SIC code 43999
Other specialised construction activities n.e.c.
There are about 61,900 active UK companies registered under SIC code 43999 (Other specialised construction activities n.e.c.), 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 80%
- Proposal to strike off 17%
- 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 | 786 |
| November 2025 | 597 |
| December 2025 | 528 |
| January 2026 | 934 |
| February 2026 | 836 |
| March 2026 | 865 |
| April 2026 | 782 |
| May 2026 | 707 |
| June 2026 | 755 |
| July 2026 | 727 |
| August 2026 | 629 |
| September 2026 | 677 |
Company age
How long the active companies have been registered.
- Under 1 year 14%
- 1–3 years 18%
- 3–5 years 12%
- 5–10 years 21%
- 10–20 years 23%
- 20 years or more 12%
Where they're registered
Active companies by postcode area of their registered office.
- East London (E) 1,660
- Birmingham (B) 1,600
- Romford (RM) 1,480
- East Central London (EC) 1,430
- North London (N) 1,380
- Harrow (HA) 1,260
- Belfast (BT) 1,230
- Chelmsford (CM) 1,160
- Southend-on-Sea (SS) 1,060
- Manchester (M) 1,000
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 43999.
| Company | Number | Registered | Town |
|---|---|---|---|
| NHZ LIMITED | 17496872 | 2 Oct 2026 | Stockport |
| FIXYARD SOLUTIONS LTD | 17496811 | 2 Oct 2026 | London |
| FENCING & HEDGES LTD | 17496771 | 2 Oct 2026 | Ashford |
| GOWER GROUNDWORK'S LTD | 17496645 | 2 Oct 2026 | London |
| FERO CONTRACTORS LTD | 17496559 | 2 Oct 2026 | Harrow |
| SEMAY GROUP LTD | 17496456 | 2 Oct 2026 | Leeds |
| JOEFERDY LTD | 17496358 | 2 Oct 2026 | Sudbury |
| CONSTRUCTION HS&E SERVICES LIMITED | 17496289 | 2 Oct 2026 | Eastbourne |
| MANCAVE ENTERTAINMENT LIMITED | 17496286 | 2 Oct 2026 | Hove |
| PAVE TECH DRIVES LIMITED | 17496075 | 2 Oct 2026 | Stockton-On-Tees |
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)
- 43210 – Electrical installation (56,100)
- 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 .