SIA Approved Contractor Status - Fully Licensed & Trained Security Guards. It is the mission of Kingdom Security Ltd to be recognised as the UK's foremost security guard company, with its Head Offices in St Helens and additional offices in Manchester, Oldham, Bradford, York, Stoke, Stafford and Birmingham. We offer services for Alarm Response & Keyholding, Retail Security, Mobile Patrols, Static Guards and more. Please visit our website for full details and other security news & information.