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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.

Jump to: Company in focus, Offsprings
Parent entities and officers 3
  • 1
    Ross, Nicholas Robert William
    Born in January 1963
    Individual (49 offsprings)
    Officer
    2014-03-25 ~ now
    OF - LLP Designated Member → CIF 0
    Nicholas Robert William Ross
    Born in January 1963
    Individual (49 offsprings)
    Person with significant control
    2017-03-25 ~ now
    PE - Has significant influence or control → CIF 0
  • 2
    Dunn, Michael Brian
    Born in April 1961
    Individual (52 offsprings)
    Officer
    2014-03-25 ~ 2019-10-23
    OF - LLP Designated Member → CIF 0
    Mr Michael Brian Dunn
    Born in April 1961
    Individual (52 offsprings)
    Person with significant control
    2017-03-25 ~ 2019-10-23
    PE - Has significant influence or control → CIF 0
  • 3
    KANADEVIA INOVA CAPITAL LTD - now 01583260
    IONA CAPITAL LTD
    - 2025-04-28 01583260
    ACUITY CAPITAL MANAGEMENT LIMITED - 2011-05-19
    ELECTRA QUOTED MANAGEMENT LIMITED - 2008-02-19
    ELECTRA FLEMING QUOTED MANAGEMENT LIMITED - 1999-07-28
    ELECTRA MANAGEMENT LIMITED - 1995-09-21
    ELECTRA RISK CAPITAL P.L.C. - 1990-12-04
    ELECTRA MANAGEMENT P.L.C. - 1986-07-17
    ELECTRA RISK CAPITAL P.L.C. - 1985-04-25
    123, Pall Mall, London, England
    Active Corporate (33 parents, 39 offsprings)
    Officer
    2014-03-25 ~ now
    OF - LLP Designated Member → CIF 0
    Person with significant control
    2017-03-25 ~ now
    PE - Ownership of voting rights - 75% or more → CIF 0
parent relation
Company in focus

IONA EI (GENERAL PARTNER) LLP

Period: 2014-03-25 ~ now
Company number: OC392199
Registered name
IONA EI (GENERAL PARTNER) LLP - now OC402464... (more)
Related profiles found in government register
  • IONA EI (GENERAL PARTNER) LLP
    Info
    Registered number OC392199
    123 Pall Mall, London SW1Y 5EA
    LIMITED LIABILITY PARTNERSHIP incorporated on 2014-03-25 (12 years). The company status is Active.
    The last date of confirmation statement was made at 2025-03-25
    CIF 0
  • IONA EI (GENERAL PARTNER) LLP
    S
    Registered number Oc392199
    123, Pall Mall, London, England, SW1Y 5EA
    Limited Liability Partnership in Companies House, United Kingdom
    CIF 1
  • IONA EI (GENERAL PARTNER) LLP
    S
    Registered number Oc392199
    123 Pall Mall, London, SW1Y 5EA
    Limited Liability Partnership in Companies House, United Kingdom
    CIF 2
  • IONA EI (GENERAL PARTNER) LLP
    S
    Registered number Oc392199
    123, Pall Mall, London, United Kingdom, SW1Y 5EA
    Limited Liability Partnership in Registrar Of Companies, England And Wales, United Kingdom
    CIF 3
(more)
child relation
Offspring entities and appointments 6
  • 1
    BIOGEN GWYRIAD LIMITED
    07816543
    Milton Parc Milton Parc, Milton Ernest, Bedfordshire
    Active Corporate (22 parents)
    Person with significant control
    2019-09-06 ~ 2020-08-28
    CIF 5 - Has significant influence or control as a member of a firm → OE
    CIF 5 - Ownership of shares – More than 25% but not more than 50% as a member of a firm → OE
  • 2
    BIOGEN WAEN LIMITED
    - now 07816570
    BIOGEN LLWYDLO LIMITED - 2012-08-15
    Milton Parc, Milton Ernest, Bedfordshire
    Active Corporate (22 parents)
    Person with significant control
    2019-09-06 ~ 2020-08-28
    CIF 6 - Ownership of shares – More than 25% but not more than 50% as a member of a firm → OE
  • 3
    IONA EI (SLP) LP
    SL009379
    50 Lothian Road, Festival Square, Edinburgh
    Active Corporate (4 parents)
    Person with significant control
    2017-06-26 ~ now
    CIF 3 - Right to appoint or remove persons → OE
  • 4
    KANADEVIA INOVA BIOGAS HOLDCO LTD - now
    IONA ENVIRONMENTAL INFRASTRUCTURE HOLDCO LIMITED
    - 2025-04-28 12449632
    123 Pall Mall, London, England
    Active Corporate (7 parents, 10 offsprings)
    Person with significant control
    2022-02-07 ~ 2024-12-23
    CIF 1 - Ownership of voting rights - 75% or more → OE
    CIF 1 - Right to appoint or remove directors → OE
  • 5
    KANADEVIA INOVA BIOGAS PARENTCO LTD - now
    IONA ENVIRONMENTAL INFRASTRUCTURE PARENTCO LIMITED
    - 2025-04-28 12446946
    123 Pall Mall, London, England
    Active Corporate (6 parents, 1 offspring)
    Person with significant control
    2020-02-06 ~ 2024-12-23
    CIF 2 - Right to appoint or remove directors → OE
    CIF 2 - Ownership of voting rights - 75% or more → OE
  • 6
    KANADEVIA INOVA MANAGEMENT SERVICES UK LTD - now
    IONA MANAGEMENT SERVICES LIMITED
    - 2025-04-28 09662571
    ADVANTAGE BIOGAS LIMITED
    - 2021-11-09 09662571
    Marlborough House Westminster Place, Nether Poppleton, York, England
    Active Corporate (10 parents, 2 offsprings)
    Person with significant control
    2016-04-06 ~ 2021-12-06
    CIF 4 - Has significant influence or control as a member of a firm → OE
    CIF 4 - Right to appoint or remove directors as a member of a firm → OE
    CIF 4 - Ownership of voting rights - More than 50% but less than 75% → OE
    CIF 4 - Ownership of shares – More than 50% but less than 75% → OE

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