Keystone provide an array of security and risk mitigation services to both residential and commercial customers. We provide security guarding for events as well as high visibility mobile patrols. Across our catchment area we give peace of mind through dependable alarm response and secure keyholding. We have bases in Buckingham and Aylesbury, allowing us to serve customers across the Aylesbury Vale and beyond. 

We operate across Aylesbury Vale, parts of Oxfordshire and Bedfordshire. Primarily we are able to reliably serve:

• Buckingham
• Winslow
• Aylesbury
• Bicester
• Whitchurch
• Wing
• Whaddesdon
• Long Crendon
• Thame

While these are examples of towns we serve, it is not exclusive. If you are not sure if we can help, please contact us and let us know where you are located and our team will answer any questions you have. 

We pride ourselves on being a local service, meaning we are available when you need us. Our local focus means we understand the region and its geography, meaning faster response and a greater level of local understanding when applying risk assessments and evaluation. 

Our team understand that we are a part of our community, and the quality of service we provide reflects that. 

You can find out more about Keystone SG Ltd, and our services by visiting our about us page, or you can take a look at our services using the links below.