ISA 520 · Retail

Analytical Review Tool for Retail

Pre-configured with retail-specific thresholds, same-store sales benchmarks, shrinkage analysis, and seasonal adjustment considerations.

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Trial Balance Data

Tip: paste tab-separated data from Excel
Account NameCategoryCY BalancePY Balance

The Auditor's Guide to Analytical Procedures Under ISA 520

Complete guide: ISA 520 requirements quick reference, decision flowchart for when to use analytical procedures vs. tests of details, industry-specific ratio checklists for 12 sectors, threshold-setting guide by risk level, sample completed working paper, common quality-review findings, and documentation checklist.

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ISA 520 Analytical Review for Retail Entities

Retail audits require analytical procedures that reflect the high-volume, thin-margin nature of retail operations. Under ISA 520, the auditor's expectation for retail revenue should be developed using same-store sales growth data, new store openings and closures, and pricing strategy changes. Gross margin consistency is the primary analytical indicator for retail entities — shifts signal markdown activity, supplier term renegotiations, channel mix changes (e.g., shift from physical stores to e-commerce), or inventory shrinkage issues. The auditor should calculate gross margin at both the aggregate level and, where data is available, by product category, sales channel, or store cluster. A retailer with €100M revenue and a 1 percentage point margin decline has lost €1M — this is almost certainly material and demands investigation per ISA 520.7.

Shrinkage and Inventory Considerations

Inventory shrinkage (the difference between book inventory and physical count) typically ranges from 1-2% of retail sales. An increase in the shrinkage rate signals potential control weaknesses, theft, or administrative errors in the inventory management system. The auditor should compare the shrinkage rate to prior periods and industry benchmarks. Inventory turnover is equally important — slowing turnover indicates potential obsolescence or overbuying, while accelerating turnover could signal stock-outs affecting revenue. For fashion and seasonal retailers, the mix between full-price and markdown sales directly impacts gross margin and should be analysed separately where possible. IFRS 16 has significantly affected retail balance sheets — right-of-use assets and lease liabilities for store portfolios are often among the largest balance sheet items. Changes in the lease portfolio (new stores, closures, renewals, rent renegotiations) should correlate with changes in these balances.

Channel Analysis and Seasonal Patterns

Modern retailers operate across multiple channels — physical stores, e-commerce, marketplace platforms, and wholesale. Each channel has different margin profiles, cost structures, and growth trajectories. The auditor should, where data permits, analyse revenue and margin trends by channel. A retailer shifting from physical to online may show stable total revenue but significant underlying movements: declining store revenue, growing online revenue, and changing margin mix (online typically has lower markdown but higher fulfilment costs). Seasonal patterns demand particular attention in retail analytical review. Comparing December year-end balances across years is meaningful; comparing December to June is not. The auditor should set expectations based on seasonal trading patterns, adjusted for known events such as earlier or later holiday periods, weather impacts on seasonal merchandise, and competitive promotional activity.

Key Ratios to Monitor for Retail

  • Gross margin
  • Inventory turnover
  • Revenue per sqm
  • Shrinkage rate
  • Same-store sales growth
  • Staff cost ratio

What Drives Account Fluctuations

Same-store sales growth vs. new store openings driving revenue changes

Markdown activity and promotional cycles affecting gross margin

Inventory shrinkage rates (typically 1-2% of sales)

Seasonal trading patterns (Q4 peak for most retailers)

Lease cost changes under IFRS 16 from portfolio adjustments

Seasonal Considerations

Most retailers experience peak trading in Q4 (holiday season). Fashion retailers have additional seasonal peaks around new collection launches. Year-end inventory counts should consider markdown exposure on end-of-season stock. Compare YoY same-period data rather than sequential quarters.

Recommended Investigation Thresholds for Retail

Account Category Threshold %
Revenue5%
Cost of Goods Sold5%
Operating Expenses10%
Current Assets10%
Equity10%

Regulatory note: Retail entities with loyalty programmes must account for revenue deferral under IFRS 15. Gift card liabilities (breakage estimation) require separate analytical consideration.

Worked Example: Retail Analytical Review

A multi-location fashion retailer with 45 stores and growing e-commerce. Overall materiality €1,200,000, performance materiality €780,000.

Overall materiality: €1,200,000 | Performance materiality: €780,000 | Threshold: 10%

Account PY CY Change %
Store Revenue €88,000,000 €85,000,000 €-3,000,000 -3.4%
Online Revenue FLAG €24,000,000 €32,000,000 €8,000,000 +33.3%
Cost of Sales €66,000,000 €68,000,000 €2,000,000 +3.0%
Store Rent & Occupancy €13,200,000 €12,500,000 €-700,000 -5.3%
Staff Costs €17,500,000 €18,000,000 €500,000 +2.9%
Marketing & Advertising FLAG €4,200,000 €5,500,000 €1,300,000 +31.0%
Inventory €12,800,000 €14,000,000 €1,200,000 +9.4%
Right-of-Use Assets €31,000,000 €28,000,000 €-3,000,000 -9.7%
Lease Liabilities €10,200,000 €9,500,000 €-700,000 -6.9%
Flagged Item Explanations:
Online Revenue: Increase of €8M (33.3%) — significant but consistent with strategic shift to digital. Verified against web analytics data and platform transaction records.
Store Revenue: Decrease of €3M (3.4%) — does not exceed both thresholds (3.4% < 5%). No flag required but noted for context alongside online growth.
Marketing & Advertising: Increase of €1.3M (31.0%) — flagged. Investment in digital marketing to support online channel growth. Verified against marketing agency invoices and campaign reports.

Frequently Asked Questions — Retail

How should I analyse revenue for a multi-channel retailer?
Disaggregate revenue by channel (physical stores, e-commerce, wholesale) where data is available. Each channel has different growth drivers and margin profiles. A total revenue increase may mask significant underlying shifts between channels that affect the risk profile of various account balances.
What investigation threshold should I set for retail inventory?
A threshold of 10% is typical for retail inventory, but consider the absolute amount carefully. For a retailer with €50M in inventory, 10% is €5M — which likely exceeds materiality. A tighter threshold (5-7%) may be warranted for inventory-heavy retailers.
How do I handle IFRS 16 lease impacts in analytical review?
Right-of-use assets and lease liabilities should be analysed for consistency with the known store portfolio. New store openings should increase both balances, closures should decrease them, and rent renegotiations may cause remeasurement adjustments. The depreciation charge on ROU assets should correlate with the asset balance.
What is a normal inventory shrinkage rate for retail?
Industry benchmarks suggest 1-2% of net sales for general retail, with higher rates in categories susceptible to theft (electronics, fashion accessories). Grocery retailers typically experience 2-3% shrinkage including waste. Any rate significantly above the entity's prior year or industry benchmark warrants investigation.
How should seasonal patterns affect my analytical review approach?
Always compare like-for-like periods (CY December vs PY December, not CY December vs CY June). For interim analytical procedures, use the same interim period from the prior year. Adjust expectations for known timing differences, such as whether Easter fell in Q1 or Q2, or unusual weather affecting seasonal merchandise sales.