About Us


Grey Line

With over thirty years proven track record we are ideally placed to meet your individual requirements with a unique range of bespoke steel security products.


Whether the problem is security, vandalism, mis-use or entry control, the Liddle range of products can be relied upon to provide the highest level of security in an aesthetically pleasing way. Our company offers a first class customer service to match the performance of our products.

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Market Sectors

  • Water/Electricity/Gas Companies
  • Telecommunications
  • Rail Industry
  • Local Government, Banks & Financial Institutions
  • Retail & Leisure
  • Education & Health Authorities
  • Housing Associations
  • Construction Industry