Filing status
- Accounts due
- 30 June 2027
- Last accounts
- 30 September 2025
- Conf. stmt due
- 1 April 2027
- Last conf. stmt
- 18 March 2026
Siemens Electronic Design Automation Ltd
- Incorporated
- 27 January 1983 (43 years)
- Previously known as
- Mentor Graphics (UK) Limited (until 1 October 2021)Trushelfco (No. 528) Limited (until 27 April 1983)
- Industry
- Other information technology service activities (62090)
- Directors
- Geoffrey Lee
- Accounts type
- Full
- Region
- South East
- Address
- Pinehurst 2 Pinehurst RoadFarnboroughGU14 7BF
Officers 2 active
Officer details are public data from the Companies House register.
Lee, Geoffrey
Director · Appointed 29 December 2023
British
Born December 1966 (59)
Director · Appointed 6 June 2023
British
Born December 1972 (53)
Officer history (25 former)
29 December 2023
Appointed Lee, Geoffrey as Director
29 December 2023
6 June 2023
1 June 2023
19 October 2022
Resigned Moriarty, Hugh Robert as Secretary
17 December 2021
Appointed Moriarty, Hugh Robert as Secretary
13 December 2021
Resigned Kahanov, Sharon Hana as Secretary
1 March 2021
1 March 2021
1 June 2020
Appointed Kahanov, Sharon Hana as Secretary
1 June 2020
Resigned Davina, Simone Eufemia Agatha as Secretary
30 June 2017
30 June 2017
Appointed Davina, Simone Eufemia Agatha as Secretary
30 June 2017
30 June 2017
Resigned Freed, Dean Mac Lean as Director
30 June 2017
Resigned Vermijs, Walter Ernest as Director
1 November 2015
Resigned Simpson, Christine Ffoulkes as Secretary
24 November 2009
Resigned O'Mara, John as Director
24 September 2009
Appointed Vermijs, Walter Ernest as Director
26 October 2007
Resigned Krak, Erwin as Director
26 October 2007
Appointed O'Mara, John as Director
26 March 2007
Appointed Krak, Erwin as Director
29 March 2006
Resigned Berry, Laurence as Secretary
29 March 2006
Resigned Berry, Laurence as Director
27 March 2006
Appointed Simpson, Christine Ffoulkes as Secretary
26 May 2005
Appointed Berry, Laurence as Director
23 March 2005
Resigned Gray, Daniel as Director
7 May 2004
1 October 2002
Appointed Gray, Daniel as Director
5 June 2002
Resigned Taylor, Edward as Director
15 October 2001
Resigned Popp, Karsten as Director
1 July 2001
Appointed Taylor, Edward as Director
1 July 2001
Resigned Bartlett, James Carnegy as Director
1 July 2001
1 January 2001
Resigned Windele, Hanns Joachim as Director
31 December 2000
Appointed Berry, Laurence as Secretary
31 December 2000
Resigned Taylor, Edward as Secretary
1 October 1998
Appointed Taylor, Edward as Secretary
30 September 1998
Resigned Arnold, Clive Roderick as Secretary
28 July 1998
Appointed Windele, Hanns Joachim as Director
5 June 1998
Resigned Goldsworth, David Malcolm as Director
7 January 1998
Appointed Bartlett, James Carnegy as Director
7 January 1998
Appointed Popp, Karsten as Director
14 February 1997
Resigned Caraes, Jean-Claude, Monsieur as Director
20 August 1996
Appointed Freed, Dean Mac Lean as Director
22 July 1996
Resigned Delia, Frank Stanley as Director
21 May 1993
Resigned Moffenbeir, David Charles as Director
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 1 April 2020
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Limited By Shares
Reg. no. 03476850
Former controllers (2)
1 April 2020
Ceased Siemens Aktiengesellschaft — Owns 75–100% of shares
30 March 2017
Ceased Mentor Graphics Corporation — Owns 75–100% of shares
Filings 182
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 11 July 2026 | Full accounts | 30 September 2025 | ||
| 19 March 2026 | Confirmation statement with no updates | 18 March 2026 | ||
| 8 December 2025 | Full accounts | 30 September 2024 | ||
| 21 March 2025 | Confirmation statement with no updates | 18 March 2025 | ||
| 5 June 2024 | Full accounts | 30 September 2023 |
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