SIC Code 35300

    37 new companies under SIC 35300: Steam and air conditioning supply

    37 UK companies registered with SIC 35300 in the last

    Recently Registered

    RITE KOOL LTD

    17502276 · London

    6 Oct
    CLIMACAIR LTD

    17500619 · Redcar

    5 Oct
    PRIME ELECTRICAL AND AIR SOLUTIONS LTD

    17498127 · Peterborough

    4 Oct
    TRUE NORTH AIR CONDITIONING LIMITED

    17494412 · Ossett

    1 Oct
    ATMOSPHERE CLIMATE SOLUTIONS LIMITED

    17492724 · Leicester

    30 Sept
    TW1 AIR CONDITIONING LTD

    17491597 · Pinner

    30 Sept
    FMR AIR CONDITIONING AND REFRIGERATION LTD

    17492119 · Birmingham

    30 Sept
    HCS HOME AIR CONDITIONING LTD

    17488532 · London

    29 Sept
    M & D CLIMATE CONTROL LTD

    17486899 · Shefford

    28 Sept
    ADAIR VENTILATION AND MECHANICAL SERVICES LIMITED

    17478861 · Chobham

    24 Sept
    D A COOLING LTD

    17479282 · Newark

    24 Sept
    AIRFORCE AIR CONDITIONING SPECIALISTS LTD

    17478341 · Milton Keynes

    24 Sept
    MGM AIR CON LIMITED

    17475831 · Benfleet

    23 Sept
    COOLNEST LTD

    17476688 · Watford

    23 Sept
    THERMO JOY LTD

    17475329 · Bournemouth

    22 Sept
    COMPLETE CLIMATE SYSTEMS LIMITED

    17472264 · Richmond

    22 Sept
    TAYLORS CLIMATE SOLUTIONS LTD

    17473943 · Andover

    22 Sept
    NM CLIMATE SERVICES LIMITED

    17473968 · Liverpool

    22 Sept
    HV.HOME.AC LTD

    17469395 · Waterlooville

    20 Sept
    COOL DOWN SERVICES LIMITED

    17469390 · London

    20 Sept
    NEWPORT AIR CONDITIONING LTD

    17467669 · Newport

    18 Sept
    AIR CON PLUS LTD

    17465074 · Norwich

    17 Sept
    ICE FEVER LTD

    17463061 · Croydon

    16 Sept
    GREEN CORE AIR CONDITIONING LTD

    17459607 · East Grinstead

    15 Sept
    TOP ITEM LTD

    17456126 · London

    14 Sept
    KUSHA LTD

    17455843 · London

    14 Sept
    AIRCON MASTERS LTD

    17455438 · Chesham

    13 Sept
    ICE HOUSE NORTHAMPTON LIMITED

    17455034 · Brackley

    12 Sept
    COOL GEEK AIR CONDITIONING LTD

    17455265 · Liverpool

    12 Sept
    CANMORE AIR CONDITIONING LIMITED

    17454878 · Huntingdon

    11 Sept
    SAFECORE FIRE AND SECURITY LTD

    17453999 · London

    11 Sept
    AEROTECH HVAC LTD

    NI743624 · Magherafelt

    9 Sept
    PARAMOUNT AIR CON & RENEWABLES LTD

    17448874 · Milton Keynes

    9 Sept
    AIR CONDITIONING FOR YOU LTD

    17447847 · Chester

    8 Sept
    KEEP YOUR COOL LTD

    17447330 · Ferndown

    8 Sept
    RM COOL AIR SOLUTIONS LTD

    17446307 · Chertsey

    8 Sept
    DML AIR CONDITIONING LTD

    17445385 · Leicester

    8 Sept

    Track newly registered UK steam and air conditioning supply companies at Companies House. This page lists recent incorporations and formation trends for Steam and air conditioning supply.

    165 new Steam and air conditioning supply companies were registered in the last 90 days - about 2 a day.

    Monthly registrations over recent complete months have ranged from 6 to 67.

    Last month's registrations were down 2% versus the month before.

    A sample of this week's matching leads

    • CLIMACAIR LTD
      Incorporated 2026-10-05 · Redcar
    • PRIME ELECTRICAL AND AIR SOLUTIONS LTD
      Incorporated 2026-10-04 · Peterborough
    • TRUE NORTH AIR CONDITIONING LIMITED
      Incorporated 2026-10-01 · Ossett
    • TW1 AIR CONDITIONING LTD
      Incorporated 2026-09-30 · Pinner
    • FMR AIR CONDITIONING AND REFRIGERATION LTD
      Incorporated 2026-09-30 · Birmingham
    • ATMOSPHERE CLIMATE SOLUTIONS LIMITED
      Incorporated 2026-09-30 · Leicester

    NewcoSignal monitors Companies House daily and emails you new steam and air conditioning supply companies as they are registered.

    Get these leads free

    Frequently Asked Questions

    What is SIC code 35300?

    SIC code 35300 is the UK Standard Industrial Classification code for "Steam and air conditioning supply". Every company registered at Companies House must declare at least one SIC code describing its main business activity.

    How many new companies register with SIC code 35300 each week?

    Use the date range filter above to see the exact count of new registrations for SIC code 35300 over your chosen period. Volume varies by sector and economic conditions.

    Can I set up alerts for new SIC 35300 companies?

    Yes. Save a search in NewcoSignal filtered to the industry category that includes SIC code 35300 and receive a weekly or daily email digest of every new matching company. Available on all plans including the free tier.

    Are newly registered SIC 35300 companies good B2B leads?

    New company registrations under any SIC code represent businesses that are actively choosing their first suppliers - accountant, insurance, IT support, software, and more. Being first in touch with newly incorporated businesses before competitors reach them is a significant commercial advantage.

    What is the difference between a UK SIC code and a US NAICS code?

    UK SIC codes (like 35300) are used by Companies House to classify business activities in Great Britain. NAICS codes are the equivalent classification used in the United States, Canada, and Mexico. The two systems cover similar industries but with different structures and numbering. Use the SIC to NAICS converter to find the nearest North American equivalent for any UK SIC code.