Grey Investigators was founded over 7 years ago by ex military personel who knew they could use their knowledge gained from overseas surveillance scinareos and adapting it for use in the investigation industry. With extensive armed forces experience our agents always gather the best intelligence. Training and experience being provided by only the most creditable regiments. Our elite specialists are trained by The Parachute Regiment, Marines, SAS, SBS and SRR. Its no wonder how we have become the most reliable company in britain.