At GSTS, we deliver trusted security services backed by recognised certifications and accreditations, supporting clients across the UK.

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We are passionate about providing high-quality security solutions, from uniformed officers to bespoke training and consultancy. Our commitment to excellence is reflected in the way we support our front-line staff, ensuring they’re equipped to provide the best possible service across all regions.

With industry-recognised certifications like ISO 9001, 14001 and 45001, alongside our accreditation as an SIA Approved Contractor (ACS), you can trust us to prioritise your safety. From the moment we start working together, you’ll have a dedicated manager to assist you around the clock, ensuring your security needs are always met. It’s our privilege to serve you.

GSTS delivers exceptional value for money and high-quality services to clients across the UK, driven by our greatest asset – our people. We are committed to becoming leaders in specialist training, empowering our teams to deliver their best every day.

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Mission Statement

At GSTS, our mission is to provide exceptional security solutions that protect people, property, and communities with professionalism, integrity, and innovation. We believe security is not just about vigilance – it’s about trust, service excellence, and making a meaningful impact.

Our people are at the heart of what we do. We invest in their growth, well-being, and professional development, ensuring they are empowered to deliver the highest standards of service. Through continuous learning, cutting-edge technology, and a commitment to ethical leadership, we create an environment where both our employees and the communities we serve can thrive.

With a focus on social value, we actively contribute to local economies, support diverse recruitment, and champion sustainability. By building strong partnerships and adapting to the evolving security landscape, we don’t just safeguard today – we shape a safer, more inclusive future for all.

Our people drive our business.

CORE VALUES

Integrity

Integrity is the foundation of how we operate, we always try to do the right thing. We uphold the highest standards of integrity in everything that we do.

Excellence

We have an unrelenting drive and passion to deliver excellence in all that we provide to our customers.

Customer Focussed

We are 100% committed to doing what is right for our customers. We want them to keep coming back and to recommend us to others.

Respect

We treat our team members, customers, partners and suppliers with mutual respect and sensitivity, recognising the importance of diversity. We respect all individuals and value their contributions.

Ownership

We accept personal accountability to meet our business needs, improve our systems and help others improve their effectiveness.

Innovation

We innovate to ensure our services are able to meet the present and emerging challenges within our sector.