Contact Us Main Office GB Security Group Security House High Street Donington Spalding Lincs   PE11 4TA   Phone calls may be recorded.   Office Tel: 01775 821100 Office Fax: 01775 821395 Sales Email: enquiries@gbalarms.com 24 Hour Control Centre Tel: 01775 823024 Fax: 01775 823026 Email: enquiries@gbmonitoring.co.uk Departmental Contacts David Simpson Director - Intruder & Fire Neil Jackson Director - CCTV & Access Control Tom Smith Director - GB Monitoring & Security