logo
explain how to read the page

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

Dr John Stephen Hartas

    Related profiles found in government register
  • Dr John Stephen Hartas
    British born in February 1958

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Hartas, John Stephen, Dr
    British born in February 1958

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 5&6 Manor Court, Manor Garth, Scarborough, North Yorkshire, YO11 3TU, England

      IIF 10 IIF 11 IIF 12
    • 5&6, Manor Court, Manor Garth, Scarborough, North Yorkshire, YO11 3TU, United Kingdom

      IIF 17
    • Unit A3, St Hilda's Business Centre, The Ropery, Whitby, North Yorkshire, YO22 4ET, England

      IIF 18
  • Hartas, John Stephen, Dr
    British director born in February 1958

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Dalmar House, Barras Lane Estate, Dalston, Carlisle, CA5 7NY, United Kingdom

      IIF 19
    • 5&6 Manor Court, Manor Garth, Scarborough, North Yorkshire, YO11 3TU, England

      IIF 20 IIF 21
    • 62/63, Westborough, Scarborough, North Yorkshire, YO11 1TS, United Kingdom

      IIF 22 IIF 23
    • 16 Elm Grove, Whitby, North Yorkshire, YO21 1JA, England

      IIF 24
  • Hartas, John Stephen, Dr
    British managing director born in February 1958

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Dalmar House, Barras Lane Estate, Dalston, Carlisle, CA5 7NY, United Kingdom

      IIF 25
    • 5&6 Manor Court, Manor Garth, Scarborough, North Yorkshire, YO11 3TU, England

      IIF 26
    • 62/63 Westborough, Scarborough, North Yorkshire, YO11 1TS, England

      IIF 27
    • Unit F16, The Ropery, Whitby, YO22 4ET, England

      IIF 28 IIF 29
  • Hartas, John Stephen, Dr
    born in February 1958

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 6, Newton Street, Whitby, North Yorkshire, YO21 1QX, United Kingdom

