What key factors and ratios drive a corporate credit rating, and why should a treasurer manage to them?
A core Corporate Treasury interview question — asked in analyst and associate interviews across IB, PE, and the Big 4.
THE SHORT ANSWER
Rating agencies blend business risk and financial risk. Business risk: industry cyclicality and structure, competitive position/scale, diversification, and country risk. Financial risk: the core credit ratios — leverage (debt/EBITDA, FFO/debt), interest and fixed-charge coverage (EBITDA/interest, FFO+interest/interest), cash-flow metrics (free cash flow/debt, FFO/debt), and liquidity (sources vs uses, headroom) — plus financial policy (target leverage, dividend/buyback appetite, M&A behavior) and management track record. A treasurer manages to these because the rating drives the cost and availability of funding (spread, market access, covenant terms), affects counterparties, trading lines and collateral, and can trigger rating-linked contract terms. So treasury models the rating impact of decisions before they're taken — a debt-funded acquisition or buyback that pushes leverage through the threshold for the rating band can raise borrowing costs across all the company's debt. Managing to the rating means keeping the key ratios within the band the company targets and engaging agencies proactively on strategy.
WHAT INTERVIEWERS LISTEN FOR
- ✓Business risk (industry, position, diversification) + financial risk
- ✓Core ratios: leverage (debt/EBITDA, FFO/debt), coverage, FCF/debt, liquidity
- ✓Financial policy and management matter too
- ✓Rating drives funding cost/access; model rating impact before acting
COMMON MISTAKES
- ✗Naming only one ratio
- ✗Ignoring business-risk/financial-policy factors
- ✗Not linking rating to funding cost/decisions
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