Sell to UK plasterers
Plastering and rendering contractors, overwhelmingly small limited companies formed by a tradesperson going out alone.
There are 9,053 of them on the Companies House register as of August 2026, filing SIC code 43310. This page is about reaching them, not about being one.
What people sell to plasterers
If you are one of these, this market is a list rather than a guess. Every company below is on the public record with its registered office, incorporation date, officers and filing history.
- Builders' merchants and plaster and render suppliers
- Tool and plant hire
- Van finance and trade insurance
- Quoting, invoicing and job management apps
- CIS and construction-specialist accountants
- Local search marketing and trade directories
What SIC 43310 actually tells you
One of the cleanest filters in construction. Roughly three quarters of the companies carrying 43310 put it first, which is high for construction, so a match on this code alone gives you a list that really is plasterers rather than general builders who plaster occasionally.
In numbers: 6,672 companies put 43310 first and 2,381 carry it in one of their other three SIC slots, so 74 per cent of the population leads with it. Together they are 0.2 per cent of the 5,190,464 active companies on the UK register.
Plastering by post town
Measured on the August 2026 register, these are the registered-office post towns with the most plasterers. London holds 12 per cent of the national population on its own. A registered office is where the paperwork sits rather than where the work happens, so treat this as where to start looking, not as a service area.
- London1,062
- Manchester147
- Birmingham124
- Bristol121
- Glasgow119
Timing
These businesses incorporate at the point they take on their first employee or their first sizeable contract, which is also when they first need proper insurance, an accountant who knows CIS, and a way to invoice. Almost none of them has a website worth the name, which makes the poor-website filter unusually productive here.
A worked filter for this market: SIC 43310, registered office in London, incorporated in the last ninety days. That turns 9,053 companies into a list you can write to in an afternoon. Add the poor-website filter if what you sell is a web presence, or a recent change of officer if you sell to whoever just took the job.
The rest of division 43
A trade rarely sits in exactly one code. Plastering is in division 43, specialised construction activities, and the codes below are its nearest neighbours on the public record: another 282,377 companies describing themselves in adjacent terms. If your product suits the wider trade rather than this one code, pull two or three of them together.
You only pay for leads that arrive complete.
You carry the bounce rate and the compliance risk for data somebody else assembled and will not explain
Leads that arrive verified with the filing behind each field, so the ICO question has a written answer
Every plasterer you pull arrives with its Companies House record, the director’s name, a verified website and a verified email. The ones we cannot complete are not charged for.
What if a company has no website?
Trades with a lot of very small companies tend to have patchy web presence, and a list that charges you per row will happily sell you the rows it could not finish. Here you are charged for a complete lead or not at all, which means the size of the market above is the ceiling, not the invoice.
Is emailing these companies legal?
This is public-record data about businesses, and reaching a company at a published business address is normal B2B contact. The lawful basis is legitimate interest, every message carries an opt-out, and anyone who asks to be removed is suppressed across the whole system rather than on one list. If a company asks us directly, we take its record out within twenty-four hours. None of that is optional or an upgrade.
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The week they go limited
Nine thousand plastering companies, and three quarters of them lead with the code, which is high for construction.
Common questions
How many plasterers are there in the UK?
9,053 active UK companies file SIC code 43310, plastering, on the August 2026 Companies House snapshot. 6,672 of them list it as their first SIC code and 2,381 carry it in one of their other three slots, so 74 per cent lead with it. Together they are 0.2 per cent of the 5,190,464 active companies on the UK register.
How do I build a list of UK plasterers?
Filter the Companies House register by SIC code 43310. Narrow it by registered-office postcode (London holds the largest share at 12 per cent) and by incorporation date if you want companies still choosing suppliers. Match on any SIC position rather than the first when you need reach, and on the first position when you need precision. Every lead Leadistry delivers carries the company record, the director's name, a verified website and a verified email.
Is it legal to cold email plasterers in the UK?
Contacting a company at a published business address is normal B2B outreach under UK GDPR and PECR, on the lawful basis of legitimate interest. Every message must identify you and carry a working opt-out. Anyone who asks to be removed is suppressed across the whole system, and a company that asks us directly has its record taken out within 24 hours.
9,053 plasterers. Filtered to the ones worth writing to.
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