UK SIC 2007 · 81210
General cleaning of buildings
UK commercial cleaning, office cleaning, retail premises, light industrial. Distinct from 81221 (window cleaning), 81222 (specialised industrial cleaning), and 81229 (other building cleaning).
As of the July 2026 Companies House register, 24,245 active UK companies list 81210 among their SIC codes (17,557 as their first code).
Companies House data refreshed daily. Page reviewed July 2026.
Division 81: Services to buildings and landscape activities
Services to buildings and landscape activities is the home of the cleaning and grounds trades. General building cleaning sits under 81210, with 81299 collecting other cleaning services and 81222 marking specialised work such as trauma, industrial or high-level cleaning. Window cleaners have 81221, wider building and industrial cleaning 81229, and landscapers, one of the division's biggest populations, register under 81300. 81100 identifies combined facilities support providers that bundle cleaning, maintenance and reception into one contract, usually the largest companies in the division.
These are classic local service businesses, so the prospectors are equally familiar: insurance brokers selling public liability, accountants chasing new incorporations, job scheduling and quoting apps, equipment and chemical suppliers, and franchisors recruiting operators. Commercial cleaning and facilities firms also appear on procurement radars for offices, schools and managing agents seeking contractors. A no-website flag is common and signals a word-of-mouth operator, exactly the audience website builders and local SEO services convert best, while growth marks firms stepping from domestic into contract work.
Related SIC codes
Where SIC 81210 clusters in the UK
About SIC 81210
Are domestic cleaning agencies filed under SIC 81210?
No, domestic cleaning is 97000 (activities of households as employers). 81210 is specifically for commercial / business premises.
How seasonal is SIC 81210?
Less seasonal than other trades, commercial cleaning runs year-round. Demand spikes briefly Q1 (post-Christmas deep cleans) and Q3 (back-to-school office openings).
Find UK SIC 81210 companies
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