SIC code 71121
Engineering design activities for industrial process and production
There are about 12,000 active UK companies registered under SIC code 71121 (Engineering design activities for industrial process and production), 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 2%
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 | 170 |
| November 2025 | 120 |
| December 2025 | 121 |
| January 2026 | 153 |
| February 2026 | 125 |
| March 2026 | 129 |
| April 2026 | 130 |
| May 2026 | 128 |
| June 2026 | 147 |
| July 2026 | 146 |
| August 2026 | 121 |
| September 2026 | 144 |
Company age
How long the active companies have been registered.
- Under 1 year 13%
- 1–3 years 20%
- 3–5 years 14%
- 5–10 years 26%
- 10–20 years 18%
- 20 years or more 8%
Where they're registered
Active companies by postcode area of their registered office.
- West Central London (WC) 494
- East Central London (EC) 436
- Aberdeen (AB) 342
- Coventry (CV) 323
- West London (W) 295
- Birmingham (B) 285
- North London (N) 283
- Warrington (WA) 252
- Manchester (M) 223
- Cleveland (TS) 217
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 71121.
| Company | Number | Registered | Town |
|---|---|---|---|
| SHEM AND SHEM WATER LTD | 17496754 | 2 Oct 2026 | Bury St. Edmunds |
| MECHPLM SOLUTIONS LTD | 17496558 | 2 Oct 2026 | Northampton |
| JOEFERDY LTD | 17496358 | 2 Oct 2026 | Sudbury |
| EPHATHA ENERGY AND ENGINEERING SERVICES LIMITED | SC904658 | 2 Oct 2026 | Glasgow |
| MIIVAN LIMITED | 17495165 | 1 Oct 2026 | Stockport |
| THERON DYNAMICS LTD | 17493880 | 1 Oct 2026 | London |
| ASSET CARE UK LTD | 17493812 | 1 Oct 2026 | London |
| ANDU AUTOMOTIVE CONSULTING LIMITED | 17493577 | 1 Oct 2026 | Bournemouth |
| CONCEPT CONTAINER BUILDS LTD | 17492636 | 30 Sept 2026 | DUDLEY |
| CHIC ENGINEERING SOLUTIONS LTD | 17492332 | 30 Sept 2026 | NOTTINGHAM |
Related
- Part of the Professional Services industry group.
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Other professional services SIC codes:
- 70229 – Management consultancy activities other than financial management (270,000)
- 69201 – Accounting and auditing activities (43,200)
- 71129 – Other engineering activities (37,700)
- 71122 – Engineering related scientific and technical consulting activities (34,500)
- 70100 – Activities of head offices (30,100)
- 69202 – Bookkeeping activities (24,500)
- 70221 – Financial management (21,400)
- 71111 – Architectural activities (20,400)
- 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 .