Our Specialist Sectors

Main Contractors

HAG can work with main contractors during construction projects to ensure compliance with building regulations and government legislation. Our trained, professional engineers hold the correct qualifications to access construction sites and adhere to health and safety protocol.

Our specification service and bespoke production allows for products to be accurately manufactured, delivered, and installed onsite with ease. Clear communication with our head office team means we can provide our services with minimal disruption to your workforce, site, and ongoing projects.

Selected products are available in RAL and BS colours to meet aesthetic needs and a range of operational and security measures are available upon request, allowing our products to match requirements and provide the correct benefits for the premises.

Why main contractors choose
to work with HAG

Delivering a high standard of service, having a full understanding of legislation and protocol, and the relevant accreditations makes HAG the first choice for main contractors.

Nationwide Coverage

With a network of engineers, we operate throughout the UK, meaning you receive a quick and reliable service from our installation and maintenance team.

Site Access

Our engineers hold CSCS cards and IPAF memberships that allow them direct site access without compromising onsite health and safety.


With NVQ Level 2 qualifications, our engineers can expertly fit our doors onsite, ensuring they are operating correctly and are installed in compliance with BS EN 12635 (2002).


We can manufacture bespoke products to your specification, with operational choices and a range of finishes available.


HAG has been manufacturing and installing doors since 1983, accumulating years of experience. Our industry knowledge allows us to offer main contractors the highest level of service with an in-depth understanding of their needs and requirements.

Accredited Company

We hold all major accreditations and industry memberships, including Constructionline, CHAS, DHF and ADIA. Our core products can be found on the NBS, and in Riba Product Selector.

Talk to the
door specialists

Contact Us

HAG offers a wide range of products and services, if you would like further information call 0800 072 3444 now to speak to a member of our team.

Our Credentials
and Industry Partners

  • Credentials and Industry Partner Logos
  • Credentials and Industry Partner Logos
  • Credentials and Industry Partner Logos
  • Credentials and Industry Partner Logos
  • Credentials and Industry Partner Logos
  • Credentials and Industry Partner Logos