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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers who have significant controls over the individuals in focus are always inapplicable. The offspring entities and appointments are those entities that the individuals 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
Inapplicable
parent relation
Individuals in focus

Kerr, Mary Brigid, Dr

    Related profiles found in government register
  • Kerr, Mary Brigid, Dr
    British

    Registered addresses and corresponding companies
    • icon of address West Dene, 12 St Catharine's Road, Broxbourne, Hertfordshire, EN10 7LG

      IIF 1
  • Kerr, Mary Brigid, Dr
    British pharmaceutical executive

    Registered addresses and corresponding companies
    • icon of address West Dene, 12 St Catharine's Road, Broxbourne, Hertfordshire, EN10 7LG

      IIF 2
  • Kerr, Mary Brigid, Dr
    British chief executive born in October 1961

    Resident in England

    Registered addresses and corresponding companies
    • icon of address Stevenage Bioscience Catalyst, Incubator Building, Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2FX

      IIF 3
    • icon of address Stevenage Bioscience Catalyst, Incubator Building, Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2FX, United Kingdom

      IIF 4
  • Kerr, Mary Brigid, Dr
    British director born in October 1961

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 1st Floor 87-89 High Street, Hoddesdon, Hertfordshire, EN11 8TL, United Kingdom

      IIF 5
    • icon of address C/o Rathlin Therapeutics Limited, Stevenage Bioscience Catalyst, Incubator Building, Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2FX, United Kingdom

      IIF 6
  • Kerr, Mary Brigid, Dr
    British chief executive born in October 1961

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address Stevenage Bioscience Catalyst, Incubator Building, Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2FX, United Kingdom

      IIF 7
  • Kerr, Mary Brigid, Dr
    British director born in October 1961

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address West Dene, 12 St Catherine's Road, Broxbourne, Hertfordshire, EN10 7LG, England

      IIF 8
  • Dr Mary Brigid Kerr
    British born in October 1961

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 5th Floor, Halo, Counterslip, Bristol, BS1 6AJ, United Kingdom

      IIF 9 IIF 10
    • icon of address West Dene, St. Catharines Road, Broxbourne, Hertfordshire, EN10 7LG

      IIF 11
    • icon of address 1st Floor, 87/89 High Street, Hoddesdon, Hertfordshire, EN11 8TL, England

      IIF 12
child relation
Offspring entities and appointments
Active 6
  • 1
    icon of address West Dene, 12 St Catharines Road, Broxbourne, Hertfordshire
    Active Corporate (2 parents)
    Equity (Company account)
    -6,766 GBP2025-04-30
    Officer
    icon of calendar 2003-05-14 ~ now
    IIF 2 - Secretary → ME
  • 2
    icon of address 1st Floor 87/89 High Street, Hoddesdon, Hertfordshire, England
    Active Corporate (1 parent)
    Equity (Company account)
    -202 GBP2024-06-30
    Officer
    icon of calendar 2015-06-30 ~ now
    IIF 5 - Director → ME
    Person with significant control
    icon of calendar 2016-06-30 ~ now
    IIF 12 - Ownership of shares – 75% or moreOE
    IIF 12 - Ownership of voting rights - 75% or moreOE
    IIF 12 - Right to appoint or remove directorsOE
  • 3
    icon of address Stevenage Bioscience Catalyst, Incubator Building, Gunnels Wood Road, Stevenage, Hertfordshire, United Kingdom
    Active Corporate (7 parents)
    Officer
    icon of calendar 2017-09-08 ~ now
    IIF 4 - Director → ME
  • 4
    MOFO FIFTY-ONE LIMITED - 2012-09-14
    icon of address Stevenage Bioscience Catalyst Incubator Building, Gunnels Wood Road, Stevenage, Hertfordshire
    Active Corporate (7 parents)
    Officer
    icon of calendar 2015-10-01 ~ now
    IIF 3 - Director → ME
  • 5
    icon of address 6th Floor One London Wall, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    icon of calendar 2022-09-23 ~ now
    IIF 6 - Director → ME
  • 6
    COUNSEL DIRECT LIMITED - 2019-09-17
    icon of address Barnfield Stockwell Lane, Cleeve Hill, Cheltenham
    Active Corporate (2 parents)
    Equity (Company account)
    66,054 GBP2024-12-31
    Officer
    icon of calendar 2022-04-01 ~ now
    IIF 8 - Director → ME
Ceased 3
  • 1
    icon of address 400 South Oak Way, Reading, England
    Active Corporate (3 parents)
    Officer
    icon of calendar 2017-09-14 ~ 2020-09-08
    IIF 7 - Director → ME
  • 2
    icon of address 6th Floor One London Wall, London, United Kingdom
    Active Corporate (4 parents)
    Person with significant control
    icon of calendar 2022-09-23 ~ 2023-09-01
    IIF 10 - Right to appoint or remove directors OE
    IIF 10 - Ownership of voting rights - More than 50% but less than 75% OE
    IIF 10 - Ownership of shares – More than 50% but less than 75% OE
    icon of calendar 2024-03-12 ~ 2025-03-17
    IIF 9 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 9 - Ownership of shares – More than 25% but not more than 50% OE
  • 3
    COUNSEL DIRECT LIMITED - 2019-09-17
    icon of address Barnfield Stockwell Lane, Cleeve Hill, Cheltenham
    Active Corporate (2 parents)
    Equity (Company account)
    66,054 GBP2024-12-31
    Officer
    icon of calendar 2001-12-11 ~ 2022-04-01
    IIF 1 - Secretary → ME
    Person with significant control
    icon of calendar 2016-04-06 ~ 2021-06-23
    IIF 11 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 11 - Ownership of shares – More than 25% but not more than 50% OE

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Contains public sector information retrieved at 16 October 2025 and licensed under the Open Government Licence v3.0.