Company
SEM Limited
SEM Limited is an active UK company (number 00138006), incorporated 1914, with 2 current directors, Phillip John Watkins and Thomas Peter Walther. Source: Companies House, updated 11th October 2026.
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Official record Companies House · updated 11th October 2026 · Sources · Free, no card or password
Network
The large node is SEM Limited. Red nodes are organisations, white nodes are people. Dashed links are historical or inferred. Click any node to explore.
Who leads it
Previous officers 17
- Fiona Blyth 2017-2024 View profile
- Gerhard Hagenau 2004-2006 View profile
- Dr Rainer Hagl 2003-2004 View profile
- Michael Alexander Laming 2001-2020 View profile
- Ian Charles Griffiths 1999-1999 View profile
- Wolf Rainer Burkhard 1999-2003 View profile
- Ernst Ignaz Benedikt Schwefel 1999-2003 View profile
- Henry Richard Balmer 1997-1999 View profile
- Richard John Bacon 1995-1997 View profile
- Gordon Bond 1994-1999 View profile
- Nigel Albert Penny 1992-1995 View profile
- Arthur John Witt 2001 View profile
- Nicholas Vincent Turnbull 1992 View profile
- Alan Geoffrey Hopes 2002 View profile
- Ewan Stephen Miller 2007 View profile
- Robert John Steel 1993 View profile
- Ian Godfrey Minshall 2001 View profile
Directors and secretaries as filed at Companies House.
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About
- Incorporated
- 17/10/1914
Ownership
Owned by (1) iOwned byIndividuals and companies registered as having significant control over this company, from the Companies House PSC (persons with significant control) register. People whose ownership could not be confirmed to one individual are not listed as confirmed owners.
- Westec Holding Company Limited
75-100% shares · notified 2016-04-06
Group
- SEM Limited
is controlled by Westec Holding Company Limited
Evidence
active 75-100% shares · notified 2016-04-06 · source: Companies House PSC register
Ultimately controlled by Westec Holding Company Limited.
3 other companies in this group
- Heidenhain GB Limited
- Small Electric Motors Limited (no longer on the register)
- Westec Holding Company Limited
Ownership paths are calculated from Companies House persons-with-significant-control filings. Each step shows the filed nature of control and dates; a step marked "ceased" is historical, not current.
Financials
- Net assets
- £30,406,862
- Total assets
- £30,719,704
- Cash
- £4,739,624
- Employees
- 1.33
- Turnover
- £17,809,413
- Profit/loss
- £1,115,147
Filed as Full accounts.
Figures from accounts filed at Companies House (iXBRL), period ending 2024-12-31. Where turnover is absent, small and micro-entity accounts are not required to report it, so it is not shown as zero.
Board analysis
Board DNA
How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current directors only, past directors excluded.
2 directors on the board
- Thomas Peter Walther Director · appointed 2007
- Phillip John Watkins Director · appointed 2024
Directors past 6 years
- Thomas Peter Walther Director · appointed 2007
First-time vs portfolio directors
First-time (1)
- Thomas Peter Walther Director · appointed 2007
Portfolio (1)
- Phillip John Watkins Director · appointed 2024
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- 00138006
- Status
- Active
- Type
- Private Limited Company
- Edition
- Register edition compiled 11th October 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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