G&A is a leading locksmith and security solutions provider specializing in mechanical and electronic security hardware.

Our company has over 45 years of experience serving customers throughout Waterloo region and Wellington County. As one of the largest security solutions providers, we have the manpower needed to complete all types of projects, no matter the size, quickly and efficiently – at a competitive price. We are an authorized dealer for leading high security brands such as Medeco, Mul-T-Lock and Bosch. Without hesitation, we know G&A Lock and Security will exceed all of your security needs.

What's New

G&A Lock & Security Now Part of
William Knell & Co

Kitchener, Ontario (June 7, 2012)

William Knell & Company Limited (Knell’s), a leading supplier of industrial supply and door & hardware products in Waterloo region proudly announces that they have acquired well known locksmith and security services company G&A Lock Service Ltd (G&A).

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Our Suppliers

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