Thornhill Security Ltd

Defence Security

Thornhill Security has a long history and a wealth of experience in the supply and service of security products which meet either a recognised European or SEAP/CPNI standard.

We can offer our customers site surveys, technical advice and offer bespoke design systems to meet their security requirements.

We have an exceptional level of customer loyalty, which gives a solid business relationship built on trust and dedication to provide the best security solution for every challenge that we are confronted with.

Defence Security Products

Rhino Security Steel doors from Thornhill security

Rhino Doors are a UK based manufacturer of robust, high security doors which can be used in the most demanding environments including the defence industry. 

At Thornhill Security, we supply a range of Rhino products and can offer recommendations and advice on their security doors.

Manufactured in a controlled environment, our modular rooms make use of modern construction methods to provide a versatile product offering an extremely high level of protection.
At Thornhill Security, we offer a complete range of key cabinets to suit your requirements. 

Safes are an irreplaceable security product in defence environments where valuables need to be securely stored.

At Thornhill Security, our own Bristol range offers a range of safes in three different grades to meet your requirements. 

Mul-T-Lock is renowned for its commitment to crafting superior, cutting-edge security locks and access control systems throughout the United Kingdom and Ireland. 
At Thornhill Security, we have worked with Mul-T-Lock for several years and our team has an excellent working knowledge of their range.

Fast Response Time Guaranteed

+44 117 9674994


We were very impressed with the 2 guys that carried out the work in difficult conditions.
Mr Aspnell
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