Mr. Khan qualified as Chartered Accountant in 1959. Mr. Khan rendered his advisory services in various Limited Companies, Corporations and Banks etc.

Mr. Khan is a partner of Ata Khan & Co. Chartered Accountants since 01 July 1959. He possesses vast knowledge and experience in audit, consultancy, tax, company matters and related affairs. He has total 54 years Practical Experience in auditing, consultancy, tax etc. of various Govt. Semi Govt. Private and Public Limited Companies and other Organizations.

Mr. Ahmed qualified as Chartered Accountant in 1970. Mr. Ahmed rendered his services in as Member of Taxes Appellate Tribunal for Two years. He left the job in the year 1992. Mr. Ahmed was a partner of Ata Khan & Co. Chartered Accountants since 1970. 

He is actively and exclusively engaged in audit, consultancy, tax, company matters etc. of the Firm. He has total 40 years Practical Experience in auditing, consultancy, tax etc. of various Govt. Semi Govt. Private and Public Limited Companies and other Organizations including two years experience as member of Taxes appellate tribunal.

Mr. Ahmed qualified as Chartered Accountant in 1990. Mr. Ahmed rendered his services in different capacity of Accounts department of Limited Companies and ICI Pharmaceuticals Industries Limited. He left the job in the year 1992. 

Mr. Ahmed was a partner of Nasir Mohammad & Co. Chartered Accountants in the year 1992 to 2000. Mr. Ahmed is a partner of Ata Khan & Co. Chartered Accountants since June 2000.

He is actively and exclusively engaged in audit, consultancy, tax, company matters etc. of the Firm. He has total 28 Years of total experience, 10 years Practical Experience in various senior positions of services and 18 years Practical Experience in auditing, Planning, Monitoring, Evaluating,

Institute of Chartered Accountants of Bangladesh (ICAB) Enrolment No. 1597. Member Institute of Chartered Accountants of Australia & New Zealand. Now working in Ata Khan & Co and Conducting & Supervising Audits of all nature of Companies including Govt. Semi Govt. Autonomous Corporation etc. for about three years. Other areas of works include Taxation, Secretarial Works, Management Consultancy,  Numerous Advisory jobs etc.