ADCi is a partnership between DCi Directors and R.T. Boyd Ltd, established in 2007 to create a resident Canadian company qualified to secure Canadian and Provincial Government and mining industry valuation, modelling and statistical analysis contracts. ADCi provides a technically, financially competitive and highly experienced service for Canada and elsewhere, using highly qualified Canadian team members alongside their DCi counterparts.

The founding directors of ADCi are: Warren Boyd, Luke Marriott, Andrew Ward, and Benjamin Marriott, who are all experienced diamond professionals. Warren Boyd is the President of R. T. Boyd Limited, a founding partner in ADCi, and also an experienced Government Rough diamond valuator on the Canadian GDV contract.

In 1997 and 1998 Warren Boyd conceived of the concept and was instrumental in bringing the three competitive First Nations groups together to form Aboriginal Diamonds Group (ADG) and their subsequent introduction to the group of diamond professionals that led to securing the Canada GDV contract.

ADCi has been contracted by the Government of Quebec for government diamond valuation services in Canada since 2017.

Warren Boyd is the President of R.T.Boyd Ltd, Past President of the Canadian Gemmological Association and a Director of the International Colored Gemstone Association.