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Our Company

A privately owned family run business formed in 1979 with a head office in the south east of England and a team of strategically based field engineers, Guardian operates across the whole of the UK 24 hours a day 365 days a year.

Accreditations
Experience counts

Experience counts

Collectively our technical team has a combined experience of over 120 years in the design and manufacture of industrial and commercial door systems. We offer a full specification and design service using the latest CAD drawing methods, including BIM models.

Quality manufacturers

Quality manufacturers

We manufacture a wide range of roller shutters, grilles, fire resistant doors and curtains, high speed and insulated door systems to the latest BS EN safety guidelines and regulations, all of our products are CE marked accordingly.

Nationwide service

Nationwide service

We offer a nationwide service for new installations repairs and maintenance services, accredited to the DHF TS004 standard. We also provide a 24x7x365 emergency repair service across the UK on 0800 7836602.

Certified engineers

Certified engineers

Our engineering teams and surveyors are all CSCS registered, and are regularly trained in the use of plant and equipment such as scissor lifts, boom lifts, cherry pickers and scaffolding. Other accreditations include confined working spaces, rail environment, CRB checks and more.

At Guardian we take pride in providing high quality services that meet the latest technical and legal requirements. Our accreditations ensure that you can trust us to provide a safe, competent and qualified service for our customers and employees. Click on a logo for more information.


  • CHAS

    Over the years local authority health and safety and procurement professionals, with the support of the Health and Safety Executive, have developed the Contractor Health and Safety Assessment Scheme (CHAS). The scheme is available for use by any public and private sector organizations to use when shortlisting contractors, suppliers and consultants (companies) who apply to work for them.

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  • SMAS Worksafe Contractor

    Since the launch of SSIP, many Clients and Principal Contractors now adopt a SSIP approach to H&S pre-qualification and will only use contractors who hold a valid and in date Scheme certificate issued by a SSIP Forum member.

    Holding a valid SSIP Member Scheme certificate means that a contractor will have demonstrated their Stage 1 H&S competence by meeting the core criteria as set out in the Construction (Design and Management) regulations or the H&S module in PAS91.

    A key aim of the SSIP Forum is to reduce the burden and cost of H&S bureaucracy across the construction industry and, as part of this, a Worksafe certificate will be recognised by the other SSIP members who offer mutual recognition – meaning that there should be no requirement to to complete a further full H&S assessment.

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  • SAFE Contractor

    Safe Contractor is the fastest growing health and safety accreditation scheme in the UK, with more than 140 major clients and almost 18,000 contractor members. Registered members with the SAFEcontractor scheme include clients and contractors from a wide range of professional disciplines working within a number of industry industry sectors. With its increasing membership and growing profile in the UK, the SAFEcontractor scheme is now used by many large organisations as a way of obtaining competent contractors.

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  • Constructionline

    Guardian Doors are accredited to the UK's largest Government owned register of contractors and consultants for the construction industry. Constructionline provide an up-to-date register of pre-qualified suppliers for construction contracts and is a common sense solution that 8,000 buyers from over 2,000 organisations are already making the most of.

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  • ISO 9000

    ISO 9000 is maintained by ISO (International Organization for Standardization) and is administered by accreditation and certification bodies. The rules are updated as the requirements motivate changes over time. Some of the requirements in ISO 9001:2008 (which is one of the standards in the ISO 9000 family) include:

    • A set of procedures that cover all key processes in the business
    • Monitoring processes to ensure they are effective
    • Keeping adequate records
    • Checking output for defects, with appropriate and corrective action where necessary
    • Regularly reviewing individual processes and the quality system itself for effectiveness
    • Facilitating continual improvement
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Peace of Mind Warranties

All Guardian products are guaranteed against defect of material or workmanship by Guardian Doors, subject to correct maintenance and operation, for a period of 12 months from the date of installation. We offer extended warranties for up to 5 years with an agreed maintenance contract.

Call us on 0800 7836602 for more details.