Is cost of goods sold a revenue or expense? 1.52K viewsAccounting0 Buczek 0 Comments I have started getting a bit confused. Where is cost of sales included? Is it revenue or expense? 1 AnswerActiveVotedNewestOldest 0 Garza Posted 0 Comments Cost of goods sold is an expense and it relates to the money spent to buy materials. So in other words, you incur a cost to buy stock. This cost is of course an expense. Register or Login Search for: