Abstract: Financial performance measured the life blood of economic units, the key to determine the perpetuity of a company as cost remain its major determinant. An increase in cost and sales price would attract low returns on sales and foster liquidation in most companies. Unfortunately, This affect the financial growth of the country but most company failed to comprehend the vitality of cost profile and it effect on profitability. This study examined the effect of Cost Management on financial performance of quoted Consumer goods firms in Nigeria