Callister is a consultancy that specializes in business operations; marketing; communication; customer relations and support services for start-up and established companies. Callister creates and delivers solutions to:•launch a new business venture•handle faster growth than the existing infrastructure can support•change the current way of doing business •provide interim management for staff leaves and vacanciesCallister's expertise includes:•office facilities and management •staffing strategies and recruitment •business and operational systems and processes •strategic and tactical marketing initiatives •internal and external communications •customer relations