Accreditations and associations

Quality standards and accreditation

At Shield we pride ourselves on delivering high levels of professionalism and expertise for all our customers. Excellent customer service is the foundation for all that we do and to underpin this we are linked to a number of accreditations and associations.

Security Industry Authority (SIA) Approved Contractor Scheme (ACS)

Shield Security has been a member of the Security Industry Authority (SIA) Approved Contractor Scheme (ACS) since the scheme was established in 2006. As a voluntary scheme, members of SIA ACS undergo an annual audit to qualify for approval.

Every year since 2006, we have proudly scored in the highest percentile of SIA ACS assessed companies – only 25% of all accredited security suppliers achieve this level; making us one of the UK’s leading ACS approved security companies.

ACS Pacesetters

Our SIA ACS accreditation also makes us eligible to join ACS Pacesetters, only a small number of companies nationwide are able to become members of ACS Pacesetters. Through this scheme we are able to demonstrate to our customers that we are industry leaders in the security sector and means that we provide outstanding levels of service for our customers and highest possible care for our staff

Chamber Certification Assessment Services (CCAS)

Shield is fully accredited to all relevant ISO standards. CCAS provides certification services for ISO Standards.

The Security Institute

The Security Institute is the UK’s largest membership organisation for security professionals. Shield Security is a proud supporter of the Institute, which requires individuals to have extensive experience and training to join.

City & Guilds

City & Guilds is a world-leading, vocational, education organisation. Shield offers a wide range of City & Guilds accredited security training courses. Visit our security training page for more details.

Chambers of Commerce

Shield is a member of Hampshire, Surrey and Sussex Chambers of Commerce. The Chambers help British businesses to build relationships at every level; connect businesses locally, nationally and internationally, with other companies, decision-makers and opportunities. The Chambers also act as a respected voice for business.

International security

Shield Security Services provides security training and consultancy internationally. Visit our security training and consultancy pages for more details.

If you are interested in setting up a company in the Middle East, contact us in confidence at and take advantage of our Middle East Advisory Service. Shield co-operates with the relevant accreditations and associations in security training and security systems auditing internationally.