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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 14
  • 1
    Sandhu, Rajinder Singh Bobby, Mr.
    Born in August 1983
    Individual (6 offsprings)
    Officer
    2025-08-29 ~ now
    OF - Director → CIF 0
  • 2
    Thornton, Gary
    Born in December 1965
    Individual (29 offsprings)
    Officer
    2019-10-24 ~ now
    OF - Director → CIF 0
  • 3
    Pitts, Matthew John
    Commercial Director born in August 1970
    Individual (25 offsprings)
    Officer
    2019-10-24 ~ 2025-07-23
    OF - Director → CIF 0
  • 4
    Kerrennuer, Antione Jean Rene
    Born in May 1978
    Individual (1 offspring)
    Officer
    2025-08-12 ~ now
    OF - Director → CIF 0
  • 5
    Vera, Eddu
    Investor born in May 1991
    Individual (1 offspring)
    Officer
    2024-12-04 ~ 2025-08-29
    OF - Director → CIF 0
  • 6
    Kadota, Atsushi
    Director born in March 1978
    Individual (1 offspring)
    Officer
    2024-04-15 ~ 2024-12-04
    OF - Director → CIF 0
  • 7
    Porter, Mark Darren
    Born in July 1972
    Individual (3 offsprings)
    Officer
    2025-03-24 ~ now
    OF - Director → CIF 0
  • 8
    Inano, Shigeru
    Director born in July 1970
    Individual (3 offsprings)
    Officer
    2021-04-01 ~ 2024-12-04
    OF - Director → CIF 0
  • 9
    Tetot, Stephane Christophe
    Financial Engineer born in August 1981
    Individual (98 offsprings)
    Officer
    2024-12-04 ~ 2025-03-24
    OF - Director → CIF 0
  • 10
    Muramiya, Masanobu
    Director born in December 1978
    Individual (6 offsprings)
    Officer
    2020-08-03 ~ 2021-04-01
    OF - Director → CIF 0
  • 11
    O'brien, David
    Investment Management born in March 1975
    Individual (1 offspring)
    Officer
    2024-12-04 ~ 2025-06-30
    OF - Director → CIF 0
  • 12
    Umemura, Yasushi
    Company Director born in October 1974
    Individual (33 offsprings)
    Officer
    2019-10-24 ~ 2020-03-31
    OF - Director → CIF 0
  • 13
    DIAMOND TRANSMISSION CORPORATION LIMITED
    08483128 07655941
    Mid City Place, 71 High Holborn, London, United Kingdom
    Liquidation Corporate (29 parents, 15 offsprings)
    Person with significant control
    2019-10-24 ~ 2024-12-04
    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
  • 14
    DTUK BLK BIDCO HOLDINGS LTD
    15848613
    1, Bartholomew Lane, London, England
    Active Corporate (8 parents, 1 offspring)
    Person with significant control
    2024-12-04 ~ now
    PE - Ownership of shares – 75% or moreCIF 0
    PE - Right to appoint or remove directorsCIF 0
    PE - Ownership of voting rights - 75% or moreCIF 0
parent relation
Company in focus

DIAMOND TRANSMISSION UK LIMITED

Period: 2019-10-24 ~ now
Company number: 12280960
Registered name
DIAMOND TRANSMISSION UK LIMITED - now
Standard Industrial Classification
35120 - Transmission Of Electricity

