To become a pharmacist in the UK, you need; an MPharm degree awarded by a University with a School of Pharmacy in the UK and a total of one year of pre-registration training in an approved pharmacy establishment. You are also required to have passed a registration assessment set and administered by the General Pharmaceutical Council as well as a declaration that you are fit to practice as a pharmacist. Having fulfilled all this, you can then apply to join the register of pharmacists currently held by the General Pharmaceutical Council (GPhC).
How to Become a Pharmacist? – http://answers.ask.com/Health/Pharmacy/how_to_become_a_pharmacist