Here are the Key ratios which needs analysis when looking at the Balance Sheet , P&L of a company when trying to get a perspective on the Working Capital efficiency of a company and it’s competitors. 

Current Asset / Total Asset	%
Current Asset/ Sales	%
Debt/Asset	Times
quick ratio or  acid-test	Times
Turnover of Cash and Sec	Times
Inventory Turnover (Sales/Invntry)	Times
Days Sales in Inventory (DSI)	Days
Days sales outstanding (DSO)	Days
Days payable outstanding (DPO)	Days
Gross operating cycle(DSI+DSO)	Days
Net operating cycle (ccc)	Days
FA turnover (Sales/FA)	Times
Total Assets Turnover (Sales/Asset)	Times
Profit Margin	Percent
ROI	Percent
Leverage (Total Asset/Equity)	Times
ROE	Percent

More later…. Other information on Financial Analysis