Microchip Technology Caldicot Limited

Active00705031 Private limited company

Incorporated: 5 October 1961 (65 years)
Previously known as: Microsemi Semiconductor Limited (until 1 April 2020)
Zarlink Semiconductor Limited (until 9 December 2011)
Mitel Semiconductor Limited (until 30 May 2001)
Earlier: Plessey Semiconductors Limited, Elcom (Northampton) Limited
Industry: Manufacture of electronic components (26110)
Directors: William Nicholas Edwards
James Eric Bjornholt
Owned by: Microchip Technology Incorporated
Accounts type: Full
Region: South East
Address: Microchip House 720 Wharfedale Road
Winnersh
Triangle
Wokingham, Berks
RG41 5TP

Filing status

Accounts due: 31 December 2027
Last accounts: 31 March 2026
Conf. stmt due: 7 August 2027
Last conf. stmt: 24 July 2026

Charges

Total: 4
Outstanding: 1
Part satisfied: 0
Satisfied: 3

Officers 3 active

Officer details are public data from the Companies House register.

Edwards, William Nicholas

Director · Appointed 21 April 2021

Also at Atmel North Tyneside Limited · more companies

British

Born September 1974 (52)

Bjornholt, James Eric

Director · Appointed 27 July 2018

Also at Microchip Technology (UK) Holdings Ltd, Atmel U.K. Holdings Limited, Microchip Limited · more companies

American

Born August 1970 (56)

Beach Secretaries Limited

Corporate Secretary · Appointed 18 May 2009

Also at Cazip Enerji Holdings Limited (proposed for strike-off), Top Protect UK Ltd, European Green Metals Ltd · more companies

Officer history (29 former)

17 June 2021

Resigned Sharif, Mohammed Nawaz as Director

21 April 2021

Appointed Edwards, William Nicholas as Director

27 July 2018

Appointed Bjornholt, James Eric as Director

27 July 2018

Appointed Sharif, Mohammed Nawaz as Director

27 July 2018

Resigned Lin, Mark Winyu as Director

17 November 2016

Appointed Lin, Mark Winyu as Director

17 November 2016

Resigned Ngo, Hoang Minh as Director

17 December 2013

Resigned Wallis, Annemarie as Director

30 November 2011

Resigned Lindsay, Christopher John as Director

30 November 2011

Appointed Wallis, Annemarie as Director

30 November 2011

Resigned Levaseur, Andre as Director

30 November 2011

Appointed Ngo, Hoang Minh as Director

30 November 2011

Resigned Ryan, James as Director

18 December 2009

Resigned Milligan, Scott as Director

18 December 2009

Appointed Levaseur, Andre as Director

18 May 2009

Appointed Lindsay, Christopher John as Director

18 May 2009

Appointed Beach Secretaries Limited as Corporate Secretary

17 April 2009

Resigned Cooper, Ian Trevelyan as Director

17 April 2009

Resigned Cooper, Ian Trevelyan as Secretary

12 December 2007

Appointed Ryan, James as Director

15 November 2007

Resigned Gallagher, Anthony Patrick as Director

12 January 2007

Resigned Voice, Mark Geoffrey as Director

31 August 2006

Appointed Cooper, Ian Trevelyan as Secretary

31 August 2006

Resigned Voice, Mark Geoffrey as Secretary

31 August 2006

Resigned Mcintyre, Don as Director

10 June 2005

Appointed Voice, Mark Geoffrey as Director

10 June 2005

Resigned Kyle, Peter as Director

10 June 2005

Appointed Voice, Mark Geoffrey as Secretary

10 June 2005

Resigned Kyle, Peter as Secretary

17 October 2003

Appointed Milligan, Scott as Director

29 August 2003

Resigned Carrier, Jean Jacques as Director

27 August 2002

Appointed Mcintyre, Don as Director

27 August 2002

Appointed Kyle, Peter as Director

31 May 2001

Resigned Cordeau, Francois as Director

31 May 2001

Resigned Mccrindle, Martin as Director

5 February 2001

Resigned Jones, Alan David as Director

5 February 2001

Appointed Mccrindle, Martin as Director

5 February 2001

Resigned Butcher, Paul Andrew as Director

7 July 2000

Appointed Cooper, Ian Trevelyan as Director

1 September 1998

Resigned Griffiths, Anthony Kerr as Secretary

1 September 1998

Appointed Kyle, Peter as Secretary

9 April 1998

Appointed Jones, Alan David as Director

9 April 1998

Resigned Urwin, Thomas as Director

12 February 1998

Appointed Carrier, Jean Jacques as Director

12 February 1998

Appointed Cordeau, Francois as Director

12 February 1998

Appointed Butcher, Paul Andrew as Director

23 March 1994

Appointed Griffiths, Anthony Kerr as Secretary

23 March 1994

Resigned Brierwood, John Frederick as Secretary

31 August 1993

Resigned Dixson, Maurice Christopher Scott, Dr as Director

2 August 1993

Appointed Urwin, Thomas as Director

30 June 1993

Resigned Dunn, Douglas John as Director

19 April 1993

Resigned Warren, Anthony William as Director

19 April 1993

Appointed Gallagher, Anthony Patrick as Director

13 August 1992

Appointed Brierwood, John Frederick as Secretary

13 August 1992

Resigned Warren, Anthony William as Secretary

27 March 1992

Appointed Warren, Anthony William as Secretary

27 March 1992

Resigned Brodie, Ian Duncan as Secretary

Ownership 1 active

People and entities with significant control, from the Companies House PSC register

Microchip Technology Incorporated

Corporate entity · Notified 29 May 2018

Owns 75–100% of shares

Holds 75–100% of voting rights

Right to appoint and remove directors

Corporation

Reg. no. 2187388

Former controllers (2)

29 May 2018

Ceased Microsemi Corporation — Owns 75–100% of shares

6 April 2016

Ceased Microsemi Ireland Holding Limited — Owns 75–100% of shares

Filings 232

Date	Description	Made Up To
13 October 2026	Full accounts	31 March 2026
7 August 2026	Confirmation statement with no updates	24 July 2026
6 August 2026	Replacement filing for the appointment of a director
24 June 2026	Register inspection address has been changed
24 June 2026	Register(s) moved to registered inspection location