In 2009, Kashif bought the "Ritchies Auctioneers", a Canadian auction house which was founded in 1967 by David Ritchie and Marlene. Later he founded "The K. Khan Group" in 2011. According to CNW Group, "Kashif is known for bringing a rare $10 million flawless 7.5 carat fancy blue diamond along with rare coloured diamonds in Toronto". Kashif set the record selling most valuable diamonds sold at auction in Canada.