How many years does it take to get promoted to senior at Deloitte in London, UK?

Three years. Deloitte is divided into three gradesunior, senior, manager, each grade is further divided into three levels, are a year to rise a small level, so Deloitte in London, UK to rise senior to three years. Deloitte has 8,800 experts in the global life sciences and healthcare industry, Deloitte's clients include the world's top fifteen pharmaceutical companies, the world's top ten medical device manufacturing companies, the world's top ten biopharmaceutical companies, and the global Fortune 500 in 2015, 83% of the life sciences and healthcare industry companies are Deloitte's clients.