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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

Swain, Martin James

    Related profiles found in government register
  • Swain, Martin James
    British consultant

    Registered addresses and corresponding companies
    • icon of address Arun House, Hurst Road, Horsham, West Sussex, RH12 2DN, England

      IIF 1
  • Swain, Martin James
    British company director born in December 1975

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 5th-6th Floor, Uk House 164, 182 Oxford St, London, W1D 1NN, England

      IIF 2 IIF 3
    • icon of address 156, Mulgrave Road, Cheam, Sutton, Surrey, SM2 6JS, England

      IIF 4
  • Swain, Martin James
    British consultant born in December 1975

    Resident in England

    Registered addresses and corresponding companies
    • icon of address Arun House, Hurst Road, Horsham, West Sussex, RH12 2DN, England

      IIF 5
  • Swain, Martin James
    British director born in December 1975

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 3, More London Riverside, 4th Floor, London, SE1 2AQ, England

      IIF 6 IIF 7
    • icon of address 4th Floor, 3 More London Riverside, London, SE1 2AQ, United Kingdom

      IIF 8 IIF 9
  • Swain, Martin James
    British investment director born in December 1975

    Resident in England

    Registered addresses and corresponding companies
    • icon of address Octopus Energy Generation, 5th Floor, United Kingdom House, 164-182 Oxford Street, London, W1D 1NN, United Kingdom

      IIF 10
    • icon of address Uk House, 5th Floor, 164-182 Oxford Street, London, W1D 1NN, United Kingdom

      IIF 11 IIF 12 IIF 13
  • Mr Martin James Swain
    British born in December 1975

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 156 Mulgrave Road, Cheam, Sutton, Surrey, SM2 6JS, England

      IIF 16
child relation
Offspring entities and appointments
Active 14
  • 1
    icon of address 8 White Oak Square, London Road, Swanley, Kent, United Kingdom
    Active Corporate (9 parents, 1 offspring)
    Officer
    icon of calendar 2025-06-11 ~ now
    IIF 10 - Director → ME
  • 2
    icon of address 3 More London Riverside, 4th Floor, London, England
    Active Corporate (10 parents, 1 offspring)
    Officer
    icon of calendar 2025-06-12 ~ now
    IIF 7 - Director → ME
  • 3
    icon of address 3 More London Riverside, 4th Floor, London, England
    Active Corporate (10 parents, 1 offspring)
    Officer
    icon of calendar 2025-06-12 ~ now
    IIF 6 - Director → ME
  • 4
    icon of address 4th Floor 3 More London Riverside, London, United Kingdom
    Active Corporate (7 parents, 1 offspring)
    Officer
    icon of calendar 2025-07-01 ~ now
    IIF 9 - Director → ME
  • 5
    icon of address 4th Floor 3 More London Riverside, London, United Kingdom
    Active Corporate (6 parents)
    Officer
    icon of calendar 2025-07-01 ~ now
    IIF 8 - Director → ME
  • 6
    icon of address 156 Mulgrave Road, Cheam, Sutton, Surrey
    Dissolved Corporate (1 parent)
    Equity (Company account)
    56,874 GBP2018-04-30
    Officer
    icon of calendar 2012-04-13 ~ dissolved
    IIF 4 - Director → ME
    Person with significant control
    icon of calendar 2016-04-06 ~ dissolved
    IIF 16 - Ownership of voting rights - 75% or moreOE
    IIF 16 - Ownership of shares – 75% or moreOE
    IIF 16 - Right to appoint or remove directorsOE
  • 7
    icon of address Uk House, 5th Floor, 164-182 Oxford Street, London, United Kingdom
    Active Corporate (4 parents, 1 offspring)
    Officer
    icon of calendar 2025-06-24 ~ now
    IIF 13 - Director → ME
  • 8
    icon of address Uk House, 5th Floor, 164-182 Oxford Street, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    icon of calendar 2025-07-01 ~ now
    IIF 15 - Director → ME
  • 9
    icon of address Uk House, 5th Floor, 164-182 Oxford Street, London, United Kingdom
    Active Corporate (4 parents, 1 offspring)
    Officer
    icon of calendar 2025-07-01 ~ now
    IIF 12 - Director → ME
  • 10
    icon of address Uk House, 5th Floor, 164-182 Oxford Street, London, United Kingdom
    Active Corporate (3 parents)
    Officer
    icon of calendar 2025-03-10 ~ now
    IIF 14 - Director → ME
  • 11
    icon of address Uk House 5th Floor, 164-182 Oxford Street, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    icon of calendar 2025-07-01 ~ now
    IIF 11 - Director → ME
  • 12
    icon of address Arun House, Hurst Road, Horsham, West Sussex
    Dissolved Corporate (2 parents)
    Total Assets Less Current Liabilities (Company account)
    683 GBP2016-03-31
    Officer
    icon of calendar 2001-03-01 ~ dissolved
    IIF 5 - Director → ME
    icon of calendar 2001-03-01 ~ dissolved
    IIF 1 - Secretary → ME
  • 13
    icon of address 5 Howick Place, London
    Active Corporate (11 parents, 1 offspring)
    Officer
    icon of calendar 2025-06-11 ~ now
    IIF 3 - Director → ME
  • 14
    DONG ENERGY WALNEY EXTENSION (UK) LTD - 2017-08-21
    icon of address 5 Howick Place, London, England
    Active Corporate (10 parents)
    Officer
    icon of calendar 2025-06-11 ~ now
    IIF 2 - Director → ME

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Contains public sector information retrieved at 26 August 2025 and licensed under the Open Government Licence v3.0.