Quick Answer: Investec is an Anglo-South African international banking and wealth management group, founded in Johannesburg, South Africa. It provides a range of financial products and services to a client base in Europe, Southern Africa, and Asia-Pacific. Investec is dual-listed on the London Stock Exchange and the Johannesburg Stock Exchange. It is a constituent of the FTSE 250 index. They are the current primary sponsors of the European Rugby Champions Cup.