Protect what matters to you.
Elevator Security Systems
Keeping your staff and residents safe
Discover how access ...
Keri Systems Informational Resources
Access Control Resources
Over 90,000 Organizations Chose Keri When Security Mattered Most
"Our lead tech, John McCleery, and I are very appreciative of your support with this project as well as your support in the past" - Security21
90,000+ Installs
Thousands of successful installs and lessons learned.
"Working with Keri is like hitting the Easy Button. It's just a great partnership" - Rick Estess
15+ Million Cardholders
Over 15 million people use Keri Systems credentials.
"Thank you for your top-notch professionalism and amazing customer support" - American Knights Security
37 Countries
Keri Systems has installations and experts around the world.
Protect what matters to you.
Multi-tenant residential access control
Getting the most out of access control and ...
Access Control & Security Specialists
What is Cloud Access Control?
A modern approach to access ...
What is Anti Passback?
Prevent the passing back of access credentials
Companies Choose Keri When Security ...
Access Control & Security Specialists
Why upgrade to OSDP?
Enhanced security for access controlWhy upgrade ...
Access Control & Security Specialists
Fail Safe vs Fail Secure in Access Control
What do you need to ...
Access Control & Security Specialists
How to buy access control and safely secure your building
Safeguard ...
Access Control & Security Specialists
Choose the right solution for you
Get the value for money you ...
Access Control provides many opportunities to find significant returns on your investment.
Whether you are a ...
Protect what matters to you.
The benefits of access control
What can access control offer, and how can it ...
Organizations Choose Keri When Security Matters MostLook for a Solution that is Intuitive
Access Control Software ...
Proactive Security vs. Reactive Security
Access control is the only proactive security measure you can choose, ...