Sentric unites Castell, Kirk, Salvo, STI & Zonegreen

Together for a safer tomorrow

To help you ensure the long-term protection of your people, productivity and business reputation, Sentric has united the world’s leading safety solutions and trapped key interlock brands.

About Sentric

If your business operates in harsh, safety-critical environments, the risks can be many and complex. To help you safeguard the long-term protection of your people, productivity and reputation, Sentric has united the world-leading safety solutions and trapped key interlock brands – Castell, Kirk and STI.

Trusted experts for over a century, these highly respected brands stand united behind a shared ethos: No compromises on safety. Alongside this they bring industry-leading in-house capabilities which means we can quickly and efficiently customise solutions around your safety challenges.

Our Brands

Together, our brands are helping create safer workplaces across a wide range of industries, from Energy and Manufacturing to Industrial, Logistics and Transport.

Castell

Zonegreen

Kirk

Salvo

STI

Why choose us?

What sets us apart is our unique combination of expertise and products, that keep your people safer and more productive for longer, and capability to deliver tailored solutions with shorter lead times.

Shot of two men shaking hands in a large warehouse

Your trusted safety experts

Sentric has united the world-leading safety solutions and trapped-key interlock brands – Castell, Kirk and STI, which means you can confidently put your trust in us to reduce risk, lower costs and ensure full compliance. These highly respected brands stand united behind a shared ethos: No compromise on safety. Having kept people safe at work for over 100 years, you too can trust our expertise.

Long-term protection and productivity

When you partner with us, you can enjoy ultimate peace of mind knowing that the products we offer are not just ultra-reliable but are also engineered to be tough and long-lasting, to withstand even the most demanding work environments – for decades to come.

A low-down shot of a trainee mechanic standing on a cherry picker, she is wearing a protective hard hat, hi-vis jacket and warm clothing.

Tailored Solutions

Our industry-leading in-house capabilities means we can quickly and efficiently customise solutions around your specific safety challenges and business needs – on time, every time. Because we believe nobody should have to wait for safety.

Young engineer wearing a helmet and using a laptop during his night shift. Engineering concept.

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