The firm was established in 1978 and is one of the leading firms providing professional services to national and international clients operating in Iran. The firm was acting as the correspondent Firm of KPMG International until 30 November, 2018. Iran has one of the world’s largest reserves of natural oil and gas and has a substantial industrial infrastructure associated with the steel , petrochemical and engineering sectors. Our industry focus, which is fundamental to Bayat Rayan’s approach, has enabled us to develop a deep understanding of our clients’ businesses in these sectors and to strive constantly to provide value added services to many of the world’s leading organizations in the fields of oil and gas, petrochemicals and engineering. Bayat Rayan is a firm of Chartered Accountants, Members of the Iranian Association of Certified Accountants and accredited by the Tehran Stock Exchange.  We are committed to providing qualitative services to our national and international clients which demand work of the highest quality that is consistent and accurate