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Welcome to the Security Group

The Security Group Ltd (TSG) is a Security Service provider offering premium security services to leading organisations and government departments throughout the UK.

Our Security Officers

Quality with TSG begins at staff selection. We actively invest in the personal development of our officers to ensure they are equipped with the relevant skills to deliver our premium security service.

Reception Personnel & Mailroom Services

Our receptionists are of the highest calibre with exceptional interpersonal skills presented with an image designed to complement your commercial identity.  

Industrial and Commercial

TSG has a wealth of experience in providing bespoke security solutions to all our clients resulting in strong partnerships that have evolved over many years.

Retail Security

TSG and its employees have many years of security experience with retail parks, shopping centres, department stores and other retail outlets.


We're specialists in:

  • Security Guarding and Reception Personnel
  • Remote Monitoring and Intelligent RM
  • Mobile Patrols 
  • CCTV and Access Control 
  • Key Holding 

We are The Security Group (National) Ltd. Our aims, objectives and company ethos are central to what drives us forward as a company and mean that you can rely on TSG for pro-active and innovative solutions to every security challenge faced in the modern day, in all core industry sectors.

Great People, Great Service, Great Performance

The Security Group (National) Ltd (TSG) is a Security Service provider offering premium security services to leading organisations and government departments throughout the UK. TSG ranks as one of the most highly-certified security companies currently operating in the UK. We're a premium security provider and that's where we are staying.

Great People

Our Security Officers are of the highest standard and are screened/vetted according to British Standard 7858. This means that you can be sure when you invest in TSG, you're investing in the best. We differ from most security providers due to our unique relationship with the Gurkha Community, which originates from our offices in Nepal.

Great Service

Our aim is to become the leading preferred supplier of security services in the UK. We seek to continually develop our resource by investing in our people and technology, and consciously adapt to the changing needs of each of our clients.

Great Performance

With audit scores placing us in the top 5% of Security companies in the country combined with a rich company heritage spanning over 25 years, you can be sure that when you select The Security Group as your Security provider, you are making the right choice.

I have found them to be very professional in their service, perceptive of our requirements and fully committed to meeting our expectations.
Interserve,  Associate Director
The TSG contingent makes up a substantial part of the Security Department spread out on 11 sites. TSG as a Company & as Management have reacted well/learned fast to our growing (and...
Heathrow Airport,  Security Operations Manager
I have found them responsive, proactive and professional in every way and feel secure in the knowledge that my site is being run in such a positive way.
King Sturge,  Senior Contracts Manager