Avantguard Security

A Security Business created just for you – we think you’ll like it!

Avantguard Security are a trusted local security company.  We are focused on delivering a reliable service in Sussex by protecting your business, your premises, your people and your assets.

We provide Security Officers, Mobile Security Patrols and Keyholding & Alarm Response services.  Using Avantguard’s services can help you reduce the risk of intruders, reduce your downtime and could even cut your insurance premium.

Our clients trust us and to see what they say, just take a look at the testimonials on our website.

Everything we do is underpinned by a vision and set of values that were developed by our entire team.


To be the local security company of choice by providing the best professional service.


Avantguard Security Ltd are committed to providing excellent service by operating with honesty and integrity, thereby building strong relationships with customers, staff and suppliers.

Core Values

  • We operate with honesty and integrity.
  • We are committed to quality and excellence in everything we do.
  • We value people and treat them with respect.
  • We have pride in the professional services that we deliver.

Avantguard are part of the SIA Approved Contractors Scheme (ACS) which is an independently accredited scheme managed by the Security Industry Authority.  We support and uphold the SIA’s mission to reduce criminality, raise standards and recognise quality service within the private security industry.