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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 7
  • 1
    Ruwald, Bjorn Clauber
    Director born in January 1984
    Individual (7 offsprings)
    Officer
    2020-04-16 ~ 2020-07-07
    OF - Director → CIF 0
  • 2
    Sathiyanandarajah, Kugan, Mr.
    Investor born in March 1986
    Individual (37 offsprings)
    Officer
    2020-04-16 ~ 2023-06-21
    OF - Director → CIF 0
  • 3
    Simpson, Eric
    Born in June 1986
    Individual (1 offspring)
    Officer
    2023-06-22 ~ now
    OF - Director → CIF 0
  • 4
    Joseph-erameh, Anogie
    Born in February 1990
    Individual (9 offsprings)
    Officer
    2020-07-07 ~ 2023-06-21
    OF - Director → CIF 0
  • 5
    Burton, Steven James
    Research And Development Director born in September 1960
    Individual (6 offsprings)
    Officer
    2020-04-16 ~ 2020-06-23
    OF - Director → CIF 0
  • 6
    Gunnison, Matthew Tower
    Born in January 1980
    Individual (10 offsprings)
    Officer
    2020-04-16 ~ now
    OF - Director → CIF 0
  • 7
    GAMMA BIOSCIENCES BIDCO LIMITED
    12303230
    Duo, Level 6, 280 Bishopsgate, London, England
    Active Corporate (4 parents, 2 offsprings)
    Person with significant control
    2020-04-16 ~ now
    PE - Ownership of voting rights - 75% or moreCIF 0
    PE - Right to appoint or remove directorsCIF 0
    PE - Ownership of shares – 75% or moreCIF 0
parent relation
Company in focus

GAMMA BIOSCIENCES HOLDCO LIMITED

Period: 2020-04-16 ~ now
Company number: 12558722
Registered name
GAMMA BIOSCIENCES HOLDCO LIMITED - now
Standard Industrial Classification
64209 - Activities Of Other Holding Companies N.e.c.

Related profiles found in government register
  • GAMMA BIOSCIENCES HOLDCO LIMITED
    Info
    Registered number 12558722
    Duo, Level 6, 280 Bishopsgate, London EC2M 4RB
    PRIVATE LIMITED COMPANY incorporated on 2020-04-16 (6 years). The status of the company number is Active.
    The last date of confirmation statement was made at 2025-04-15
    CIF 0
  • GAMMA BIOSCIENCES HOLDCO LIMITED
    S
    Registered number 12558722
    11th Floor, 200 Aldersgate Street, London, United Kingdom, EC1A 4HD
    Private Limited Company in Companies House, England
    CIF 1
  • GAMMA BIOSCIENCES HOLDCO LIMITED
    S
    Registered number 12558722
    Duo, Level 6, 280 Bishopsgate, London, United Kingdom, EC2M 4RB
    Corporate in Companies House, England
    CIF 2 CIF 3
child relation
Offspring entities and appointments 3
  • 1
    ASTREA GROUP HOLDINGS COMPANY LIMITED
    12478853
    Unit 1 Horizon Park Barton Road, Comberton, Cambridge, England
    Active Corporate (18 parents, 5 offsprings)
    Person with significant control
    2020-05-05 ~ 2023-02-13
    CIF 1 - Ownership of voting rights - 75% or more OE
    CIF 1 - Ownership of shares – 75% or more OE
    CIF 1 - Right to appoint or remove directors OE
  • 2
    GAMMA BIOSCIENCES NEWCO 2 LIMITED
    14715918 14563696
    Duo, Level 6, 280 Bishopsgate, London, United Kingdom
    Active Corporate (4 parents)
    Person with significant control
    2023-03-08 ~ now
    CIF 2 - Right to appoint or remove directors OE
    CIF 2 - Ownership of voting rights - 75% or more OE
    CIF 2 - Ownership of shares – 75% or more OE
  • 3
    GAMMA BIOSCIENCES NEWCO LIMITED
    14563696 14715918
    Duo, Level 6, 280 Bishopsgate, London, United Kingdom
    Active Corporate (4 parents, 1 offspring)
    Person with significant control
    2022-12-30 ~ now
    CIF 3 - Ownership of voting rights - 75% or more OE
    CIF 3 - Right to appoint or remove directors OE
    CIF 3 - Ownership of shares – 75% or more OE

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Contains public sector information retrieved at 5 April 2026 and licensed under the Open Government Licence v3.0.