The historic overseas bank was established in London in 1828 as Leslie & Grindlay, agents and bankers to the British army and business community in India. Banking operations expanded to include the Indian subcontinent, the Middle East and elements of Africa and Southeast Asia. It was styled Grindlay, Christian & Matthews in 1839, Grindlay & Co from 1843, Grindlay & Co Ltd from 1924 and Grindlays Bank Ltd in 1947 until its merger with the National Bank of India.