Precious Minerals Marketing Company (PMMC) Ltd was established in 1963 as Ghana Diamond Marketing Board charged with the sole responsibility for the purchase and marketing of Ghana’s diamonds. In 1965, by Legislative Instrument (LI) 401, the Company was incorporated as a State Owned Enterprise (SOE). With the promulgation of the diamonds decree (NRCD 32) in 1972, LI 916 was enacted to change the company's name to Diamond Marketing Corporation. In 1989, PNDC Law 219 was enacted to yet again change the Company's name to the Precious Minerals Marketing Corporation with the following functions
Finally in year 2000, it was converted by Act 461 (Statutory Corporations Conversion to Companies Act) to a Limited Liability Company to operate under the Ghana Companies Code (Act 179 of 1963) as Precious Minerals Marketing Company Limited with the same functions under the PNDC Law 219.
The following has been the functions of the Company until 2016 when most of the functions changed as a result of appointment of PMMC as the government assayor.
The Company now operates as Government’s assayer with the sole mandate of assaying all gold which leaves the country. The jewellery production is also a subsidiary of the Company operating under the name PMMC Jewellery Ltd (PJL) The Company is located in the Diamond House building in Accra situated on the Kinbu Road adjacent to the Registrar-General's Department and next to the Ministry of Foreign Affairs.
To attain market leadership in service provision, value-addition, trading and promotion of gold, diamonds and other precious minerals in Ghana.
To provide excellent sevice as the national assayer and trade cost effectively in gold, diamond and other precious minerals; to effectively produce and market quality jewellery through highly skilled and motivated staff to ensure customer satisfaction and enhance shareholder value.