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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 4
  • 1
    Corben, Mark Edward Macleod
    Born in February 1971
    Individual (5 offsprings)
    Officer
    2023-10-14 ~ now
    OF - Director → CIF 0
  • 2
    Gregory, Maria
    Individual (28 offsprings)
    Officer
    2022-11-10 ~ now
    OF - Secretary → CIF 0
  • 3
    Burrows Smith, Mark
    Born in January 1967
    Individual (9 offsprings)
    Officer
    2025-08-01 ~ now
    OF - Director → CIF 0
  • 4
    FORTRESS MIDCO LIMITED - 2023-02-02
    Floor 4, Lynton House, 7 - 12 Tavistock Square, London, England
    Active Corporate (4 parents, 1 offspring)
    Person with significant control
    2022-02-24 ~ now
    PE - Right to appoint or remove directors → CIF 0
    PE - Ownership of voting rights - 75% or more → CIF 0
    PE - Ownership of shares – 75% or more → CIF 0
Ceased 4
  • 1
    Seely, Max Anthony Philip
    Company Director born in November 1993
    Individual (2 offsprings)
    Officer
    2022-02-16 ~ 2022-11-10
    OF - Director → CIF 0
  • 2
    Michaelson, Richard Owen
    Director born in October 1966
    Individual (6 offsprings)
    Officer
    2022-11-10 ~ 2025-07-01
    OF - Director → CIF 0
  • 3
    Chowdhary, Priya
    Director born in January 1971
    Individual (1 offspring)
    Officer
    2022-11-10 ~ 2023-07-23
    OF - Director → CIF 0
  • 4
    Spicer, Thomas Edward
    Company Director born in January 1982
    Individual (27 offsprings)
    Officer
    2022-02-16 ~ 2022-11-10
    OF - Director → CIF 0
    Mr Thomas Edward Spicer
    Born in January 1982
    Individual (27 offsprings)
    Person with significant control
    2022-02-16 ~ 2022-11-10
    PE - Right to appoint or remove directors → CIF 0
parent relation
Company in focus

ENCYCLIS BIDCO LIMITED

Previous name
FORTRESS BIDCO LIMITED - 2023-02-02
Standard Industrial Classification
64209 - Activities Of Other Holding Companies N.e.c.
Related profiles found in government register
  • ENCYCLIS BIDCO LIMITED
    Info
    FORTRESS BIDCO LIMITED - 2023-02-02
    Registered number 13920146
    Floor 4, Lynton House, 7 - 12 Tavistock Square, London WC1H 9LT
    PRIVATE LIMITED COMPANY incorporated on 2022-02-16 (4 years). The company status is Active.
    The last date of confirmation statement was made at 2025-07-19
    CIF 0
  • ENCYCLIS BIDCO LIMITED
    S
    Registered number missing
    Floor 4, Lynton House, 7 - 12 Tavistock Square, London, WC1H 9LT
    Private Company Limited By Shares
    CIF 1
  • ENCYCLIS BIDCO LIMITED
    S
    Registered number missing
    Floor 4, Lynton House, 7-12 Tavistock Square, London, England, WC1H 9LT
    Private Company Limited By Shares
    CIF 2
  • ENCYCLIS BIDCO LIMITED
    S
    Registered number 13920146
    Floor 4, 7-12 Lynton House, Tavistock Square, London, WC1H 9LT
    Private Limited Company in United Kingdom
    CIF 3
(more)
child relation
Offspring entities and appointments
Active 8
  • 1
    Floor 4, Lynton House, 7-12 Tavistock Square, London, United Kingdom
    Active Corporate (4 parents, 1 offspring)
    Person with significant control
    2024-01-29 ~ now
    CIF 1 - Ownership of shares – 75% or more → OE
    CIF 1 - Right to appoint or remove directors → OE
    CIF 1 - Ownership of voting rights - 75% or more → OE
  • 2
    COVANTA (WELLINGBOROUGH) LIMITED - 2023-02-01
    Floor 4, Lynton House, 7-12 Tavistock Square, London, England
    Active Corporate (3 parents)
    Person with significant control
    2022-10-05 ~ now
    CIF 8 - Right to appoint or remove directors → OE
    CIF 8 - Ownership of shares – 75% or more → OE
    CIF 8 - Ownership of voting rights - 75% or more → OE
  • 3
    COVANTA GREEN EARLS GATE HOLDING LIMITED - 2023-02-02
    Floor 4, Lynton House, 7-12 Tavistock Square, London, England
    Active Corporate (5 parents, 1 offspring)
    Person with significant control
    2024-10-28 ~ now
    CIF 4 - Ownership of voting rights - 75% or more → OE
    CIF 4 - Ownership of shares – 75% or more → OE
    CIF 4 - Right to appoint or remove directors → OE
  • 4
    COVANTA ENERGY LIMITED - 2023-02-02
    Floor 4, Lynton House, 7-12 Tavistock Square, London, England
    Active Corporate (4 parents, 1 offspring)
    Person with significant control
    2022-07-01 ~ now
    CIF 2 - Ownership of voting rights - 75% or more → OE
    CIF 2 - Right to appoint or remove directors → OE
    CIF 2 - Ownership of shares – 75% or more → OE
  • 5
    COVANTA GREEN PROTOS HOLDING LIMITED - 2023-02-02
    Floor 4, Lynton House, 7-12 Tavistock Square, London, England
    Active Corporate (4 parents, 1 offspring)
    Person with significant control
    2022-06-08 ~ now
    CIF 6 - Ownership of shares – 75% or more → OE
  • 6
    COVANTA GREEN UK LIMITED - 2023-02-02
    Floor 4, Lynton House, 7-12 Tavistock Square, London, England
    Active Corporate (4 parents, 2 offsprings)
    Person with significant control
    2022-06-08 ~ now
    CIF 5 - Ownership of shares – 75% or more → OE
  • 7
    Floor 4, Lynton House, 7 - 12 Tavistock Square, London, United Kingdom
    Active Corporate (3 parents, 1 offspring)
    Person with significant control
    2023-09-15 ~ now
    CIF 3 - Ownership of voting rights - 75% or more → OE
    CIF 3 - Ownership of shares – 75% or more → OE
    CIF 3 - Right to appoint or remove directors → OE
  • 8
    Floor 4, Lynton House, 7-12 Tavistock Square, London, United Kingdom
    Active Corporate (5 parents, 1 offspring)
    Person with significant control
    2025-06-24 ~ now
    CIF 9 - Right to appoint or remove directors → OE
    CIF 9 - Ownership of voting rights - 75% or more → OE
    CIF 9 - Ownership of shares – 75% or more → OE
Ceased 2
  • 1
    COVANTA GREEN EARLS GATE HOLDING LIMITED - 2023-02-02
    Floor 4, Lynton House, 7-12 Tavistock Square, London, England
    Active Corporate (5 parents, 1 offspring)
    Person with significant control
    2024-03-11 ~ 2024-10-28
    CIF 7 - Ownership of shares – 75% or more → OE
    CIF 7 - Right to appoint or remove directors → OE
    CIF 7 - Ownership of voting rights - 75% or more → OE
  • 2
    Floor 4, Lynton House 7-12, Tavistock Square, London, England
    Active Corporate (4 parents)
    Person with significant control
    2023-05-29 ~ 2025-08-15
    CIF 10 - Ownership of voting rights - 75% or more → OE
    CIF 10 - Right to appoint or remove directors → OE
    CIF 10 - Ownership of shares – 75% or more → OE

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