SIC code 43120
Site preparation
There are about 5,140 active UK companies registered under SIC code 43120 (Site preparation), 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 76%
- Proposal to strike off 21%
- 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 | 54 |
| November 2025 | 43 |
| December 2025 | 28 |
| January 2026 | 57 |
| February 2026 | 62 |
| March 2026 | 78 |
| April 2026 | 67 |
| May 2026 | 50 |
| June 2026 | 55 |
| July 2026 | 71 |
| August 2026 | 63 |
| September 2026 | 66 |
Company age
How long the active companies have been registered.
- Under 1 year 13%
- 1–3 years 17%
- 3–5 years 11%
- 5–10 years 25%
- 10–20 years 22%
- 20 years or more 12%
Where they're registered
Active companies by postcode area of their registered office.
- Belfast (BT) 257
- Birmingham (B) 179
- West Central London (WC) 101
- East Central London (EC) 89
- Portsmouth (PO) 83
- Nottingham (NG) 82
- Sheffield (S) 79
- Harrow (HA) 78
- Tonbridge (TN) 78
- Chelmsford (CM) 76
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 43120.
| Company | Number | Registered | Town |
|---|---|---|---|
| JRM BUILDING & LANDSCAPING LTD | 17496786 | 2 Oct 2026 | Birmingham |
| KNOCKAVANNON CONTRACTS LTD | NI744238 | 2 Oct 2026 | Newry |
| LSJV LTD | 17496371 | 2 Oct 2026 | Wakefield |
| HB PROJECT MANAGEMENT LIMITED | 17496105 | 2 Oct 2026 | Plymouth |
| BDC STRUCTURE & BUILD LTD | 17494080 | 1 Oct 2026 | Epsom |
| R.T.LORD LTD | 17492419 | 30 Sept 2026 | CREWE |
| CLARET BUILD LTD | 17492386 | 30 Sept 2026 | LONDON |
| NEVO PROPERTY LTD | 17492159 | 30 Sept 2026 | HENLEY-ON-THAMES |
| DOSANJH MIDLANDS LTD | 17491386 | 30 Sept 2026 | PERRY BARR |
| RNK CONTRACTS LIMITED | NI744151 | 30 Sept 2026 | LONDONDERRY |
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)
- 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)
- 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 .