GUK is committed to leading the way in creating a security sector that holds professionalism and high-quality services as its highest priority.

We are a member company of SIA ACS (Approved Contractor Scheme) and currently hold one of the highest scores in the country for the quality of our internal processes, our commitment to best practice and for the development of our employees. GUK has been assessed as being in the top 0.5% of companies providing manned guarding services in the UK.

In a highly regulated environment, with client needs at the forefront of everything we do, we continually evolve our robust quality assurance systems so they withstand the intense scrutiny of clients and regulators.

We are proud to have achieved the following accreditations from leading industry bodies, in recognition of our consistency in delivering excellence at each stage of service delivery through the fundamental principles of clarity, honesty and integrity.

SIA Approved Contractor

SIA Approved

Guarding UK Limited holds SIA approved contractor status for the provision of Security Guarding Services, Key Holding and CCTV.


Safe Contractor

A leading health and safety pre-qualification assessment scheme.



ContractorPlus provides a robust contractor health and safety pre-qualification system.



SSAIB is a leading Certification Body offering for providers of guarding security services.

C02e Assessed

Guarding UK, working with the Carbon Footprint Company, has assessed its Carbon omissions as part of a continuing commitment to sustainability and environmental accountability, an important step in the endeavour to be a carbon neutral organisation.

ISO9001 Logo

SSAIB – ISO 9001

SSAIB – ISO 9001 for Static Guarding & Mobile Patrol Services
SSAIB – ISO 9001 for Keyholding Response Services



SSAIB – ISO 14001 

ISO 14001 is part of international standards applicable to any organisation, relating to environmental management.

18001 Logo


OHSAS 18001 is an international standard giving requirements related to health and safety management systems.

What Our Clients Say

“GUK have proved to be diligent and effective with the basics of guarding, but also very helpful in finding solutions to tricky problems. Communications between the company and us are excellent and their directors have strong personal involvement and interest in the jobs and the goals of our company generally.”

Andrew Thomson, Commercial Manager – Freshwater Group of Companies

“I have found GUK to deliver a far superior service to any of the other security companies I have dealt with. Their senior management are always available however small an issue may be. They have always been reactive and also proactive, looking at more efficient ways of providing manned guarding to save cost.”

Richard Gammie, Partner – Montagu Evans LLP

“GUK consistently deliver excellent security solutions adapting easily to our evolving needs, gaining valuable on-site knowledge so they can provide 24 hour security at the remotest of locations. They show commitment to our security challenges at every level, utilising previous experience and long-standing site knowledge to develop security solutions that other firms have not been able to achieve.”

Jonathan Hannibal, Partner, Asset and Property Management – Glenny

“Performance against target is visible throughout the operation. GUK makes good use of modern technology and is an innovator when it comes to the deployment of use of technology.”

SSAIB assessor part of the ACS Report

“Guarding UK have been working with us for over a year, they are highly customer orientated and their dedication to working with us in partnership is readily evident, we would recommend them as a first rate Security company”

Isabella McGauley, Park Cakes

Got a Security Challenge? We’d Love To Help

Contact us now to find out what we can do for you. | 0870 224 0277