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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 29
  • 1
    Simpson, George, Lord
    Born in July 1942
    Individual (25 offsprings)
    Officer
    1999-10-04 ~ 2001-09-04
    OF - Director → CIF 0
  • 2
    Castell, William Martin, Sir
    Born in April 1947
    Individual (22 offsprings)
    Officer
    1999-10-04 ~ 2002-10-08
    OF - Director → CIF 0
  • 3
    Smith, Kevin David
    Individual (60 offsprings)
    Officer
    2003-08-04 ~ 2007-09-24
    OF - Secretary → CIF 0
  • 4
    Richard Heis
    Individual (1 offspring)
    Insolvency
    2006-10-27 ~ now
    IP - (Case 1) practitioner → CIF 0
  • 5
    Dunn, Lydia Selina, Baroness
    Born in February 1940
    Individual (11 offsprings)
    Officer
    1999-10-04 ~ 2002-04-11
    OF - Director → CIF 0
  • 6
    Koepf, Werner Karl
    Born in January 1942
    Individual (6 offsprings)
    Officer
    2002-12-16 ~ 2003-05-19
    OF - Director → CIF 0
  • 7
    John David Thomas Milsom
    Individual (1 offspring)
    Insolvency
    2013-08-14 ~ now
    IP - (Case 1) practitioner → CIF 0
  • 8
    Donovan, Michael John
    Born in May 1953
    Individual (21 offsprings)
    Officer
    2000-01-01 ~ 2003-08-04
    OF - Director → CIF 0
  • 9
    Stapleton, Nigel John
    Born in November 1946
    Individual (42 offsprings)
    Officer
    1999-10-04 ~ 2002-10-08
    OF - Director → CIF 0
  • 10
    Hare, Steve
    Born in April 1961
    Individual (21 offsprings)
    Officer
    2001-04-10 ~ 2002-11-14
    OF - Director → CIF 0
  • 11
    Devaney, John Francis
    Born in June 1946
    Individual (52 offsprings)
    Officer
    2002-12-16 ~ 2003-05-19
    OF - Director → CIF 0
  • 12
    Porter, Norman Charles
    Born in November 1951
    Individual (187 offsprings)
    Officer
    1999-09-17 ~ 1999-10-04
    OF - Director → CIF 0
    Porter, Norman Charles
    Individual (187 offsprings)
    Officer
    1999-09-17 ~ 2002-07-18
    OF - Secretary → CIF 0
  • 13
    Parton, Michael William John
    Born in September 1954
    Individual (43 offsprings)
    Officer
    2000-01-01 ~ 2003-08-04
    OF - Director → CIF 0
  • 14
    Bonham, Derek Charles
    Born in July 1943
    Individual (61 offsprings)
    Officer
    2001-04-10 ~ 2003-05-19
    OF - Director → CIF 0
  • 15
    Shaw, Christopher James
    Born in June 1953
    Individual (1 offspring)
    Officer
    2003-08-04 ~ 2007-09-06
    OF - Director → CIF 0
  • 16
    Reid, Damian Hugh
    Born in August 1962
    Individual (13 offsprings)
    Officer
    1999-09-17 ~ 1999-10-04
    OF - Director → CIF 0
  • 17
    Holden, Christopher Charles
    Born in November 1948
    Individual (12 offsprings)
    Officer
    2002-11-14 ~ 2003-09-25
    OF - Director → CIF 0
  • 18
    Skelly, Mary Angela
    Individual (50 offsprings)
    Officer
    2002-07-18 ~ 2003-08-04
    OF - Secretary → CIF 0
  • 19
    Jeremy Simon Spratt
    Individual (656 offsprings)
    Insolvency
    2006-10-27 ~ 2013-08-14
    IP - (Case 1) practitioner → CIF 0
  • 20
    Mayo, John Charles
    Born in April 1956
    Individual (47 offsprings)
    Officer
    1999-10-04 ~ 2001-07-06
    OF - Director → CIF 0
  • 21
    White, John Jameson
    Born in July 1938
    Individual (8 offsprings)
    Officer
    2003-08-04 ~ 2007-08-14
    OF - Director → CIF 0
  • 22
    Rudge, Alan Walter, Sir
    Born in October 1937
    Individual (15 offsprings)
    Officer
    1999-10-04 ~ 2002-12-16
    OF - Director → CIF 0
  • 23
    Atkinson, Michael Kent
    Born in May 1945
    Individual (19 offsprings)
    Officer
    2002-12-16 ~ 2003-05-19
    OF - Director → CIF 0
  • 24
    Harding, Christopher George Francis, Sir
    Born in October 1939
    Individual (19 offsprings)
    Officer
    1999-10-04 ~ 1999-12-13
    OF - Director → CIF 0
  • 25
    Thomas, Allen Lloyd
    Born in September 1939
    Individual (47 offsprings)
    Officer
    2002-05-20 ~ 2003-03-14
    OF - Director → CIF 0
  • 26
    Meakin, Robert Ian
    Born in August 1949
    Individual (16 offsprings)
    Officer
    1999-10-04 ~ 2002-03-01
    OF - Director → CIF 0
  • 27
    Robinson, Richard Anthony
    Born in October 1947
    Individual (23 offsprings)
    Officer
    2003-09-25 ~ 2007-09-03
    OF - Director → CIF 0
  • 28
    Hurn, Francis Roger, Sir
    Born in June 1938
    Individual (19 offsprings)
    Officer
    1999-10-04 ~ 2001-09-04
    OF - Director → CIF 0
  • 29
    Seitz, Raymond George Hardenbergh, The Honourable
    Born in December 1940
    Individual (14 offsprings)
    Officer
    1999-10-04 ~ 2002-12-16
    OF - Director → CIF 0
parent relation
Company in focus

M (2003) PLC

Period: 2003-10-21 ~ 2014-02-05
Company number: 03846429
Registered names
M (2003) PLC - Dissolved
Insolvency (Case 1) Members voluntary liquidation
Commencement of winding up on 2006-10-27
Dissolved on 2014-02-05
MARCONI PLC - 2003-10-21
Standard Industrial Classification
7415 - Holding Companies Including Head Offices

  • M (2003) PLC
    Info
    MARCONI PLC - 2003-10-21
    Registered number 03846429
    8 Salisbury Square, London EC4Y 8BB
    PUBLIC LIMITED COMPANY incorporated on 1999-09-17 and dissolved on 2014-02-05 (14 years 4 months). The status of the company number is Dissolved.
    CIF 0
child relation
Offspring entities and appointments 0
  • Not found in our database.

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Contains public sector information retrieved at 14 July 2026 and licensed under the Open Government Licence v3.0.