K. S. Aiyar & Co., was established by Mr Kalyan Subramani Aiyar in Calicut in 1897 and then he moved it to Mumbai in 1900. We are the oldest Indian Accounting firm of the country. We are a leading audit firm rendering comprehensive professional services generally to large corporates, which include Independent Audit & Assurance, US GAAP Restatement, Foreign Exchange and Regulatory Consulting, Restructuring and Valuations, Accounting and Corporate Support, Personnel Recruitment, Legal and Secretarial Support and Management Consulting and Tax Consultancy, Tax Audit and Advice on Indirect Taxes.