Fortress Interlocks Ltd


Safety systems for people at work

Fortress Interlocks makes safety products to protect people and plant equipment in industrial environments worldwide.

Products and services

  • Modular trapped key interlocks
  • Safety gate switches
  • Access and control systems


  • Steel and heavy industry
  • Power industry
  • Mining
  • Brewing, beverage and food production
  • Automotive
  • Water and sewage treatment
  • Manufacturing
  • Robotics

The company's trapped key technology and safety gate switches are used in industry to isolate hazardous energy at machinery and dangerous equipment. Safety interlocking provides a system that eliminates human error and prevents industrial accidents by ensuring a safe sequence of events.

Fortress has been designing and manufacturing safety products for over 40 years. Its headquarters are located in Wolverhampton, UK and it has regional offices in The Netherlands, USA, Australia and China and vast distributor network worldwide.

Fortress operates within the Halma Process Safety Sector.

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Accreditation and standards

Fortress is committed to ensuring its products consistently meet customer expectations with quality accreditation ISO 9001.

The company takes its impact on the environment seriously complying with ISO14001 environmental management system. It is also accredited by health and safety management system OHSAS18001 to continuously monitor and benchmark its performance to safeguard employees.


Head Office location

Fortress Interlocks Ltd, Inverclyde Drive 2, Wolverhampton, WV4 6FB, United Kingdom

Tel: +44 (0) 1902 349000

The Netherlands
Tel: +31 10 7536060

Tel: +1 859 578 2390

Tel: +61 (0) 3 9771 5350

Tel: +86 21 5206 8686-104