

    Registered addresses and corresponding companies
  • Jefferies, Mark Lyndon
    British administration manager born in September 1970

    Resident in Guernsey

    Registered addresses and corresponding companies

    • Unit 64 Barwell Business Park, Leatherhead Road, Chessington, Surrey, KT9 2NY

      IIF 35

    • Willow House, Oldfield Road, Heswall, Wirral, CH60 0FW

      IIF 36
  • Jefferies, Mark Lyndon
    British company administration born in September 1970

    Resident in Guernsey

    Registered addresses and corresponding companies

    • 43 Mount Row, St Peter Port, Guernsey, GY1 1NU

      IIF 37
  • Jefferies, Mark Lyndon
    British director born in September 1970

    Resident in Guernsey

    Registered addresses and corresponding companies

    • St Peter's House, Rue Des Brehauts, St Pierre Du Bois, GY7 8RT, Guernsey

      IIF 38

    • 2nd Floor, Lefebvre Place, Lefebvre Street, St. Peter Port, GY1 2JP, Guernsey

      IIF 39
child relation
Offspring entities and appointments
Active 21
  • 1
    Stokenchurch House Oxford Road, Stokenchurch, High Wycombe, England
    Active Corporate (4 parents, 3 offsprings)
    Person with significant control
    2018-08-10 ~ now
    IIF 3 - Has significant influence or control over the trustees of a trust → OE
  • 2
    8 St Thomas Street, London, England
    Dissolved Corporate (4 parents)
    Person with significant control
    2018-06-15 ~ dissolved
    IIF 10 - Has significant influence or control → OE
  • 3
    9 Worton Park, Cassington, Witney, Oxfordshire, United Kingdom
    Active Corporate (3 parents, 2 offsprings)
    Equity (Company account)
    2,341,863 GBP2024-02-29
    Person with significant control
    2019-08-14 ~ now
    IIF 12 - Has significant influence or control over the trustees of a trust → OE
  • 4
    BEECHWOOD AVENUE INVESTMENTS LIMITED - 2019-06-17
    9 Worton Park, Cassington, Witney, Oxfordshire, United Kingdom
    Active Corporate (4 parents)
    Equity (Company account)
    1,850,136 GBP2024-02-29
    Person with significant control
    2019-08-14 ~ now
    IIF 14 - Has significant influence or control over the trustees of a trust → OE
  • 5
    9 Worton Park, Cassington, Witney, Oxfordshire, United Kingdom
    Active Corporate (4 parents)
    Equity (Company account)
    -10,622 GBP2024-02-29
    Person with significant control
    2019-08-05 ~ now
    IIF 13 - Ownership of voting rights - More than 25% but not more than 50% → OE
    IIF 13 - Ownership of shares – More than 25% but not more than 50% → OE
  • 6
    St Peter's House, Rue Des Brehauts, St Pierre Du Bois, Guernsey
    Converted / Closed Corporate (5 parents)
    Officer
    2021-09-23 ~ now
    IIF 38 - Director → ME
  • 7
    St Peter's House, Rue Des Brehauts, St Pierre Du Bois, Guernsey
    Active Corporate (3 parents)
    Officer
    2020-07-02 ~ now
    IIF 31 - Director → ME
  • 8
    32 Tavistock Street, Covent Garden, London, England
    Active Corporate (5 parents)
    Person with significant control
    2024-06-28 ~ now
    IIF 9 - Has significant influence or control → OE
  • 9
    St Peter's House, Rue Des Brehauts, St Pierre Du Bois, Guernsey
    Active Corporate (3 parents)
    Officer
    2020-07-02 ~ now
    IIF 34 - Director → ME
  • 10
    St Peter's House, Rue Des Brehauts, St. Pierre Du Bois, Guernsey
    Registered Corporate (2 parents)
    Officer
    Responsible for director of the company.
    2023-06-01 ~ now
    IIF 39 - Managing Officer → ME
  • 11
    HI-LINE HELICOPTERS LIMITED - 2003-08-08
    ZELCREST LIMITED - 1997-02-17
    Kingston Manor Kingston Gorse, East Preston, Littlehampton, West Sussex, England
    Active Corporate (5 parents)
