Return on equity (ROE) is net income divided by shareholder (owner) equity, expressed as a percentage. It measures the return generated for equity owners. Leverage amplifies ROE relative to ROA — a profitable use of debt increases ROE above ROA.
ROE measures how effectively owner capital is being deployed to generate profit. Formula: ROE = (Net Income / Shareholders' Equity) × 100. Shareholders' equity = total assets minus total liabilities — the net worth of the business attributable to owners. The DuPont framework decomposes ROE into three drivers: profit margin (Net Income / Revenue), asset turnover (Revenue / Total Assets), and financial leverage (Total Assets / Equity). This decomposition reveals whether high ROE comes from operational efficiency (high margins), asset efficiency (high turnover), or financial leverage (lots of debt). High ROE from leverage alone is less sustainable than high ROE from operations. For business owners, ROE is the ultimate return metric — it measures the yield on the capital they've put into the business. An owner with $500K invested in a business earning $100K after tax is generating 20% ROE. If they could earn 10% elsewhere with less risk, the business is generating alpha. If the business only generates 5%, they might be better off deploying the capital differently. This is the decision framework behind owner's draw, reinvestment, and business sale decisions. The Federal Reserve's Z.1 Financial Accounts (https://www.federalreserve.gov/releases/z1/) provides sector-level equity and income data for ROE benchmarking by industry. The FDIC's Statistics on Depository Institutions (https://www.fdic.gov/bank/statistical/) tracks ROE for the banking sector as a peer benchmark.
Not necessarily. Very high ROE can result from excessive leverage (small equity base with lots of debt), which amplifies returns but also risk. ROE of 50%+ at a small business often means it's highly leveraged or the equity base has been reduced by owner draws. Analyze ROE alongside D/E ratio and DSCR to understand whether returns are from operations or leverage.
Owner draws reduce equity on the balance sheet — same net income over a smaller equity base produces higher ROE. This can make ROE look strong when the business is actually distributing more than it's retaining. For growth businesses, high owner draws that deplete retained earnings limit future borrowing capacity (higher D/E ratio) even as they boost ROE.
Banks typically focus more on DSCR and cash flow than ROE for credit decisions. ROE is more useful for investors evaluating equity returns. However, a bank may look at trend ROE to assess whether management is improving or declining in efficiency over time. Consistently negative ROE (net losses) is obviously a red flag for creditworthiness.