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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

Dr Mark Tremaine Hellyar

    Related profiles found in government register
  • Dr Mark Tremaine Hellyar
    British born in April 1963

    Resident in England

    Registered addresses and corresponding companies
    • Hawksfield, St. Breock, Wadebridge, PL27 7LR, England

      IIF 1
  • Dr Mark Tremaine Hellyar
    British born in April 1963

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • The Hangar, Aerohub Business Park, St Mawgan, Newquay, Cornwall, TR8 4RX, United Kingdom

      IIF 2
  • Mark Tremaine Hellyar
    British born in April 1963

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Cataclew Ltd, Padstow, Padstow, Cornwall, PL27 9DP, United Kingdom

      IIF 3
  • Dr Mark Hellyar
    British born in April 1963

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Harlyn Place, Harlyn Bay, Padstow, PL28 8SQ, United Kingdom

      IIF 4
  • Mr Mark Hellyar
    British born in April 1963

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Harlyn Place, Harlyn Bay, , Padstow, Cornwall, PL28 8SQ, United Kingdom

      IIF 5
  • Hellyar, Mark Tremaine, Dr
    born in April 1963

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Harlyn Estates Llp, Padstow, Padstow, Cornwall, PL27 9DP, United Kingdom

      IIF 6
    • C/o Dl Accounts Ltd Burton House, Trinity Street, St. Austell, PL25 5LS, England

      IIF 7
  • Hellyar, Mark Tremaine, Dr
    British born in April 1963

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Cataclew Ltd, Padstow, Padstow, Cornwall, PL27 9DP, United Kingdom

      IIF 8
  • Hellyar, Mark Tremaine, Dr
    British company director born in April 1963

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • On The Sea Wall, Watergate Bay, Newquay, TR8 4AA, England

      IIF 9
    • Harlyn Place, Harlyn Bay, Padstow, PL28 8SQ, England

      IIF 10
    • Hawksfield, St. Breock, Wadebridge, PL27 7LR, England

      IIF 11
  • Hellyar, Mark Tremaine, Dr
    British engineer born in April 1963

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Coquarnel, Nr Lewannick, Launceston, PL15 7PW

      IIF 12
  • Hellyar, Mark, Dr
    born in April 1963

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Harlyn Place, Harlyn Bay, Padstow, PL28 8SQ, United Kingdom

      IIF 13
child relation
Offspring entities and appointments
Active 5
  • 1
    C/o Dl Accounts Ltd Burton House, Trinity Street, St. Austell, Cornwall
    Active Corporate (1 parent)
    Equity (Company account)
    13,431 GBP2025-03-31
    Officer
    2021-03-09 ~ now
    IIF 8 - Director → ME
    Person with significant control
    2021-03-09 ~ now
    IIF 3 - Ownership of shares – 75% or moreOE
  • 2
    45 Lemon Street, Truro, Cornwall
    Active Corporate (3 parents)
    Officer
    2023-04-12 ~ now
    IIF 6 - LLP Designated Member → ME
    Person with significant control
    2023-04-12 ~ now
    IIF 2 - Right to surplus assets - More than 25% but not more than 50%OE
    IIF 2 - Ownership of voting rights - More than 25% but not more than 50%OE
  • 3
    Harlyn Place, Harlyn Bay, Padstow, United Kingdom
    Dissolved Corporate (2 parents)
    Net Assets/Liabilities (Company account)
    -76 GBP2020-05-31
    Officer
    2017-05-20 ~ dissolved
    IIF 13 - LLP Designated Member → ME
    Person with significant control
    2017-05-20 ~ dissolved
    IIF 4 - Right to surplus assets - More than 25% but not more than 50%OE
    IIF 4 - Ownership of voting rights - More than 25% but not more than 50%OE
  • 4
    Hawksfield, St. Breock, Wadebridge, England
    Dissolved Corporate (1 parent)
    Officer
    2021-04-08 ~ dissolved
    IIF 11 - Director → ME
    Person with significant control
    2021-04-08 ~ dissolved
    IIF 1 - Right to appoint or remove directorsOE
    IIF 1 - Ownership of voting rights - 75% or moreOE
    IIF 1 - Ownership of shares – 75% or moreOE
  • 5
    C/o Dl Accounts Ltd Burton House, Trinity Street, St. Austell, England
    Active Corporate (2 parents)
    Net Assets/Liabilities (Company account)
    4,759 GBP2024-12-31
    Officer
    2006-11-09 ~ now
    IIF 7 - LLP Designated Member → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 5 - Right to appoint or remove membersOE
Ceased 2
  • 1
    C/o Begbies Traynor, Winslade House Winslade Park Avenue, Manor Drive, Exeter, Devon
    Dissolved Corporate (1 parent)
    Equity (Company account)
    -78,454 GBP2023-03-31
    Officer
    2022-10-01 ~ 2023-04-01
    IIF 10 - Director → ME
    2021-04-19 ~ 2022-09-12
    IIF 9 - Director → ME
  • 2
    St.stephens Hill, Launceston, Cornwall
    Active Corporate (11 parents)
    Officer
    2004-02-09 ~ 2010-03-22
    IIF 12 - Director → ME

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