    Equity (Company account)
    15,819,417 GBP2023-12-31
    Officer
    2024-12-17 ~ now
    IIF 29 - Director → ME
  • 12
    St Peter's House, Rue Des Brehauts, St Pierre Du Bois, Guernsey
    Active Corporate (3 parents)
    Officer
    2020-07-02 ~ now
    IIF 33 - Director → ME
  • 13
    9 Worton Park, Cassington, Witney, Oxfordshire, United Kingdom
    Dissolved Corporate (5 parents)
    Current Assets (Company account)
    215,721 GBP2023-02-28
    Person with significant control
    2018-02-06 ~ dissolved
    IIF 4 - Has significant influence or control → OE
  • 14
    St Peter's House, Rue Des Brehauts, St Pierre Du Bois, Guernsey
    Registered Corporate (2 parents, 5 offsprings)
    Beneficial owner
    2015-03-03 ~ now
    IIF 22 - Ownership of shares - More than 25% → OE
    IIF 22 - Ownership of voting rights - More than 25% → OE
  • 15
    St Peter's House, Rue Des Brehauts, St Pierre Du Bois, Guernsey
    Active Corporate (3 parents)
    Officer
    2020-07-02 ~ now
    IIF 32 - Director → ME
  • 16
    9 Worton Park, Cassington, Witney, Oxfordshire, United Kingdom
    Active Corporate (3 parents)
    Equity (Company account)
    1,454,930 GBP2024-02-29
    Person with significant control
    2017-04-14 ~ now
    IIF 11 - Has significant influence or control over the trustees of a trust → OE
  • 17
    St Peter's House, Rue Des Brehauts, St Pierre Du Bois, Guernsey
    Active Corporate (3 parents)
    Officer
    2020-07-02 ~ now
    IIF 30 - Director → ME
  • 18
    9 Worton Park, Cassington, Witney, Oxfordshire, United Kingdom
    Active Corporate (4 parents)
    Equity (Company account)
    -1,049 GBP2024-02-29
    Person with significant control
    2021-01-28 ~ now
    IIF 6 - Has significant influence or control → OE
  • 19
    9 Worton Park, Cassington, Witney, Oxfordshire, United Kingdom
    Active Corporate (4 parents)
    Equity (Company account)
    -1,049 GBP2024-02-29
    Person with significant control
    2021-01-25 ~ now
    IIF 7 - Has significant influence or control → OE
  • 20
    Magdalen Centre, Oxford Science Park, Oxford, Oxfordshire
    Active Corporate (4 parents)
    Equity (Company account)
    58,600,359 GBP2024-12-31
    Person with significant control
    2016-04-06 ~ now
    IIF 15 - Has significant influence or control over the trustees of a trust → OE
  • 21
    8 St Thomas Street, London, England
    Active Corporate (4 parents)
    Equity (Company account)
    -2,048 GBP2024-02-29
    Person with significant control
    2021-01-25 ~ now
    IIF 8 - Has significant influence or control → OE
Ceased 14
  • 1
    Mandar House 3rd Floor Po Box 2196, Johnson's Ghut, Tortola, Virgin Islands, British
    Registered Corporate (1 parent)
    Beneficial owner
    2021-05-17 ~ 2025-04-11
    IIF 20 - Right to appoint or remove directors as the trustees of a trust → OE
    IIF 20 - Has significant influence over the entity as the trustees of a trust → OE
    IIF 20 - Holds voting rights - More than 25% as trustees of a trust → OE
    IIF 20 - Ownership of shares - More than 25% as trustees of a trust → OE
  • 2
    Knightway House, Park Street, Bagshot, England
    Active Corporate (4 parents, 1 offspring)
    Officer
    2009-10-13 ~ 2010-03-26
    IIF 36 - Director → ME
  • 3
    Prospect House, Rouen Road, Norwich
    Liquidation Corporate (1 parent)
    Officer
    2009-10-13 ~ 2010-01-01
    IIF 28 - Director → ME
  • 4
    SMD DIRECTORS LIMITED - 2020-01-13
    Willow House, 33 Oldfield Road, Heswall, Wirral, United Kingdom
    Dissolved Corporate (3 parents, 21 offsprings)
    Equity (Company account)
    2 GBP2023-05-31
    Officer
    2006-10-20 ~ 2010-09-30
    IIF 37 - Director → ME
  • 5
