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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers are those entities, including individual and legal persons, have significant controls over the company in focus. The offspring entities and appointments are those entities that the company 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
Active 6
  • 1
    Kataoka, Kunio
    Born in September 1970
    Individual (2 offsprings)
    Officer
    2023-07-20 ~ now
    OF - Director → CIF 0
  • 2
    Thornton, Gary
    Born in December 1965
    Individual (25 offsprings)
    Officer
    2019-05-20 ~ now
    OF - Director → CIF 0
  • 3
    Kojima, Fumiyasu
    Born in May 1996
    Individual (2 offsprings)
    Officer
    2025-11-14 ~ now
    OF - Director → CIF 0
  • 4
    Nakano, Reina
    Born in November 1994
    Individual (2 offsprings)
    Officer
    2025-05-02 ~ now
    OF - Director → CIF 0
  • 5
    Ito, Akihide
    Born in July 1969
    Individual (4 offsprings)
    Officer
    2022-03-29 ~ now
    OF - Director → CIF 0
  • 6
    Mid City Place, 71 High Holborn, London, United Kingdom
    Active Corporate (7 parents, 1 offspring)
    Person with significant control
    2019-05-20 ~ now
    PE - Ownership of shares – 75% or moreCIF 0
    PE - Ownership of voting rights - 75% or moreCIF 0
    PE - Right to appoint or remove directorsCIF 0
Ceased 9
  • 1
    Pitts, Matthew John
    Commercial Director born in August 1970
    Individual (4 offsprings)
    Officer
    2019-05-20 ~ 2021-03-24
    OF - Director → CIF 0
  • 2
    Ueki, Michiharu
    Director born in December 1972
    Individual
    Officer
    2021-07-02 ~ 2022-03-29
    OF - Director → CIF 0
  • 3
    Kobayashi, Ryoji
    Director born in February 1977
    Individual
    Officer
    2021-01-20 ~ 2021-07-02
    OF - Director → CIF 0
  • 4
    Nishikawa, Jun
    Director born in November 1970
    Individual
    Officer
    2021-01-20 ~ 2022-03-29
    OF - Director → CIF 0
  • 5
    Umemura, Yasushi
    Director born in September 1974
    Individual (5 offsprings)
    Officer
    2019-05-20 ~ 2020-03-31
    OF - Director → CIF 0
  • 6
    Yuki, Masaya
    Office Worker born in December 1994
    Individual
    Officer
    2024-01-30 ~ 2025-05-02
    OF - Director → CIF 0
  • 7
    Muramiya, Masanobu
    Director born in November 1978
    Individual
    Officer
    2020-08-03 ~ 2021-01-20
    OF - Director → CIF 0
  • 8
    Tamate, Keiro
    Director born in December 1983
    Individual
    Officer
    2021-03-24 ~ 2024-01-30
    OF - Director → CIF 0
  • 9
    Sugimori, Katsuji
    Director born in October 1968
    Individual
    Officer
    2022-03-29 ~ 2023-07-20
    OF - Director → CIF 0
parent relation
Company in focus

DIAMOND TRANSMISSION PARTNERS HORNSEA ONE LIMITED

Standard Industrial Classification
35120 - Transmission Of Electricity

  • DIAMOND TRANSMISSION PARTNERS HORNSEA ONE LIMITED
    Info
    Registered number 12006626
    Mid City Place, 71 High Holborn, London WC1V 6BA
    PRIVATE LIMITED COMPANY incorporated on 2019-05-20 (6 years 9 months). The company status is Active.
    The last date of confirmation statement was made at 2025-05-19
    CIF 0
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.

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