DNV GL Business Assurance UK Ltd. Home DNV GL Business Assurance UK Ltd. Contact 30 Stamford Street, Vivo Building, 4th Floor SE1 9LQ London, United Kingdom T004420 7357 6080 website Type of training FSSC 22000 Internal Auditor Course FSSC 22000 Lead Auditor Course Implementing FSSC 22000 Understanding FSSC 22000