About KIRK

We Believe that Everyone has the Right to be Safe at Work!

To ensure safety, the risk of hazardous energy and/or equipment needs to be controlled. Our trapped key interlock safety systems and safety components provide our customers with solutions to control these risks. The result? We create a safer, more secure work environment across a multitude of industries, including Energy, Manufacturing, Industrial, Logistic and Transport.

Kirk Key is part of the Sentric group, which consists of three sister companies Kirk in the US, STI in France and Castell in the UK. Sentric group produces uncompromising safety solutions for businesses whose people and equipment operate in harsh and safety critical environments.  

The Sentric group is part of the Halma Group

What We Do

KIRK designs and manufactures interlock safety solutions to ensure the safety of workers and the efficiencies of operations.  KIRK manufactures more than 70,000 safety components each year for use in a wide range of industries, guaranteeing a sequential pattern of safe operations for isolating energy and safely accessing hazardous areas. KIRK safety products and solutions are designed and configured to each user’s requirements, providing protection of workers and peace of mind for our customers.

Who We Help

We partner and educate OEMs, design firms, and end users on the benefits of our safety systems and work with industrial and safety associations to standardize the use of these systems.  Ultimately, we are helping to design the safest interlock solution for the application and to ensure the safety of everyone!

How We Protect

Our products include mechanical interlocks, electro-mechanical interlocks, solenoid key release units, time delay key release units, transfer panels, and smart technology. Proper application of our safety interlock systems guarantees that a sequential pattern is followed for each step of a prescribed sequence, eliminating human error and ensure worker safety.

Why you can trust us

Established in 1932, we’ve long been the pioneering industry leader in interlocks.

Read about our story here

Backed by FTSE 100 Halma

Halma plc is a global group of life-saving technology companies. Our companies provide innovative solutions to many of the key problems facing the world today, from water security to preventable blindness.

Halma is a FTSE 100 company with over 6,300 employees in around 41 subsidiaries worldwide. Together we have a purpose that drives everything we do: Growing a safer, cleaner, healthier future for everyone, every day.

Growing a safer, cleaner, healthier future for everyone, everyday

Join our team

We’re always looking to add the best talent to our team. You can browse opportunities in Join our Team section.

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