Master key systems

A master key system

A master key system is a sytem when one key can open more than one door. It is a very effective security solution, though it can be a bit complex.

Mster key system for an office

We specialize in master key systems. That means you don’t need to wait days and days for the additional keys to be provided. The locks and keys will be provided by us.

There are many manufacturers for master key systems, some of them are Abloy, Assa, Union, Grundman, Abus, Iseo, Mul T Lock, DOM and Kaba. We can deal with all of them.

Master key system explained

There is a kind of hierarchy when you think about master key systems. It is a great flexibilty when you can decide who has access to what properties.

Grand Master Key is the top key. The keys beneath that one are simply called Master Keys. But there are also Sub Master Keys. And the lowest level keys with the least access are called User Keys.

The Grand Master Key can open all of the locks. Master Keys can open less amount of locks. And User or Servent Keys can open only one lock.

All of this can also be done with a fob and card type of digital keys and locks. There can also be a centrilized control point set up. That can help monitoring the use of keys.

Who master key systems are for?

We work for your home and also for your business. Who could benefit from having a master key system installed?

  • Housing associations
  • Public facilities
  • Commercial, retail and manufacturing properties
  • Buildings with multiple entry points
  • Schools and universities
  • Apartment blocks
  • Hospitals and healthcare building

Proper security by using master key systems is not something that has to break the bank.

Speak to your locksmiths here. You will be able to find out how we can provide the best most applicable master key system which suits your home, your business and your budget. Don’t hesitate to get in touch today. You can also look for answers of your lock related questions in our News and Views page.

What are Master Key Systems?

Master key systems are sophisticated locking mechanisms that allow for the use of a single key to access multiple locks within a building or a system. These systems are designed with hierarchical structures, enabling different levels of access for various individuals or groups. With a master key system in place, authorized personnel can unlock specific doors while others can only access designated areas.

Benefits of Master Key Systems

Enhanced Security and Access Control

Master key systems provide a high level of security by restricting access to unauthorized individuals. By granting access to specific areas based on user roles or permissions, these systems help prevent unauthorized entry, theft, and other security breaches. Moreover, the ability to create a hierarchy of access levels ensures that each individual has the appropriate level of access to the areas they need, without compromising overall security.

Convenience and Flexibility

Gone are the days of carrying a bulky keychain filled with numerous keys. With a master key system, you can simplify your life by reducing the number of keys required to access different areas. Whether you are a homeowner, a business owner, or a facility manager, having a single key that can unlock multiple doors saves time and eliminates the frustration of searching for the right key.

Key Control and Management

One of the key advantages of master key systems is the enhanced control and management of keys. With a well-implemented system, you can keep track of who has access to specific areas and maintain a record of key usage. This allows for easy identification of any security breaches and enables efficient rekeying or key replacement when needed.

Flexibility for Evolving Needs

As your security requirements evolve over time, master key systems offer the flexibility to adapt and accommodate changes. Whether you need to add or remove access for individuals, reconfigure access levels, or expand the system to cover additional areas, master key systems can be easily modified without the need for extensive changes or replacements.

Implementing a Master Key System

Implementing a master key system requires careful planning and consideration. Here are the key steps involved in setting up an effective system:

  1. Assess Your Security Needs: Before implementing a master key system, evaluate your security requirements and identify the areas that need controlled access.

  2. Design the System: Collaborate with a professional locksmith or security expert to design a system that suits your specific needs. Consider factors such as the number of access levels, the number of keys required, and any future expansion plans.

  3. Key Hierarchy: Establish a hierarchy of access levels, with each level having its own set of keys. The master key should grant access to all locks, while sub-master keys should provide limited access to specific areas.

  4. Key Duplication Control: Implement strict key duplication policies to ensure that unauthorized copies of keys are not made. This helps maintain the integrity of the system and prevents security breaches.

  5. Installation and Testing: Engage a professional locksmith to install the master key system and thoroughly test its functionality. Ensure that all locks and keys are functioning as intended and that the access levels are correctly configured.

  6. Training and Documentation: Provide comprehensive training to authorized personnel on how to use the master key system correctly. Create documentation that outlines the key hierarchy, key usage policies, and any procedures for rekeying or modifying the system.

Frequently Asked Questions (FAQs)

Q: What are the different types of master key systems?

A: There are various types of master key systems, including single-level, multi-level, and grand master key systems. Single-level systems grant access to a specific set of locks, while multi-level systems have sub-master keys that provide access to a group of locks. Grand master key systems offer the highest level of access control, allowing for multiple levels of sub-master keys.

Q: Can master key systems be integrated with other security systems?

A: Yes, master key systems can be integrated with other security systems, such as electronic access control systems or surveillance systems. This integration enhances overall security and allows for centralized management and monitoring of the various security components.

Q: Are master key systems suitable for residential properties?

A: Yes, master key systems can be implemented in residential properties to enhance security and convenience. Homeowners can benefit from having a single key that unlocks multiple doors, eliminating the need to carry a large set of keys. It also allows for granting limited access to housekeepers, maintenance personnel, or other individuals who require temporary access to specific areas.

Q: How long does it take to install a master key system?

A: The time required for installing a master key system depends on the size and complexity of the project. For a small residential property, installation can typically be completed within a few hours. However, larger commercial or institutional installations may require several days or weeks to ensure proper installation and testing.

Q: Can a master key system be upgraded or expanded?

A: Yes, master key systems are flexible and can be upgraded or expanded as needed. Whether you need to add new locks, modify access levels, or integrate with other security systems, a well-designed master key system can accommodate these changes without significant disruption.

Q: What should I do if I lose a master key?

A: If a master key is lost, it is essential to take immediate action to maintain the security of the system. Contact a professional locksmith to rekey the affected locks and issue new keys. Additionally, assess the security risk and consider modifying the system if necessary.


Master key systems offer a comprehensive and efficient solution for managing access control in various settings. Whether it’s a residential property, a commercial establishment, or an institutional facility, these systems provide enhanced security, convenience, and flexibility. By understanding the benefits and implementation process of master key systems, you can make an informed decision and secure your property effectively.

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