SIC code 43210
Electrical installation
There are about 56,100 active UK companies registered under SIC code 43210 (Electrical installation), as of October 2026.
Live figures, the full list, more filters, and CSV export.
On the register
Share of these companies on the live register, by status.
- Active 84%
- Proposal to strike off 14%
- In insolvency or administration 3%
New registrations
Companies registered each month, October 2025 – September 2026, that are still on the register. See registrations by month across all companies.
Show the figures
| Month | Companies |
|---|---|
| October 2025 | 668 |
| November 2025 | 552 |
| December 2025 | 412 |
| January 2026 | 720 |
| February 2026 | 659 |
| March 2026 | 919 |
| April 2026 | 801 |
| May 2026 | 603 |
| June 2026 | 597 |
| July 2026 | 674 |
| August 2026 | 566 |
| September 2026 | 661 |
Company age
How long the active companies have been registered.
- Under 1 year 14%
- 1–3 years 18%
- 3–5 years 14%
- 5–10 years 23%
- 10–20 years 21%
- 20 years or more 11%
Where they're registered
Active companies by postcode area of their registered office.
- Birmingham (B) 1,500
- Belfast (BT) 1,160
- Chelmsford (CM) 1,060
- Nottingham (NG) 1,030
- Sheffield (S) 1,010
- North London (N) 963
- Glasgow (G) 927
- East London (E) 926
- Southend-on-Sea (SS) 914
- Portsmouth (PO) 851
Note: Location figures use the registered office address from Companies House. Many companies register at an accountant's or formation agent's address, which may differ from where they trade.
Recently registered companies
Active companies recently registered under SIC code 43210.
| Company | Number | Registered | Town |
|---|---|---|---|
| CG ELECTRICAL LTD | 17496871 | 2 Oct 2026 | London |
| CASTLE INSTALLS LTD | 17496808 | 2 Oct 2026 | Paddock Wood |
| ARGUS FIRE SECURITY COMPLIANCE LTD | 17496477 | 2 Oct 2026 | Darlington |
| BORGES ELECTRICAL SERVICES LTD | 17496469 | 2 Oct 2026 | London |
| STEALTH CHAOS LTD | 17496466 | 2 Oct 2026 | Sutton Coldfield |
| FINOKKHI BUILDERS LTD | 17496401 | 2 Oct 2026 | London |
| FULL ELECTRICAL SERVICES COMPANY GROUP LTD | 17496359 | 2 Oct 2026 | Reading |
| GOOD VIBES ESTATES & FACILITIES LTD LIMITED | 17496259 | 2 Oct 2026 | Darlington |
| THUNDER ENERGY SUPPLIER LIMITED | 17496113 | 2 Oct 2026 | London |
| LH FIRE AND SECURITY LTD | 17495995 | 2 Oct 2026 | London |
Related
- Part of the Construction industry group.
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Other construction SIC codes:
- 41100 – Development of building projects (109,000)
- 41202 – Construction of domestic buildings (92,800)
- 43999 – Other specialised construction activities n.e.c. (61,900)
- 43390 – Other building completion and finishing (54,900)
- 43220 – Plumbing, heat and air-conditioning installation (49,800)
- 41201 – Construction of commercial buildings (39,900)
- 43290 – Other construction installation (37,200)
- 43320 – Joinery installation (22,400)
- All SIC codes
- SIC codes explained
- New Company Registrations
- New / Updated Officers
- Charges / Mortgages
- Officer Disqualifications
- Accounts (Assets)
- Insolvency Filings
- Company Officer Resignations
- Existing Company Changes
- In Liquidation
Data as of .