Related profiles found in government register
  • DIAMOND TRANSMISSION UK LIMITED
    Info
    Registered number 12280960
    71 Kingsway, London WC2B 6ST
    PRIVATE LIMITED COMPANY incorporated on 2019-10-24 (6 years 5 months). The company status is Active.
    The last date of confirmation statement was made at 2025-10-23
    CIF 0
  • DIAMOND TRANSMISSION UK LIMITED
    S
    Registered number 12280960
    Mid City Place, 71 High Holborn, London, England, WC1V 6BA
    Private Limited Company in Companies House, United Kingdom
    CIF 1 CIF 2
    Private Limited Company in Companies House, United Kingdom, United Kingdom
    CIF 3
child relation
Offspring entities and appointments 8
  • 1
    BLUE TRANSMISSION LONDON ARRAY (HOLDINGS) LIMITED
    - now 08275827
    ALNERY NO. 3077 LIMITED - 2012-11-20
    8th Floor 6 Kean Street, London, United Kingdom
    Active Corporate (23 parents, 1 offspring)
    Person with significant control
    2020-02-14 ~ now
    CIF 7 - Ownership of voting rights - More than 25% but not more than 50% OE
    CIF 7 - Ownership of shares – More than 25% but not more than 50% OE
  • 2
    BLUE TRANSMISSION SHERINGHAM SHOAL (HOLDINGS) LIMITED
    - now 08085637
    ALNERY NO. 3035 LIMITED - 2012-10-16
    8th Floor 6 Kean Street, London, United Kingdom
    Active Corporate (23 parents, 1 offspring)
    Person with significant control
    2020-02-14 ~ now
    CIF 6 - Ownership of voting rights - More than 25% but not more than 50% OE
    CIF 6 - Ownership of shares – More than 25% but not more than 50% OE
  • 3
    BLUE TRANSMISSION WALNEY 1 (HOLDINGS) LIMITED
    - now 07353250 07795885
    ALNERY NO. 2937 LIMITED - 2010-10-15
    8th Floor 6 Kean Street, London, United Kingdom
    Active Corporate (26 parents, 1 offspring)
    Person with significant control
    2020-02-14 ~ now
    CIF 4 - Ownership of voting rights - More than 25% but not more than 50% OE
    CIF 4 - Ownership of shares – More than 25% but not more than 50% OE
  • 4
    BLUE TRANSMISSION WALNEY 2 (HOLDINGS) LIMITED
    - now 07795885 07353250
    ALNERY NO. 2997 LIMITED - 2011-11-29
    8th Floor 6 Kean Street, London, United Kingdom
    Active Corporate (25 parents, 1 offspring)
    Person with significant control
    2020-02-14 ~ now
    CIF 5 - Ownership of voting rights - More than 25% but not more than 50% OE
    CIF 5 - Ownership of shares – More than 25% but not more than 50% OE
  • 5
    DIAMOND TRANSMISSION PARTNERS BBE (HOLDINGS) LIMITED
    10121746 10454309... (more)
    71 Kingsway, London, England
    Active Corporate (14 parents, 1 offspring)
    Person with significant control
    2020-05-07 ~ now
    CIF 8 - Ownership of shares – More than 25% but not more than 50% OE
    CIF 8 - Ownership of voting rights - More than 25% but not more than 50% OE
  • 6
    DIAMOND TRANSMISSION PARTNERS GALLOPER (HOLDINGS) LIMITED
    10725390 10121746... (more)
    71 Kingsway, London, United Kingdom
    Active Corporate (14 parents, 1 offspring)
    Person with significant control
    2020-12-18 ~ now
    CIF 1 - Ownership of shares – More than 50% but less than 75% OE
    CIF 1 - Ownership of voting rights - More than 25% but not more than 50% OE
  • 7
    DIAMOND TRANSMISSION PARTNERS RB (HOLDINGS) LIMITED
    10454309 10121746... (more)
    71 Kingsway, London, United Kingdom
    Active Corporate (13 parents, 1 offspring)
    Person with significant control
    2020-05-07 ~ now
    CIF 2 - Ownership of voting rights - More than 50% but less than 75% OE
    CIF 2 - Ownership of shares – More than 50% but less than 75% OE
  • 8
    DIAMOND TRANSMISSION PARTNERS WALNEY EXTENSION (HOLDINGS) LIMITED
    10725211 10726538... (more)
    71 Kingsway, London, United Kingdom
    Active Corporate (17 parents, 1 offspring)
    Person with significant control
    2021-03-12 ~ now
    CIF 3 - Ownership of voting rights - More than 25% but not more than 50% OE
    CIF 3 - Ownership of shares – More than 50% but less than 75% OE

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Contains public sector information retrieved at 22 March 2026 and licensed under the Open Government Licence v3.0.