    9 Worton Park, Cassington, Oxfordshire
    Active Corporate (2 parents)
    Equity (Company account)
    1,805,659 GBP2024-03-31
    Officer
    2015-11-01 ~ 2025-12-01
    IIF 27 - Director → ME
    Person with significant control
    2016-04-06 ~ 2025-12-01
    IIF 16 - Has significant influence or control → OE
  • 6
    St Peter's House, Rue Des Brehauts, St Pierre Du Bois, Guernsey
    Registered Corporate (1 parent)
    Beneficial owner
    2015-06-15 ~ 2025-04-11
    IIF 21 - Ownership of shares - More than 25% as trustees of a trust → OE
    IIF 21 - Holds voting rights - More than 25% as trustees of a trust → OE
    IIF 21 - Right to appoint or remove directors as the trustees of a trust → OE
    IIF 21 - Has significant influence over the entity as the trustees of a trust → OE
  • 7
    St Peter's House, Rue Des Brehauts, St Pierre Du Bois, Guernsey
    Registered Corporate (1 parent)
    Beneficial owner
    2017-03-31 ~ 2025-04-11
    IIF 23 - Has significant influence over the entity as the trustees of a trust → OE
    IIF 23 - Ownership of shares - More than 25% as trustees of a trust → OE
    IIF 23 - Holds voting rights - More than 25% as trustees of a trust → OE
    IIF 23 - Right to appoint or remove directors as the trustees of a trust → OE
  • 8
    HI-LINE HELICOPTERS LIMITED - 2003-08-08
    ZELCREST LIMITED - 1997-02-17
    Kingston Manor Kingston Gorse, East Preston, Littlehampton, West Sussex, England
    Active Corporate (5 parents)
    Equity (Company account)
    15,819,417 GBP2023-12-31
    Person with significant control
    2023-10-04 ~ 2025-04-11
    IIF 2 - Has significant influence or control over the trustees of a trust → OE
  • 9
    ANTLER MIDLANDS INVESTMENTS LIMITED - 2009-06-17
    FB 59 LIMITED - 2008-06-26
    Portland House, Park Street, Bagshot, Surrey
    Dissolved Corporate (1 parent)
    Equity (Company account)
    -46,180 GBP2019-06-30
    Officer
    2009-10-13 ~ 2009-12-15
    IIF 35 - Director → ME
  • 10
    AGRIVERT HOLDINGS LIMITED - 2019-03-29
    The Stables, Radford, Chipping Norton, Oxfordshire, United Kingdom
    Active Corporate (6 parents, 1 offspring)
    Person with significant control
    2016-04-06 ~ 2018-11-30
    IIF 1 - Has significant influence or control over the trustees of a trust → OE
  • 11
    80 Fenchurch Street, London, England
    Active Corporate (4 parents)
    Equity (Company account)
    -649 GBP2023-02-28
    Person with significant control
    2021-01-27 ~ 2024-09-04
    IIF 5 - Has significant influence or control → OE
  • 12
    SPEED 2218 LIMITED - 1991-12-30
    9 Worton Park, Cassington, Oxfordshire, England
    Active Corporate (2 parents)
    Equity (Company account)
    3,223,422 GBP2024-03-25
    Officer
    2015-11-01 ~ 2025-12-01
    IIF 25 - Director → ME
    Person with significant control
    2016-04-06 ~ 2025-12-01
    IIF 19 - Has significant influence or control → OE
  • 13
    SPRINTSWIFT LIMITED - 1985-07-17
    9 Worton Park, Cassington, Oxfordshire, England
    Active Corporate (2 parents)
    Equity (Company account)
    11,312,420 GBP2024-03-25
    Officer
    2015-11-01 ~ 2025-12-01
    IIF 24 - Director → ME
    Person with significant control
    2016-04-06 ~ 2025-12-01
    IIF 18 - Has significant influence or control → OE
  • 14
    CAPESTRAND LIMITED - 1998-12-22
    9 Worton Park, Cassington, Oxfordshire, England
    Active Corporate (2 parents)
    Equity (Company account)
    472,363 GBP2024-03-31
    Officer
    2015-11-01 ~ 2025-12-01
    IIF 26 - Director → ME
    Person with significant control
    2016-04-06 ~ 2025-12-01
    IIF 17 - Has significant influence or control → OE

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