Optimal Service Management
 Optimal Service Management Ltd. provides consulting and training services to improve the efficiency and security of IT service delivery. The company, owned by Stuart Rance, also creates content for various platforms, including websites and webinars. 
- ITIL training courses
 - CISSP training courses
 - RESILIA training courses
 - Custom ITSM training courses
 - IT service management consulting
 - Presentation creation and delivery
 - Content creation for websites and blogs
 - Information security management consulting