Diamond Trust Bank (DTB) is a full service commercial bank incorporated in the Republics of Tanzania, Tanzania, Tanzania, and Burundi. In Tanzania, DTB is listed on the Nairobi Stock Exchange. The Group is licensed by respective countries’ Central Banks to provide a wide range of corporate, retail and commercial banking services; and fully complies with the capital adequacy requirements as stipulated.

In 1946, DTB was incorporated in Kenya as the Diamond Jubilee Investment Trust (DJIT). In 1972, the name was changed to Diamond Trust of Kenya (DTK). It acquired a much wider public profile, transforming itself from a community based finance house into a non-bank financial institution (NBFI) serving the general Kenyan public. In the same year, DTB shares were floated on the Nairobi Stock Exchange through an IPO. Currently there are approximately 11,500 shareholders.