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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
    Thornton, Gary
    Born in December 1965
    Individual (25 offsprings)
    Officer
    icon of calendar 2019-05-20 ~ now
    OF - Director → CIF 0
  • 2
    Kataoka, Kunio
    Born in September 1970
    Individual (2 offsprings)
    Officer
    icon of calendar 2023-07-20 ~ now
    OF - Director → CIF 0
  • 3
    Ito, Akihide
    Born in July 1969
    Individual (4 offsprings)
    Officer
    icon of calendar 2022-03-29 ~ now
    OF - Director → CIF 0
  • 4
    Nakano, Reina
    Born in November 1994
    Individual (2 offsprings)
    Officer
    icon of calendar 2025-05-02 ~ now
    OF - Director → CIF 0
  • 5
    icon of addressWtc Amsterdam Tower-h, Zuidplein 36, 1077 Xv Amsterdam, Netherlands
    Corporate (1 offspring)
    Person with significant control
    icon of calendar 2023-03-29 ~ now
    PE - Ownership of voting rights - More than 25% but not more than 50%CIF 0
    PE - Ownership of shares – More than 25% but not more than 50%CIF 0
  • 6
    MUL INFRASTRUCTURE UK LIMITED - 2021-10-01
    icon of address1, Bartholomew Lane, London, England
    Active Corporate (4 parents, 1 offspring)
    Person with significant control
    icon of calendar 2021-06-21 ~ now
    PE - Ownership of shares – More than 25% but not more than 50%CIF 0
    PE - Ownership of voting rights - More than 25% but not more than 50%CIF 0
Ceased 12
  • 1
    Umemura, Yasushi
    Director born in September 1974
    Individual (5 offsprings)
    Officer
    icon of calendar 2019-05-20 ~ 2020-03-31
    OF - Director → CIF 0
  • 2
    Sugimori, Katsuji
    Director born in October 1968
    Individual
    Officer
    icon of calendar 2022-03-29 ~ 2023-07-20
    OF - Director → CIF 0
  • 3
    Kobayashi, Ryoji
    Director born in March 1977
    Individual
    Officer
    icon of calendar 2021-01-20 ~ 2021-07-02
    OF - Director → CIF 0
  • 4
    Pitts, Matthew John
    Commercial Director born in August 1970
    Individual (4 offsprings)
    Officer
    icon of calendar 2019-05-20 ~ 2021-03-24
    OF - Director → CIF 0
  • 5
    Yuki, Masaya
    Office Worker born in December 1994
    Individual
    Officer
    icon of calendar 2024-01-30 ~ 2025-05-02
    OF - Director → CIF 0
  • 6
    Ueki, Michiharu
    Director born in December 1972
    Individual
    Officer
    icon of calendar 2021-07-02 ~ 2022-03-29
    OF - Director → CIF 0
  • 7
    Muramiya, Masanobu
    Director born in November 1978
    Individual
    Officer
    icon of calendar 2020-08-03 ~ 2021-01-20
    OF - Director → CIF 0
  • 8
    Tamate, Keiro
    Director born in December 1983
    Individual
    Officer
    icon of calendar 2021-03-24 ~ 2024-01-30
    OF - Director → CIF 0
  • 9
    Nishikawa, Jun
    Director born in November 1970
    Individual
    Officer
    icon of calendar 2021-01-20 ~ 2022-03-29
    OF - Director → CIF 0
  • 10
    Nakano, Reina
    Director born in May 1994
    Individual (2 offsprings)
    Officer
    icon of calendar 2025-05-02 ~ 2025-05-02
    OF - Director → CIF 0
  • 11
    icon of addressMid City Place, 71 High Holborn, London, United Kingdom
    Liquidation Corporate (3 parents, 4 offsprings)
    Person with significant control
    2019-05-20 ~ 2021-06-21
    PE - Right to appoint or remove directorsCIF 0
    PE - Ownership of voting rights - 75% or moreCIF 0
    PE - Ownership of shares – 75% or moreCIF 0
  • 12
    icon of addressWtc Amsterdam Tower-h, Zuidplein 36, 1077 Xv Amsterdam, Netherlands
    Corporate
    Person with significant control
    2021-02-23 ~ 2023-03-29
    PE - Ownership of shares – More than 25% but not more than 50%CIF 0
    PE - Ownership of voting rights - More than 25% but not more than 50%CIF 0
parent relation
Company in focus

DIAMOND TRANSMISSION PARTNERS HORNSEA ONE (HOLDINGS) LIMITED

Standard Industrial Classification
35120 - Transmission Of Electricity

Related profiles found in government register
  • DIAMOND TRANSMISSION PARTNERS HORNSEA ONE (HOLDINGS) LIMITED
    Info
    Registered number 12005698
    icon of addressMid City Place, 71 High Holborn, London WC1V 6BA
    PRIVATE LIMITED COMPANY incorporated on 2019-05-20 (6 years 7 months). The company status is Active.
    The last date of confirmation statement was made at 2025-05-19
    CIF 0
  • DIAMOND TRANSMISSION PARTNERS HORNSEA ONE (HOLDINGS) LIMITED
    S
    Registered number 12005698
    icon of addressMid City Place, 71 High Holborn, London, United Kingdom, WC1V 6BA
    Limited By Shares in Companies House, England And Wales
    CIF 1
child relation
Offspring entities and appointments
Active 1
  • icon of addressMid City Place, 71 High Holborn, London, United Kingdom
    Active Corporate (5 parents)
    Person with significant control
    icon of calendar 2019-05-20 ~ now
    CIF 1 - Right to appoint or remove directorsOE
    CIF 1 - Ownership of voting rights - 75% or moreOE
    CIF 1 - Ownership of shares – 75% or moreOE

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