Harlech have contracting partnerships with many of the major building and developing companies across the United Kingdom, and supply products worldwide.

Our products are supplied and fitted in residential high-rise blocks, commercial offices, manufacturing and industrial buildings, hotels, restaurants and leisure facilities, sports stadiums, ports and airports, shopping malls and retail units, healthcare premises, education and blue light buildings.

We are currently members of, and have successfully tested through, the following:


Repair, Service and Maintenance 

Door Maintenance Company Limited is a part of the wider Door Maintenance Group and is the repair, service and maintenance division within the organization, managed by experienced and highly respected individuals who have over 40 years’ experience operating in the industrial door sector.

Door Maintenance Ltd – Repair, Maintain and Service all types of industrial doors nationally to include but not limited to roller shutters doors, fire doors, sectional doors and steel hinged doors across all sectors. As the group manufacture almost all of our products this enables Door Maintenance to respond to repairs and breakdowns rapidly.

The maintenance team operate a 24/7 emergency call out service (0800834347) and can usually respond within 2 hours.

The importance of regular servicing to all odors and shutters is both a legislative requirement and can also save time and money when issues are reported prior to a breakdown.


 Door Maintenance also install and maintain automatic doors (sliding and swing), gates, traffic barriers and auto bollards across all sectors.


At Door Maintenance we pride ourselves on delivering a professional service and strive to achieve a good working relationship with all of our customers, looking after their best interests. Our aim is not that of short-term gain; but establishing trust, which is reflected in the various long-standing relationships we have with out customers, some of which stretch back over 30 years.

Being a progressive organization, we have adapted and developed the services we provide to meet our clients ever-changing project requirements and maintained the loyalty and commitment of our work force.




Engineering & Fabrication 

Harlech Mechanical Services offer a wide range of industrial services including fabrication, manufacturing, commissioning and installation of pipework systems for industrial applications that include petrochemical, chemical and HPA. Structural steelwork services to ISO EN 1090, specialist coded welding and undertake all types of general fabrication works.

Workshop & Site Capabilities – Our specifically trained and qualified fabrication and welding team with experienced supervisors and coordinators ensure a high-quality end product that is driven by these new and necessary guidelines.

  • M.M.A., M.I.G. and T.I.G. Welding processes are employed in the fabrication of carbon steels, stainless steels, aluminium and other specialist materials
  • Coded welders to EN 15614 and ASME 1X Procedures for pipe, vessel and structural applications
  • Plasma and guillotine plate cutting
  • Bending and rolling
  • Fitting and commissioning
  • Outside test and erection area
  • Quality Control


We also offer on-site fabrication and welding and installation of the following examples in MMA, TIG and MIG – pipework and vessels to PED regulations and all aspects of structural steel including access platforms, conveyor systems, hand-railing, fire escapes stairs & ladder systems, hopper fabrication, machine installation and relocation.


Specialist Welding – Harlech are leading suppliers of specialist welding services for structural steelwork and pipe work. We can supply fully qualified and accredited welders for a variety of metals to the specific coding our clients require in order to meet their welding requirements.

Our engineers focus on solving welding engineering problems, weld failure analysis, eliminating weld defects, expert witness services, and developing welding procedures

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