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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 3
  • 1
    Tyerman, Michael
    Accountant born in September 1978
    Individual (6 offsprings)
    Officer
    2019-11-07 ~ dissolved
    OF - Director → CIF 0
  • 2
    Moynihan, Maura Eilis, Dr
    Solicitor born in December 1959
    Individual (1 offspring)
    Officer
    2016-04-13 ~ dissolved
    OF - Director → CIF 0
    Moynihan, Maura Eilis
    Individual (1 offspring)
    Officer
    2010-11-16 ~ dissolved
    OF - Secretary → CIF 0
  • 3
    ISOTEK (HOLDINGS) LIMITED - now 03398090
    FOXEAST LIMITED - 1997-12-11
    Filtronic House 3 Airport West, Lancaster Way, Yeadon, Leeds, England
    Active Corporate (4 parents, 2 offsprings)
    Person with significant control
    2016-04-06 ~ dissolved
    PE - Ownership of shares – 75% or moreCIF 0
Ceased 12
  • 1
    Clegg, Anthony Paul
    Company Secretary
    Individual (1 offspring)
    Officer
    1994-10-17 ~ 1997-06-09
    OF - Secretary → CIF 0
  • 2
    Rhodes, Barbara Margaret
    Housewife born in January 1943
    Individual (1 offspring)
    Officer
    1994-05-31 ~ 2010-11-16
    OF - Director → CIF 0
  • 3
    Mardia, Hemant Kumar
    Engineer born in November 1961
    Individual (5 offsprings)
    Officer
    2010-11-16 ~ 2012-09-21
    OF - Director → CIF 0
  • 4
    Convey, Peter Daniel
    Individual
    Officer
    1997-07-21 ~ 2008-04-21
    OF - Secretary → CIF 0
  • 5
    Rhodes, John David, Professor
    Electronic Engineer born in October 1943
    Individual (1 offspring)
    Officer
    1994-05-31 ~ 2010-11-16
    OF - Director → CIF 0
  • 6
    Brennan, Michael Peter
    Accountant born in July 1960
    Individual
    Officer
    2010-11-16 ~ 2014-04-15
    OF - Director → CIF 0
  • 7
    Samuel, John William Young Strachan
    Chartered Accountant
    Individual (49 offsprings)
    Officer
    1994-05-31 ~ 1994-10-17
    OF - Secretary → CIF 0
  • 8
    Smith, Robert St John
    Accountant born in March 1964
    Individual (2 offsprings)
    Officer
    2014-06-18 ~ 2019-10-31
    OF - Director → CIF 0
  • 9
    Armstrong, Michael Anthony Patrick, Doctor
    Company Director born in February 1953
    Individual
    Officer
    1995-04-04 ~ 2010-11-16
    OF - Director → CIF 0
  • 10
    Needle, Alan Robert
    Managing Director born in December 1954
    Individual (1 offspring)
    Officer
    2012-09-21 ~ 2015-03-13
    OF - Director → CIF 0
  • 11
    YORK PLACE COMPANY SECRETARIES LIMITED
    02538096
    12 York Place, Leeds, West Yorkshire
    Dissolved Corporate (4 parents, 50 offsprings)
    Equity (Company account)
    2 GBP2022-01-31
    Officer
    1994-04-14 ~ 1994-05-31
    PE - Nominee Secretary → CIF 0
  • 12
    YORK PLACE COMPANY NOMINEES LIMITED
    02538098
    12 York Place, Leeds, West Yorkshire
    Dissolved Corporate (4 parents, 36 offsprings)
    Equity (Company account)
    2 GBP2022-01-31
    Officer
    1994-04-14 ~ 1994-05-31
    PE - Nominee Director → CIF 0
parent relation
Company in focus

ISOTEK LIMITED

Previous name
HELLERA LIMITED - 1994-07-08
Standard Industrial Classification
70100 - Activities Of Head Offices

Related profiles found in government register
  • ISOTEK LIMITED
    Info
    HELLERA LIMITED - 1994-07-08
    Registered number 02919177
    Filtronic House 3 Airport West, Lancaster Way Yeadon, Leeds, West Yorkshire LS19 7ZA
    PRIVATE LIMITED COMPANY incorporated on 1994-04-14 and dissolved on 2021-07-20 (27 years 3 months). The company status is Dissolved.
    CIF 0
  • ISOTEK LIMITED
    S
    Registered number 0291977
    Filtronic House, 3 Airport West, Lancaster Way, Yeadon, West Yorkshire, England, LS19 7ZA
    ENGLAND AND WALES
    CIF 1
child relation
Offspring entities and appointments
Active 1
  • FILTRONIC COMTEK (UK) LIMITED
    - now 02700306
    FILTRONIC COMTEK LIMITED - 1994-07-13
    TRENTBELL LIMITED - 1992-05-12
    Flitronic House 3 Airport West, Yeadon, Leeds, West Yorkshire
    Dissolved Corporate (1 parent)
    Officer
    2015-03-13 ~ dissolved
    CIF 1 - Director → ME

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