ISA 520 · ISA 570 · Retail

Financial Ratio Calculator
for Retail

Pre-configured with BACH retail benchmarks. Optimised for thin-margin, high-volume operations with emphasis on inventory management and same-store performance.

Financial Data

Enter the essential financial figures below. Expand the additional sections for a comprehensive analysis.

Financial Ratio Analysis Guide for European Auditors — free PDF

ISA 520 & ISA 570 practical workbook: all formulas with visual explanations, industry benchmark reference tables from BACH for 15 industries, ratio interpretation guide, and template narrative paragraphs for audit working papers.

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ISA 520.5 — Design and perform analytical procedures near the end of the audit that assist in forming an overall conclusion.

ISA 520.A1 — Analytical procedures may include ratios such as gross margin percentages and ratio of sales to accounts receivable.

ISA 570.A3 — Negative working capital, adverse key financial ratios, operating losses, and other indicators may cast doubt on going concern.

Financial Ratio Analysis for Retail

Retail financial ratio analysis demands particular attention to margin efficiency, inventory velocity, and working capital management. Retail operates on thin margins — European BACH data shows median net margins of just 2.5% for the sector — meaning even small absolute misstatements in COGS or inventory can have a disproportionate impact on profitability ratios. This makes ratio analysis under ISA 520 especially powerful for detecting material misstatements in retail audits.

The gross margin percentage is the single most important analytical procedure for retail entities. ISA 520.A1 specifically names gross margin as an example ratio. A consistent gross margin that suddenly shifts by more than 1–2 percentage points warrants immediate investigation: common causes include unrecorded shrinkage, markdown timing errors, vendor rebate misclassification, or inventory valuation errors (NRV write-downs under IAS 2). Omnichannel retailers require separate margin analysis for in-store vs. online channels, as fulfilment costs differ materially.

Days Sales Outstanding (DSO) in retail is typically very low — median 10 days in European BACH data — because most revenue is collected at point of sale. An increasing DSO may indicate growing trade receivables from B2B wholesale channels, loyalty programme liabilities, or gift card redemption timing. Days Payable Outstanding (DPO) is a critical negotiation leverage metric: large retailers often achieve DPO of 60–90 days, effectively financing inventory through supplier credit. A deteriorating DPO may signal supplier confidence issues or lost payment term advantages.

Regulatory Context

Omnichannel revenue recognition under IFRS 15. Loyalty programme liabilities. Gift card breakage estimation. IFRS 16 lease impact on balance sheet ratios — most retail store leases are now on-balance sheet.

Industry-Specific Going Concern Indicators (ISA 570)

Same-store sales declining for 3+ consecutive quarters

Gross margin erosion exceeding 3 percentage points year-on-year

Inventory days exceeding 100 days (fashion/seasonal goods)

DPO shortening — losing supplier payment term advantages

Covenant breaches on revolving credit facilities

Planned or forced store closures

Worked Example: European Fashion Retailer

StyleHaus BV — mid-size fashion retailer with €28M revenue across 12 stores

Key results: Current Ratio: 1.20, Quick Ratio: 0.29, Gross Margin: 36.0%, Net Margin: 3.0%, ROE: 10.5%, D/E: 1.75, Inventory Days: 114 (above Q3 of 85 — investigate), DSO: 10 days, DPO: 45 days, CCC: 79 days

Frequently Asked Questions — Retail

Which ratios are most critical for retail companies?
Gross margin, inventory turnover, and the cash conversion cycle are the three most critical ratios. Gross margin reveals pricing power and shrinkage levels. Inventory turnover (median 7.3x for European retail) indicates whether stock is moving or becoming obsolete. The cash conversion cycle shows how effectively the retailer finances its working capital — negative CCC is common for large retailers who collect cash before paying suppliers.
How should I assess inventory risk for retail audits?
Compare inventory days to BACH benchmarks: European retail median is 50 days. Inventory days exceeding the Q3 benchmark of 85 days signals potential obsolescence, particularly for fashion and seasonal goods. Perform a vintage analysis — slow-moving inventory aged more than 6 months likely needs NRV assessment under IAS 2. Also compare gross margin trends: declining margin with stable inventory days may indicate needed but unrecorded write-downs.
What DSO is normal for retail?
European BACH data shows median retail DSO of just 10 days, reflecting the cash-heavy nature of retail sales. DSO above 30 days (Q3 benchmark) is unusual and likely indicates significant B2B or wholesale operations, or potentially misclassified receivables. For omnichannel retailers, separately analyse in-store (near-zero DSO) and online (2–5 day settlement) channels.
How does IFRS 16 affect retail financial ratios?
IFRS 16 has a significant impact on retail ratios because retailers typically have extensive store lease portfolios. Right-of-use assets inflate total assets (reducing ROA and asset turnover), while lease liabilities increase total liabilities (worsening D/E ratio and interest coverage). When comparing to pre-IFRS 16 benchmarks, adjust accordingly. The BACH 2023 data includes IFRS 16 effects.
What going concern indicators are specific to retail?
Key retail-specific going concern indicators under ISA 570 include: same-store sales declining for 3+ consecutive quarters, gross margin erosion exceeding 3 percentage points, inventory days increasing above 100 (fashion/seasonal), supplier payment terms shortening (losing negotiation leverage), store closure announcements, and covenant breaches on revolving credit facilities. The seasonal nature of retail means Q4 performance is disproportionately important.