Please let us know if you have a question, want to leave a comment, or would like further information about Oliver Wyman. Fill out my Wufoo form! Fill out my online form. Main office Building 1, 6th floor 11 Alice Lane Johannesburg 2196 South Africa Tel: +27-11-0607100 Details Global Locations The Americas Europe India, Middle East, And Africa Asia Pacific Services overview (in English)