Welcome to Thelien Security Group

We know that trust is the most important factor when choosing protection for loved ones, people and property.  

At Thelien Security, we are more than just a safe pair of hands. Our professional, highly-trained team takes the time to understand your needs and provides a tailored service, giving you the confidence that all eventualities are covered. 

Whether it is your home, family, staff, events or assets, we have the experience and skills to secure what matters most to you or your business.

Our Core Values

Thelien Security Group believes that by maintaining our core values, we will be able to achieve and build effective working relationships with both our clients and staff – Therefore enhancing the level of service offered.

Our Core Values:

  • Transparency
  • Quality 
  • Respect 
  • Team Work
  • Security Officers

    Security guards are an effective deterrent to potential thieves and trespassers.

  • Residential Security

    A home should be a safe haven, where families feel protected and their valuables secure

  • Event Security

    Whether it’s a smaller gathering such as a wedding, or a large public event such as a music festival or sporting fixture, attendees expect visible safety and security

  • Dog Patrols

    A well-trained security dog is an exceptional deterrent to intruders.

  • Key Holding

    When you appoint us as keyholders, you are enlisting a full and thorough security assessment and response service for your property.

  • Alarm Response

    Our highly trained officers will respond in marked vehicles, check your property and contact the authorities if necessary.

Our Mission Statement

“Thelien Security Group has a definitive vision which is to surpass expectations within the security industry, as recognised by our clients, employees and competitors alike.

To achieve this, we will be transparent, reliable, dependable and innovative in everything we do.

We will create stable, loyal partnerships with our clients, providing a full range of professional and tailored security services created for our clients' specific requirements.

Our company prides itself in delivering the highest level of customer service and satisfaction across our client and staff base”.

Thank you for your proffesionalism and competency! The security measures that you and your team implemented really made my staff feel reassured and allowed us to continue full operations! Same Day Dispatch Ltd look forward to working with you in the future.

Same Day Dispatch

Highly reliable and responsive security group - can provide support at short notice - delighted with the service.

Simon Bouton