Section N — Administrative and support service activities
SIC code 81221
Window cleaning services
What does SIC code 81221 mean?
SIC code 81221 is the UK Standard Industrial Classification (SIC 2007) code for "Window cleaning services". It sits in section N — Administrative and support service activities — of the official Companies House condensed list. UK companies choose this code when filing with Companies House to describe their main business activity, so searching the register by SIC code 81221 surfaces companies whose registered activity is window cleaning services.
You can see every UK company registered under this code on the official Companies House register .
Find B2B leads in this industry
Prospecting.Business searches the live Companies House register by SIC code 81221, checks each company on the official register, finds contact details with honest source labels, and drafts a personalised cold email per lead. Start free — no credit card needed.
Start freeRelated SIC codes
- 81100Combined facilities support activities
- 81210General cleaning of buildings
- 81222Specialised cleaning services
- 81223Furnace and chimney cleaning services
- 81229Other building and industrial cleaning activities
- 81291Disinfecting and exterminating services
- 81299Other cleaning services
- 81300Landscape service activities