Manufacture of motor vehicles, trailers and semi-trailers (SIC division 29)
Division 29 of the UK SIC 2007 list. It holds 4 codes, listed in full below with the number of active UK companies filed under each.
What sits in division 29
Everyone knows the big vehicle plants. The grassroots of this division are component makers. UK registrations pile into 29320, manufacture of other parts and accessories for motor vehicles. That code holds suppliers of interior trim, brackets and wiring harnesses. It also holds performance and tuning parts firms, and the aftermarket specialists who make components for classic and modified cars. Trailer and semi-trailer builders sit in this division too, along with coachwork and conversion firms such as campervan builders. Most companies here are small suppliers, not assemblers.
Parts makers ship all day, to production lines, distributors and online buyers. That is why logistics providers and pallet networks chase this division for freight contracts. Recruiters supplying production staff follow, as do quality consultants working to automotive standards and tooling suppliers. The signals split by segment. For aftermarket brands, a fresh incorporation plus a weak website points to a launch in progress, and the poor-website filter finds them. For tier suppliers, growth and new filings hint at contract wins. Those wins ripple into haulage, packaging and staffing. Electric vehicle supply chains keep adding new entrants worth watching.
How to read a division 29 code
A UK SIC code is five digits and division 29 is the first two of them. Everything filed under 29 shares those digits: all 4 codes below begin 29, then the third digit narrows to a group, the fourth to a class and the fifth to the subclass a company actually picks. Division 29 sits inside section C, manufacturing, which is the broadest tier of the classification. So a code is read left to right, from an industry down to a specific activity.
More on how division 29 codes are built
Companies choose their own codes at incorporation and can change them on any confirmation statement, and Companies House does not check the answer. A company may list up to four. That is worth knowing before you treat any division total as a headcount: the numbers here are what companies said about themselves, on the August 2026 register, and the largest single code in this division is 29320, manufacture of other parts and accessories for motor vehicles.
Working division 29 as a list
Division 29 holds 4 codes and 5,197 active companies between them. 29320 is the largest at 49 per cent and the top three take 89 per cent, with the rest spread across the remaining 1 code. That is balanced enough that the division is a reasonable unit to work, though the leading code alone will usually give you a cleaner list.
More on working division 29
A caveat that matters more in some divisions than others: a company may register up to four SIC codes, and the figures below count every position, not just the first. A business filed under two codes in this division appears under both. Treat the totals as reach rather than a headcount, and if you need a clean list, filter to companies whose FIRST code sits in the division. Every company you pull carries the Companies House record, the director's name, a verified website and a verified email, and the ones we cannot complete are not charged.
Every SIC code in division 29
29100, Manufacture of motor vehicles29201, Manufacture of bodies (coachwork) for motor vehicles (except caravans)29310, Manufacture of electrical and electronic equipment for motor vehicles and their engines29320, Manufacture of other parts and accessories for motor vehiclesProspecting this division
Division 29 companies, as leads
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Division 29 questions
Should a campervan or vehicle conversion business register in division 29?
Usually yes. Coachbuilding and body conversion has its own codes inside division 29, and those fit campervan converters. Specialist parts fabrication fits 29320. Some converters pick a motor trade code from division 45 instead, especially when selling the finished vehicles is the main business. All of these are legitimate. You declare the code yourself and can adjust it on a confirmation statement.
Do parts suppliers need different SIC codes for manufacturing and selling parts?
If you make and sell parts, list 29320 next to a division 45 sales code. That shows the full picture, and a company may hold up to four codes. If you only distribute parts made by others, skip division 29 and use the motor trade wholesale or retail codes. You choose codes at incorporation and revise them on the CS01 confirmation statement. There is no approval process.
Find companies across division 29
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