Steam and air conditioning supply
1,832 active UK companies registered under this classification.
SIC Code 35300 (Steam and air conditioning supply) is a UK Standard Industrial Classification code used by Companies House to categorise business activities. Companies registered under this code operate in the Steam and air conditioning supply sector, which falls under Section D (Electricity, Gas, Steam and Air Conditioning Supply) of the SIC 2007 framework. There are currently 1,832 active companies and 1,987 total registrations under this classification.
Sector pulse: concentration is strongest in LONDON and BRISTOL, with 43 new incorporations recorded in 2026.
Incorporation Trends
New Steam and air conditioning supply companies registered per year.
Steam and air conditioning supply Companies
Showing 1–25 of 2,028 companies.
006900 LIMITED 04037767
1.2.1 AIR CONDITIONING LIMITED 05096444
1ST CALL SURVEYS LTD 07779916
1ST CHOICE VENTILATION LTD 13015383
1ST DEGREE CLIMATE SOLUTIONS LTD 13842221
2 COOL AC SERVICES LTD 13522722
24/7 CLIMATE SOLUTION LTD 16606498
2D VENTILATION SERVICES LTD NI676378
361 DEGREES LTD 08375764
37 DEGREES CLIMATE CONTROL LIMITED 11783200
4 WAY REFRIGERATION LIMITED 05252501
4WINDS A/C MECHANICAL LTD 13781737
A & M DUCTWORK LIMITED 08113423
A C R LONDON LIMITED 04097241
A COLD REFRIGERATION LTD 12279519
A COOL SOLUTION LIMITED 10262757
A COOLING LIMITED 10250620
A I DENTAL ENGINEERING LIMITED 10527314
A K M COOLING SERVICES LTD 12625073
A STAR AIR CONDITIONING LTD 14496582
A TEAM ACS LIMITED 10616505
A-Z ENERGY SOLUTIONS LIMITED 14533559
A. C. WEBB FACILITY SERVICES LIMITED 10345702
A. J. CALEBS INVESTMENTS LIMITED 08103497
A.C. COOLPRO ENGINEERING SYSTEMS LTD. 02877604
Frequently Asked Questions
What is SIC code 35300?
SIC code 35300 represents "Steam and air conditioning supply" 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 D — Electricity, Gas, Steam and Air Conditioning Supply.
How many UK companies are classified under SIC 35300?
There are currently 1,832 active UK companies registered under SIC code 35300 (Steam and air conditioning supply), out of 1,987 total registrations.
Where are most Steam and air conditioning supply companies based in the UK?
The top locations for Steam and air conditioning supply companies in the UK are LONDON, BRISTOL, GLASGOW, MANCHESTER, Cardiff. London typically leads in company registrations across most sectors.
How do I find a specific Steam and air conditioning supply 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 Steam and air conditioning supply companies were incorporated in 2026?
43 new companies were registered under SIC code 35300 in 2026. CompanyPulse tracks all new UK incorporations in real time via the Companies House data stream.