SEM LIMITED
Company number 00138006 · Monitor this company
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Shareholders' funds
£33,400,000
Balance sheet as at 2025-12-31
What it does
The principal activity of the company continued to be that of the design and manufacture of electric
The company's own description, from its latest filed accounts.
Overview
- Company type
- Private Limited Company
- Incorporated
- 1914-10-17
- Employees
- 132 (2025 accounts · was 133 in 2024)
- Registered office
- One Hundred House, Brunel Way, Dartford, DA1 5TH
- Postcode
- DA1 5TH
- Capital
- 35,400,000 GBP
- Accounts category
- Full
- Charges
- 1 outstanding
Accounts
- Last made up to
- 2025-12-31
- Next due by
- 2027-09-30
- Financial year end
- 31 December
Confirmation statement
- Last statement dated
- 2026-01-23
- Next due by
- 2027-02-06
Nature of business (SIC)
- 27110 Manufacture of electric motors, generators and transformers
Officers 4 current · 18 resigned
Group structure 1 subsidiary
Controlled by WESTEC HOLDING COMPANY LIMITED — since 2016-04-06
-
SMALL ELECTRIC MOTORS LIMITED Dissolved
From persons-with-significant-control filings on the public register.
Contact details
- Website
- sem.uk
- Phone
- 03031231113
SEM is a world class manufacturer of AC permanent servomotors and asynchronous spindle motors focused on the machine tool industry.
Previous company names
| Name | Date changed |
|---|---|
| SMALL ELECTRIC MOTORS LIMITED | 1988-06-01 |
Previous registered addresses 2
| Address | Changed on |
|---|---|
| FARADAY HOUSE, FARADAY WAY, ORPINGTON, BR5 3QT | 2015-07-09 |
| KANGLEY BRIDGE RD., SYDENHAM, LONDON SE26 5AS | 1999-06-25 |
Among its peers
Top 10%
by shareholders' funds, of 23 similar companies in DA — measured against the wider sector
2nd largest employer among its local peers (132 staff).
The oldest of its local peers, trading since 1914.
Property in England & Wales 1 title
- Freehold
- 1
- Most recent registration
- 2014-03-13
- Price paid, where recorded
- £4,680,000
- Where
- Kent
| Title number | County | Tenure | Registered | Price paid |
|---|---|---|---|---|
| TT23123 | Kent | Freehold | 2014-03-13 | £4,680,000 |
For addresses and the authoritative register entry, use HM Land Registry's official search (£3 per title).
Information produced by HM Land Registry. © Crown copyright 2026. Dataset as at 2026-08.