Cash Conversion Score
The Cash Conversion Score is a metric that measures the quality of a company's reported earnings by comparing cash profit generation — typically operating cash flow or free cash flow — to accounting profits such as net income or EBITDA, with a higher score indicating that earnings are genuinely backed by cash rather than accruals.
The underlying concept of cash conversion quality originated in the accounting literature on accruals, most notably in Richard Sloan's 1996 paper in The Accounting Review which demonstrated that firms with high accrual components in earnings (earnings not backed by cash flow) subsequently underperformed relative to those with cash-backed earnings. The Cash Conversion Score as a named metric was popularised by Investec Securities' equity research framework and adopted by various institutional equity research teams globally as a systematic measure of earnings quality.
In its simplest form, the Cash Conversion Score was computed as operating cash flow divided by EBITDA, or alternatively as free cash flow divided by net profit. A ratio above 1.0 indicated that the company was generating more cash than its accounting profits showed, generally a positive quality signal suggesting conservative revenue recognition and efficient working capital management. A ratio consistently below 0.5 — where cash generation was less than half of reported profits — raised questions about the sustainability of the earnings and the potential for future disappointment.
For Indian listed companies, the Cash Conversion Score proved particularly diagnostic in several sectors. In infrastructure and construction companies, the gap between reported contract revenues and actual cash collected from clients frequently diverged, leading to high account receivables and low cash conversion. Some construction companies reported strong EBITDA while generating negative free cash flow due to working capital deployed in partially completed projects and delayed client payments from government agencies. Tracking cash conversion over multiple years identified structurally cash-poor businesses even as their income statements appeared robust.
In technology and IT services companies, high cash conversion was a hallmark of quality. Top-tier Indian IT exporters such as TCS, Infosys, and HCL Technologies consistently converted 90-100%+ of profits to operating cash flow because of their asset-light models, low capital expenditure requirements, and clients who paid within 30-60 days. When an IT company's cash conversion ratio declined over consecutive quarters, it often flagged project deferrals, client payment delays, or revenue recognised from uncertain contracts — a useful early warning for deteriorating business quality.
NBFCs and financial companies required modified cash conversion analysis because the standard OCF/EBITDA metric was not directly applicable to balance-sheet-intensive businesses where lending represented the core operation. For financial companies, proxy metrics such as the ratio of actual loan repayments received to the scheduled loan book, or the comparison between reported interest income and actual cash interest collected, served a similar diagnostic purpose.
Institutional equity analysts building quality composite scores — used in factor-based or quantitative investing frameworks — incorporated cash conversion as one of the signals alongside return on capital, earnings consistency, and balance sheet leverage. Companies scoring high on all four dimensions — high ROCE, stable earnings, low leverage, and high cash conversion — constituted a quality composite that historically demonstrated lower drawdowns and more consistent compounding in Indian equity markets than broader benchmark indices.