On 1 November 1981 the law firms of Azman & Co. and the Ipoh office of Lewis & Co. merged to form Azman, Davidson & Co. in Ipoh, Perak. The firm of Lewis & Co. was named after its original senior partner, Mr. JMM Lewis, who had practised in Ipoh from the year 1930 to the year 1978 except during the Second World War. The practice of Lewis & Co. revolved largely around the tin mining industry, then the backbone of the Malayan economy. The firm represented all the major participants in the mining industry.

Immediately after the merger, Azman, Davidson & Co. established a branch office in Kuala Lumpur. The Ipoh and Kuala Lumpur branches of the firm went their separate ways in 1995. The present firm of Azman, Davidson & Co. grew out of this branch in Kuala Lumpur.

From small beginnings as a branch, and an outfit of one full-time lawyer, the firm of Azman, Davidson & Co. in Kuala Lumpur has grown to a full service firm of 13 partners, 17 associates and 50 support staff.

Mr. W.S.W. Davidson, associated with Lewis & Co. since 1970, became joint senior partner of Azman, Davidson & Co. with the merger in 1981. In June 1985, the present managing partner, Mr. Francis Tan joined the firm. Although Mr. W.S.W. Davidson retired from the partnership in 2000, he is currently a full time consultant with the firm.

Azman, Davidson & Co. currently has practitioners in various branches of the law and has matured into a full service firm with a full range of corporate and commercial legal services sought after by companies, financial institutions, non-profit and statutory organisations, as well as individuals.