From Simple to Highly Complex,
Master Key Systems for Every Environment.
City Lock & Safe Ltd are Master Key System specialists.

Patent Protected Master Key Systems by City Lock & Safe Ltd.
Mul-T-Lock, EVVA & Dormakaba Solutions



As security advances and the choice of Master Key Systems become more diverse, you need to know what systems suit your requirements.
Master Key Systems are smart, scalable and super- effective keying solutions in which selected keys are configured to open several predefined entries, using different types of locking products and efficient planning. These locking systems provide organizations with seamless access control while economizing on the number of keys in circulation.

Large range of solutions designed to address any locking need

Scalability to serve a dynamic and growing environments

Complex system-design capabilities to adapt to your requirements

Incorporate a wide range of products to the system with a single key

City Lock & Safe Ltd offer a wide range of master key solutions to address the varying needs of different business sectors and their unique environments. Our professionals will help you design, build and maintain master key systems (MKS) that grow and adapt with you.
We will provide you with everything you need to create the ideal system that’s highly effective and efficient, including ongoing expert support.
City Lock & Safe Ltd are Master Key System specialists, the service includes…
Patent protected Master Key Systems offer security protection against unauthorised key cutting, forceable entry, and lock manipulation. Unique key profiles ensure users cannot have keys copied without correct authorisation.
Initial site survey to establish your requirements
System Design using the latest in-house software allowing complex system design capabilities
Ability to incorporate a wide range of product types into the system using a single key
Assembly in-house by the dedicated team (stock held in component form)
Keys cut in-house available for a quick turnaround or delivery
Installation & Integration
Expert support, management & maintenance
Benefits to the Master Key System
Why we use Mul-T-Lock
Trusted by locksmiths to deliver quality products
Mul-T-Lock® is a worldwide leader in developing, manufacturing and marketing High Securityproducts and Access Control solutions to theresidential, commercial and institutionalmarkets, for over 40 years.
Adhering to the most stringent security standards, Mul-T-Lock products are sold via 20,000 authorized andtrained service centers on every continent.