SIC 71121 Section M — Professional, Scientific and Technical Activities

Engineering design activities for industrial process and production

12,514 active UK companies registered under this classification.

SIC Code 71121 (Engineering design activities for industrial process and production) is a UK Standard Industrial Classification code used by Companies House to categorise business activities. Companies registered under this code operate in the Engineering design activities for industrial process and production sector, which falls under Section M (Professional, Scientific and Technical Activities) of the SIC 2007 framework. There are currently 12,514 active companies and 12,997 total registrations under this classification.

12,514 Active Companies
12,997 Total Registered
289 New in 2026
LONDON Top Location

Engineering design activities for industrial process and production Companies

Showing 1–25 of 12,997 companies.

IP

(IPC) INDUSTRIAL POWER COOLING LIMITED 03792602

● Active WARWICK Est. 1999
L

@HOME-INT LIMITED 15362742

● Active Derby Est. 2023
AL

01 AUTOMATION LTD 16111975

● Active HIGH WYCOMBE Est. 2024
L

037 LIMITED 16592532

● Active MARLOW Est. 2025
CL

0898 CONSULTING LIMITED SC457356

● Active GLASGOW Est. 2013
L

0QR LTD 12193373

● Active Gateshead Est. 2019
ND

100 NINE DESIGN LIMITED 06453087

● Active BURTON-ON-TRENT Est. 2007
L

10E9 LTD 16491021

● Active LEEDS Est. 2025
L

11244427 LIMITED 11244427

● Active NEWCASTLE UPON TYNE Est. 2018
SL

125 SYSTEMS LTD 16793311

● Active WARRINGTON Est. 2025
BC

13 BLUE COMMERCIAL SERVICES LTD 14811048

● Active BASILDON Est. 2023
DL

138 DESIGNS LIMITED 09407522

● Active SEAHAM Est. 2015
L

149ENG LTD 15090865

● Active NOTTINGHAM Est. 2023
EE

15TH EARL ENGINEERING LTD 16687343

● Active WEYBRIDGE Est. 2025
L

16016725 LIMITED 16016725

● Active LONDON Est. 2024
CD

18 CONTRACT DISTILLING LIMITED 15590937

● Active Bridgwater Est. 2024
DM

18 DESIGN & MANUFACTURE LTD 15884319

● Active BRIDGWATER Est. 2024
EL

1874 ENGINEERING LTD 08463227

● Active NOTTINGHAM Est. 2013
L

19.STUDIO LTD 13261089

● Active London Est. 2021
L

1OO2 LIMITED 12959534

● Active STOCKPORT Est. 2020
SL

1T - STRUCTURES LTD 16948989

● Active MIDDLESBROUGH Est. 2026
QL

2 QUINTILLION LTD SC800479

● Active GLASGOW Est. 2024
IL

21C INNOVATIONS LTD 10665423

● Active Stroud Est. 2017
CS

21ST CENTURY STRUCTURAL SERVICES LIMITED 14047822

● Active LYTHAM ST. ANNES Est. 2022
SD

23 STRUCTURAL DESIGN LTD SC610237

● Active ABERDEEN Est. 2018

Frequently Asked Questions

What is SIC code 71121?

SIC code 71121 represents "Engineering design activities for industrial process and production" in the UK Standard Industrial Classification (SIC) 2007 system. It is used by Companies House to categorise the primary business activity of registered UK companies. It falls under Section M — Professional, Scientific and Technical Activities.

How many UK companies are classified under SIC 71121?

There are currently 12,514 active UK companies registered under SIC code 71121 (Engineering design activities for industrial process and production), out of 12,997 total registrations.

Where are most Engineering design activities for industrial process and production companies based in the UK?

The top locations for Engineering design activities for industrial process and production companies in the UK are LONDON, GLASGOW, MANCHESTER, ABERDEEN, WARRINGTON. London typically leads in company registrations across most sectors.

How do I find a specific Engineering design activities for industrial process and production company?

You can browse all companies on this page, or use CompanyPulse's search at companypulse.co.uk/search to find a specific company by name or company number. Each company profile includes directors, financial data, risk analysis, and filing history.

How many new Engineering design activities for industrial process and production companies were incorporated in 2026?

289 new companies were registered under SIC code 71121 in 2026. CompanyPulse tracks all new UK incorporations in real time via the Companies House data stream.