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Sem Limited

00138006

active
ltd
england wales
Companies House
Health Score
85 / 100

Healthy

25/30
Filing
20/30
Financial
40/40
Risk
  • No accounts filed in last 18 months (-5)
  • Going concern doubt noted in accounts (-10)

Details

One Hundred House, Brunel Way, Dartford, DA1 5TH
Incorporated 17/10/1914

Previously known as

Small Electric Motors Limited · until 01/06/1988

Compliance

Last accounts

31/12/2024

full

Next accounts due

30/09/2026

On track

Confirmation statement

Last: 23/01/2026

Due 06/02/2027

On track

Industry

27110
Manufacture of electric motors, generators and transformers

Officers

Thomas Peter Walther

director · Since 31/05/2007

JOINT MANAGING DIRECTOR

GERMAN · GERMANY · Age 62

Also on 2 other boards

Mr Phillip John Watkins

director · Since 01/05/2024

DIRECTOR

BRITISH · ENGLAND · Age 57

Thomas Peter Walther

director · Since 31/05/2007

German · Germany · Age 62

Phillip John Watkins

director · Since 01/05/2024

British · England · Age 57

Former

Nicholas Vincent Turnbull

director · Resigned 10/11/1992

Robert John Steel

director · Resigned 22/12/1993

Nigel Albert Penny

director · Resigned 25/08/1995

Henry Richard Balmer

director · Resigned 25/01/1996

Richard John Bacon

director · Resigned 07/04/1997

Henry Richard Balmer

director · Resigned 01/04/1999

Gordon Bond

director · Resigned 25/11/1999

Ian Charles Griffiths

director · Resigned 25/11/1999

Arthur John Witt

director · Resigned 11/02/2001

Ian Godfrey Minshall

secretary · Resigned 01/05/2001

Ian Godfrey Minshall

director · Resigned 01/05/2001

Alan Geoffrey Hopes

director · Resigned 01/06/2002

Ernst Ignaz Benedikt Schwefel

director · Resigned 10/07/2003

Wolf Rainer Burkhard

director · Resigned 10/07/2003

Rainer Hagl

director · Resigned 16/02/2004

Gerhard Hagenau

director · Resigned 22/11/2006

Ewan Stephen Miller

director · Resigned 31/05/2007

Michael Alexander Laming

secretary · Resigned 01/10/2020

Michael Alexander Laming

director · Resigned 01/10/2020

Fiona Blyth

director · Resigned 30/04/2024

Persons with Significant Control

Westec Holding Company Limited

75–100% shares

200, London Road, Burgess Hill, RH15 9RD

Reg: 03871242 · England · Limited Company

Notified 06/04/2016

Change History

statusactive
2026-07-12

Active

typeltd
2026-07-12

Private Limited Company

address line1One Hundred House
2026-07-12

ONE HUNDRED HOUSE

post townDartford
2026-07-12

DARTFORD

CompanyRankvs 15+ SIC 27110 peers
80

Financial strength100th percentile among SIC peers · 25/25
Employees99th percentile among SIC peers · 15/15
LiquidityCurrent ratio 10.88× · 20/20
Longevity15 years trading (max 15) · 15/15
Filing complianceAll filings up to date · 15/15
Going concern doubt -10
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How is this score calculated?
Financial strength25/25 pts

Net worth compared to all companies in the same SIC code with published accounts. Top quartile earns the full 25 points.

Employees15/15 pts

Workforce size relative to sector peers from the most recent accounts. A larger team generally signals commercial scale.

Liquidity20/20 pts

Current assets ÷ current liabilities. A ratio above 2× earns full marks; between 1–2× scores partially; below 0.5× scores minimal points.

Longevity15/15 pts

One point per year of operation since incorporation, capped at 15. Older companies have a proven track record.

Filing compliance15/15 pts

Full 15 points when both annual accounts and confirmation statement are filed on time. Points are deducted for each overdue filing.

Risk deductions

Going concern doubt: -10 pts

Maximum score is 100. Deductions apply for insolvency history, outstanding charges, going concern doubt, or disqualified officers.

Going Concern Doubt

steps that they ought to have taken as directors in order to make themselves aware of all relevant audit information and to establish that the company’s auditor is aware of that information. Going concern No material uncertainties that may cast significant doubt about the ability of the company to continue as a going concern have been identified by the directors. Medium-sized companies ex

Key FinancialsYear ending 31/12/2024

Turnover

£17.8M

Annual revenue

Net Worth

£30.4M

Balance sheet strength

Cash

£4.7M

Cash in the bank

Profit Before Tax

£1.4M

Bottom line earnings

Net Current Assets

£13.6M

Working capital

Current Assets

£15.0M

Current Liabilities

£1.4M

Fixed Assets

£17.1M

Debtors

£3.7M

Admin Expenses

£3.0M

Operating Profit

£1.1M

Profit After Tax

£1.1M

133avg. employees+2

Tax at Year End

Corp tax£0

People Costs

Wages & salaries£4.9M
NI contributions£519k

Balance Sheet

Assets less current liabilities£30.7M
Prepared with CCH Software

EstimatesDerived

YearCurrent RatioImplied Profit
202410.88-£3.9M
20238.57

Derived from filed accounts. Not audited figures.