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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

Tolley, Arron Craig, Dr

    Related profiles found in government register
  • Tolley, Arron Craig, Dr
    British born in November 1977

    Resident in England

    Registered addresses and corresponding companies
  • Tolley, Arron Craig, Dr
    British chief executive officer born in November 1977

    Resident in England

    Registered addresses and corresponding companies

    • Suite 2.80-2.87 Bio Centre, Innovation Way, Heslington, York, North Yorkshire, YO10 5NY, United Kingdom

      IIF 6
  • Tolley, Arron Craig, Dr
    British company director born in November 1977

    Resident in England

    Registered addresses and corresponding companies

    • Windmill House, Innovation Way, York, YO10 5BR, England

      IIF 7
  • Tolley, Arron Craig, Dr
    British director born in November 1977

    Resident in England

    Registered addresses and corresponding companies

    • Windmill House, Innovation Way, York, YO10 5BR, England

      IIF 8
  • Tolley, Arron Craig, Dr
    British scientist born in November 1977

    Resident in England

    Registered addresses and corresponding companies

    • Windmill House, Innovation Way, York, YO10 5BR, England

      IIF 9 IIF 10
  • Tolley, Arron Craig, Dr
    British company director

    Registered addresses and corresponding companies

    • Windmill House, Innovation Way, York, YO10 5BR, England

      IIF 11
  • Dr Arron Craig Tolley
    British born in November 1977

    Resident in England

    Registered addresses and corresponding companies

    • Aptamer Solutions Ltd, Second Floor, Bio Centre, Innovation Way, Heslington York, North Yorkshire, YO10 5NY, United Kingdom

      IIF 12

    • Aptamer Therapeutics Ltd, Second Floor, Bio Centre, Innovation Way, Heslington York, North Yorkshire, YO10 5NY, United Kingdom

      IIF 13

    • Aptasort Ltd, Second Floor, Bio Centre, Innovation Way, Heslington York, North Yorkshire, YO10 5NY, United Kingdom

      IIF 14

    • Aptamer Group Ltd, Second Floor, Bio Centre, Innovation Way, Heslington, York, YO10 5NY, England

      IIF 15
  • Dr Arron Craig Tolley
    British born in November 1977

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Aptamer Diagnostics Ltd, Second Floor Bio Centre, Innovation Way, Heslington York, North Yorkshire, YO10 5NY, United Kingdom

      IIF 16
child relation
Offspring entities and appointments
Active 5
  • 1
    APTAMER SOLUTIONS LIMITED - 2012-05-03
    Windmill House, Innovation Way, York, England
    Active Corporate (3 parents)
    Equity (Company account)
    -845,260 GBP2024-06-30
    Officer
    2023-08-21 ~ now
    IIF 1 - Director → ME
  • 2
    APTAMER GROUP LIMITED - 2021-12-08
    BLUEBIRD 123 LIMITED - 2015-04-20
    Windmill House, Innovation Way, York, England
    Active Corporate (6 parents, 4 offsprings)
    Profit/Loss (Company account)
    -355,026 GBP2018-04-01 ~ 2019-03-31
    Officer
    2023-08-21 ~ now
    IIF 2 - Director → ME
  • 3
    APTAMER DIAGNOSTICS LIMITED - 2012-05-03
    Windmill House, Innovation Way, York, England
    Active Corporate (3 parents)
    Equity (Company account)
    147,570 GBP2024-06-30
    Officer
    2023-08-21 ~ now
    IIF 5 - Director → ME
  • 4
    APTASORT LIMITED - 2019-05-25
    Windmill House, Innovation Way, York, England
    Active Corporate (3 parents)
    Equity (Company account)
    -313,841 GBP2024-06-30
    Officer
    2023-08-21 ~ now
    IIF 3 - Director → ME
  • 5
    APTAMER THERAPEUTICS LIMITED - 2019-05-25
    Windmill House, Innovation Way, York, England
    Active Corporate (3 parents)
    Equity (Company account)
    -81,591 GBP2024-06-30
    Officer
    2023-08-21 ~ now
    IIF 4 - Director → ME
Ceased 5
  • 1
    APTAMER SOLUTIONS LIMITED - 2012-05-03
    Windmill House, Innovation Way, York, England
    Active Corporate (3 parents)
    Equity (Company account)
    -845,260 GBP2024-06-30
    Officer
    2008-03-25 ~ 2023-05-16
    IIF 7 - Director → ME
    2008-03-25 ~ 2023-05-16
    IIF 11 - Secretary → ME
    Person with significant control
    2016-04-06 ~ 2021-12-22
    IIF 16 - Has significant influence or control → OE
  • 2
    APTAMER GROUP LIMITED - 2021-12-08
    BLUEBIRD 123 LIMITED - 2015-04-20
    Windmill House, Innovation Way, York, England
    Active Corporate (6 parents, 4 offsprings)
    Profit/Loss (Company account)
    -355,026 GBP2018-04-01 ~ 2019-03-31
    Officer
    2014-05-29 ~ 2023-05-16
    IIF 6 - Director → ME
    Person with significant control
    2016-05-30 ~ 2021-12-22
    IIF 15 - Ownership of shares – More than 25% but not more than 50% → OE
  • 3
    APTAMER DIAGNOSTICS LIMITED - 2012-05-03
    Windmill House, Innovation Way, York, England
    Active Corporate (3 parents)
    Equity (Company account)
    147,570 GBP2024-06-30
    Officer
    2012-04-12 ~ 2023-05-16
    IIF 8 - Director → ME
    Person with significant control
    2016-04-06 ~ 2021-12-22
    IIF 12 - Has significant influence or control → OE
  • 4
    APTASORT LIMITED - 2019-05-25
    Windmill House, Innovation Way, York, England
    Active Corporate (3 parents)
    Equity (Company account)
    -313,841 GBP2024-06-30
    Officer
    2014-05-28 ~ 2023-05-16
    IIF 10 - Director → ME
    Person with significant control
    2016-04-06 ~ 2021-12-22
    IIF 13 - Has significant influence or control → OE
  • 5
    APTAMER THERAPEUTICS LIMITED - 2019-05-25
    Windmill House, Innovation Way, York, England
    Active Corporate (3 parents)
    Equity (Company account)
    -81,591 GBP2024-06-30
    Officer
    2014-05-27 ~ 2023-05-16
    IIF 9 - Director → ME
    Person with significant control
    2016-04-06 ~ 2021-12-22
    IIF 14 - Has significant influence or control → OE

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