The UK Home Office is now accepting the TOEIC and the TOEFL exams as proof of your English level for visa and immigration requirements. For more specific details follow these links;
ETS website: www.ets.org
EC London runs preparation courses for both the TOEFL and TOEIC exams and is even an official TOEIC exam centre. Check the link from the EC London homepage for details of the next TOEIC exam.
For any questions about these exams contact Cameron