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Welcome to ASM Engineering

ASM Engineering Ltd was founded back in 1980, and has subsequently evolved as one of the market leaders, with an established track record, in their specialist field of expertise: manufacturing, installing, setting to work and commissioning ventilation and air conditioning systems. Over recent years ASM have gained substantial experience as a package contractor delivering total air side packages.

Ductwork & Airside Contractors

ASM Engineering Ltd have successfully completed numerous ductwork & airside contracts for some of the largest most prestigious refurbishment and new builds in the country with values up to and in excess of £10m for the specialist trade package. We offer a complete service from design, plant selection, control engineering, manufacture, installation through to the co-ordination of other sub-contract mechanical & engineering services and commissioning.


ASM Engineering Ltd has carried out work for a wide range of clients including most of the major construction and Mechanical & Electrical companies, e.g. LO'R/CHt, Balfour Beatty/BBESL, Skanska/SRW, Sir Robert McAlpine, NG Bailey, Canary Wharf Contractors Ltd., MACE/MACE MEP, Designer Group, BAM and ISG.


As a market leader in our specialist field of ductwork manufacturing, installing, setting to work and commissioning, ventilation, air conditioning and total air side package systems, we offer a full complement of services to suit our clients’ needs and specifications.

ASM operate out of their office and 20,000sqft manufacturing facilities base in Hitchin Hertfordshire. ASM is equipped with state of the art digital and computerised technology throughout the company, from 3D CAD drawings through to the manufacturing process.

Production facilities includes CNC Plasma cutting and automated De-Coil line all of which enables ASM to currently produce in excess of 100 tonnes of duct per month. ASM Engineering Ltd believe that through experience, discipline and a well organised workforce we integrate all aspects of our business and present a cost effective solution to your Ductwork service needs.

Company Management

The day to day management rests with the directors who maintain a hands on approach and are backed up by a highly motivated management team and work force.
ASM Engineering Ltd - 74 Wilbury Way - Hitchin - Hertfordshire - SG4 0TP
Tel: 01462 477360 - Fax: 01462 477361 - E-mail: - Privacy Policy
Ductwork Contractors London - Airside Design and Installation - Project Management - Commissioning - Private Finance Initiatives (PFI)