      IIF 30
child relation
Offspring entities and appointments
Active 16
  • 1
    5&6 Manor Court Manor Garth, Scarborough, North Yorkshire, England
    Active Corporate (1 parent)
    Equity (Company account)
    10,791 GBP2024-03-31
    Officer
    2007-03-01 ~ now
    IIF 11 - Director → ME
    Person with significant control
    2020-07-15 ~ now
    IIF 4 - Ownership of shares – More than 50% but less than 75%OE
    IIF 4 - Right to appoint or remove directorsOE
    IIF 4 - Ownership of voting rights - More than 50% but less than 75%OE
  • 2
    5&6 Manor Court Manor Garth, Scarborough, North Yorkshire, United Kingdom
    Active Corporate (2 parents)
    Equity (Company account)
    5,222 GBP2024-05-31
    Officer
    2023-05-08 ~ now
    IIF 18 - Director → ME
  • 3
    Unit F16 The Ropery, Whitby, England
    Active Corporate (3 parents)
    Officer
    2024-02-09 ~ now
    IIF 28 - Director → ME
  • 4
    30 Finsbury Square, London
    Dissolved Corporate (75 parents)
    Officer
    2012-10-23 ~ dissolved
    IIF 30 - LLP Member → ME
  • 5
    5&6 Manor Court, Manor Garth, Scarborough, North Yorkshire, United Kingdom
    Active Corporate (3 parents)
    Officer
    2024-01-30 ~ now
    IIF 17 - Director → ME
  • 6
    5&6 Manor Court Manor Garth, Scarborough, North Yorkshire, England
    Active Corporate (2 parents)
    Equity (Company account)
    -1,596 GBP2024-03-31
    Officer
    2019-08-14 ~ now
    IIF 15 - Director → ME
    Person with significant control
    2019-08-14 ~ now
    IIF 3 - Ownership of shares – More than 25% but not more than 50%OE
    IIF 3 - Ownership of voting rights - More than 25% but not more than 50%OE
  • 7
    5&6 Manor Court Manor Garth, Scarborough, North Yorkshire, England
    Active Corporate (1 parent, 1 offspring)
    Equity (Company account)
    90,133 GBP2024-03-31
    Officer
    2013-08-23 ~ now
    IIF 10 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 6 - Ownership of voting rights - 75% or moreOE
    IIF 6 - Ownership of shares – 75% or moreOE
  • 8
    16 Elm Grove, Whitby, England
    Dissolved Corporate (2 parents)
    Equity (Company account)
    -85 GBP2022-03-31
    Officer
    2021-11-26 ~ dissolved
    IIF 24 - Director → ME
    Person with significant control
    2021-11-26 ~ dissolved
    IIF 9 - Ownership of shares – More than 25% but not more than 50%OE
    IIF 9 - Ownership of voting rights - More than 25% but not more than 50%OE
  • 9
    SYNTHESYS RESEARCH LIMITED - 2023-12-20
    5&6 Manor Court Manor Garth, Scarborough, North Yorkshire, England
    Active Corporate (2 parents)
    Equity (Company account)
    -12,495 GBP2024-03-31
    Officer
    2021-03-10 ~ now
    IIF 16 - Director → ME
    Person with significant control
    2024-06-25 ~ now
    IIF 5 - Ownership of voting rights - More than 50% but less than 75%OE
    IIF 5 - Right to appoint or remove directorsOE
    IIF 5 - Ownership of shares – More than 50% but less than 75%OE
  • 10
    5&6 Manor Court Manor Garth, Scarborough, North Yorkshire, England
    Active Corporate (2 parents)
    Equity (Company account)
    29,500 GBP2024-03-31
    Officer
    2024-07-25 ~ now
    IIF 14 - Director → ME
    Person with significant control
    2024-11-25 ~ now
    IIF 8 - Ownership of voting rights - 75% or moreOE
    IIF 8 - Ownership of shares – 75% or moreOE
  • 11
    Unit F16 The Ropery, Whitby, England
    Dissolved Corporate (2 parents)
    Officer
    2022-07-14 ~ dissolved
    IIF 29 - Director → ME
  • 12
    62/63 Westborough, Scarborough, North Yorkshire, United Kingdom
    Dissolved Corporate (4 parents)
    Equity (Company account)
    100 GBP2019-05-31
    Officer
    2018-05-22 ~ dissolved
    IIF 23 - Director → ME
  • 13
    5&6 Manor Court Manor Garth, Scarborough, North Yorkshire, England
    Active Corporate (2 parents)
    Equity (Company account)
    88 GBP2024-03-31
    Officer
    2021-12-22 ~ now
    IIF 12 - Director → ME
    Person with significant control
    2024-11-25 ~ now
    IIF 2 - Ownership of shares – 75% or moreOE
    IIF 2 - Ownership of voting rights - 75% or moreOE
    IIF 2 - Right to appoint or remove directorsOE
  • 14
    RESOLUTION UAV SERVICES LIMITED - 2017-02-08
    62/63 Westborough, Scarborough, North Yorkshire, United Kingdom
    Dissolved Corporate (2 parents)
    Equity (Company account)
    5,269 GBP2020-03-31
    Officer
    2015-05-22 ~ dissolved
    IIF 22 - Director → ME
  • 15
    5&6 Manor Court Manor Garth, Scarborough, North Yorkshire, England
    Dissolved Corporate (2 parents)
    Equity (Company account)
    2,023 GBP2021-03-31
    Officer
    2017-03-14 ~ dissolved
    IIF 21 - Director → ME
  • 16
    SYNTHESYS SYSTEMS ENGINEERING LIMITED - 2019-07-27
    Ground Floor, Baird House, Seebeck Place, Knowlhill, Milton Keynes
    Liquidation Corporate (3 parents)
    Officer
    2018-03-28 ~ now
    IIF 13 - Director → ME
Ceased 4
  • 1
    5&6 Manor Court Manor Garth, Scarborough, North Yorkshire, United Kingdom
    Active Corporate (2 parents)
    Equity (Company account)
    5,222 GBP2024-05-31
    Person with significant control
    2024-11-25 ~ 2025-05-01
    IIF 7 - Ownership of voting rights - 75% or more OE
    IIF 7 - Ownership of shares – 75% or more OE
    IIF 7 - Right to appoint or remove directors OE
  • 2
    5&6 Manor Court Manor Garth, Scarborough, North Yorkshire, England
    Active Corporate (2 parents)
    Equity (Company account)
    29,500 GBP2024-03-31
    Officer
    2021-03-19 ~ 2021-05-01
    IIF 27 - Director → ME
    2023-12-15 ~ 2024-05-24
    IIF 26 - Director → ME
  • 3
    SYNTHESYS SYSTEMS DEFENCE LIMITED - 2018-05-16
    Dalmar House Barras Lane Estate, Dalston, Carlisle, United Kingdom
    Active Corporate (3 parents)
    Equity (Company account)
    236,963 GBP2024-12-31
    Officer
    2018-05-08 ~ 2024-03-05
    IIF 20 - Director → ME
    2024-04-08 ~ 2025-03-05
    IIF 19 - Director → ME
  • 4
    SYNTHESYS SYSTEMS ENGINEERS LIMITED - 2025-03-05
    ESTAGOLD COMPUTERS LIMITED - 1988-04-06
    Dalmar House Barras Lane Estate, Dalston, Carlisle, United Kingdom
    Active Corporate (3 parents, 5 offsprings)
    Equity (Company account)
    -323,615 GBP2024-12-31
    Officer
    ~ 2025-03-05
    IIF 25 - Director → ME
    Person with significant control
    2016-04-06 ~ 2024-11-22
    IIF 1 - Ownership of shares – 75% or more OE

The content of this website is protected by AgonGuard.

© 2022- Polylogarithmic Technology Ltd (Registered in England and Wales No. 14256313). All rights reserved.

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