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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 8
  • 1
    Keeling, Stuart Michael
    Born in September 1980
    Individual (14 offsprings)
    Officer
    2025-12-01 ~ now
    OF - Director → CIF 0
  • 2
    Mullany, Angela Jane Elisabeth
    Individual (14 offsprings)
    Officer
    2023-05-31 ~ now
    OF - Secretary → CIF 0
  • 3
    Mcarthur, David James
    Born in August 1964
    Individual (20 offsprings)
    Officer
    2022-03-11 ~ 2025-12-01
    OF - Director → CIF 0
  • 4
    Strawn, Timothy Mason
    Director born in April 1961
    Individual (16 offsprings)
    Officer
    2022-03-11 ~ 2025-08-12
    OF - Director → CIF 0
  • 5
    Isaac, Carl
    Born in March 1975
    Individual (22 offsprings)
    Officer
    2025-08-12 ~ now
    OF - Director → CIF 0
  • 6
    Crowe, Simon Paul
    Chief Financial Officer born in May 1967
    Individual (65 offsprings)
    Officer
    2022-03-11 ~ 2022-10-03
    OF - Director → CIF 0
  • 7
    Burrows, Roy Antony
    Individual (28 offsprings)
    Officer
    2022-03-11 ~ 2023-05-31
    OF - Secretary → CIF 0
  • 8
    ERM-EUROPE,LTD - now 02137137
    ENVIRONMENTAL HOLDINGS LIMITED - 1994-11-23
    SPARKCRUCIAL LIMITED - 1987-09-11
    2nd Floor, Exchequer Court, 33 St Mary Axe, London
    Active Corporate (40 parents, 19 offsprings)
    Person with significant control
    2022-03-11 ~ now
    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
parent relation
Company in focus

DOLPHYN HYDROGEN LIMITED

Period: 2024-01-16 ~ now
Company number: 13970327
Registered names
DOLPHYN HYDROGEN LIMITED - now
Standard Industrial Classification
43999 - Other Specialised Construction Activities N.e.c.
35210 - Manufacture Of Gas
71121 - Engineering Design Activities For Industrial Process And Production
35230 - Trade Of Gas Through Mains
Brief company account
Called-up share capital not yet paid and not classified as a current asset
1 GBP2023-03-31
Net Assets/Liabilities
1 GBP2023-03-31
Number of shares allotted
Class 1 ordinary share
1 shares2022-03-11 ~ 2023-03-31
Par Value of Share
Class 1 ordinary share
1 GBP/shares2022-03-11 ~ 2023-03-31
Equity
1 GBP2023-03-31

Related profiles found in government register
  • DOLPHYN HYDROGEN LIMITED
    Info
    ERM DOLPHYN HOLDCO LIMITED - 2024-01-16
    Registered number 13970327
    2nd Floor, Exchequer Court, 33 St Mary Axe, London EC3A 8AA
    PRIVATE LIMITED COMPANY incorporated on 2022-03-11 (4 years). The status of the company number is Active.
    The last date of confirmation statement was made at 2026-03-10
    CIF 0
  • DOLPHYN HYDROGEN LIMITED
    S
    Registered number 13970327
    2nd Floor, Exchequer Court, 33 St Mary Axe, London, Ec3a 8aa, EC3A 8AA
    Private Limited Company in England
    CIF 1
    Private Limited Company in England, United Kingdom
    CIF 2
child relation
Offspring entities and appointments 2
  • 1
    DOLPHYN HYDROGEN - CELTIC SEA SPV LIMITED
    - now 13980236
    ERM DOLPHYN SPV1 LIMITED
    - 2024-01-16 13980236 13977294
    2nd Floor, Exchequer Court, 33 St Mary Axe, London, United Kingdom
    Active Corporate (8 parents)
    Person with significant control
    2022-03-16 ~ now
    CIF 1 - Ownership of voting rights - 75% or more OE
    CIF 1 - Right to appoint or remove directors OE
    CIF 1 - Ownership of shares – 75% or more OE
  • 2
    DOLPHYN HYDROGEN - NORTH SEA SPV LIMITED
    - now 13977294
    ERM DOLPHYN SPV 2 LIMITED
    - 2024-01-16 13977294 13980236
    2nd Floor, Exchequer Court, 33 St Mary Axe, London, United Kingdom
    Active Corporate (8 parents)
    Person with significant control
    2022-03-15 ~ now
    CIF 2 - Right to appoint or remove directors OE
    CIF 2 - Ownership of shares – 75% or more OE
    CIF 2 - Ownership of voting rights - 75% or more OE

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