20+ years of ‘master keying’
experience at your disposal...
Master Key Systems MKS Ltd are a family owned business which have been designing and manufacturing Cylinder Master Key Systems for over 20 years.
We stock a wide variety of products including our own manufactured 5 & 6 pin master key system developed from its predecessor the E Suite 5 pin which has been in general circulation for over 15 years in applications as diverse as B & B's to MOD sites.
Promaster has been developed from our very successful PRO series and is an entry level BSEN 1303 accredited range of cylinders for Master Keying.
Unravelling the master key system…
Expert advice is just a click away – let us answer your master keying questions, or simply DOWNLOAD our master keying planning chart
Watch our short movie to see what makes us different 
MKS - case study
Find out how we helped the University of Wolverhampton facilities management team solve a door locking problem…
Master Key Systems MKS Limited.
Unit 17 & 18 Merryhills Enterprise Park
Park Lane
Wolverhampton
West Midlands
WV10 9TJ
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