New Year Inventory Audit: A Step-by-Step Guide

Why January Is Audit Season
After the intensity of peak season, your inventory data is at its least reliable. Thousands of orders shipped, hundreds of returns processed, emergency replenishments received — all create opportunities for discrepancies.
A thorough January audit gives you a clean starting point for the new year.
Step 1: Plan the Count
Timing
Choose a period of low activity — ideally early January before normal trading resumes. If a full shutdown isn't possible, count by zone over several days.
Resources
- Counters: Ideally people who don't normally work with the stock (reduces bias)
- Technology: Barcode scanners or tablets connected to your WMS
- Documentation: Pre-printed count sheets or digital count lists by zone
- Supervision: A count manager to resolve queries and maintain standards
Method
| Method | Description | Best For |
|---|---|---|
| Full wall-to-wall | Count everything | Annual audit, small warehouses |
| Cycle count (intensive) | Count a large portion systematically | Larger warehouses, ongoing operations |
| ABC prioritised | Count A items fully, sample B and C | When full count isn't feasible |
Step 2: Conduct the Count
Rules for Accurate Counting
- Freeze stock movement during the count if possible
- Count twice — independent counts compared for discrepancies
- Don't count from the system — counters should not see expected quantities
- Tag everything counted — visual markers prevent double-counting
- Investigate discrepancies immediately — while context is fresh
Common Pitfalls
- Counting goods-in areas that haven't been receipted
- Missing stock in returns processing or quality hold
- Counting the same pallet twice (upper and lower level)
- Skipping hard-to-reach locations
Step 3: Reconcile
Compare physical counts against system records:
| SKU | System Qty | Physical Qty | Variance | Value Impact |
|---|---|---|---|---|
| SKU-001 | 500 | 498 | -2 | -£30 |
| SKU-002 | 1,200 | 1,200 | 0 | £0 |
| SKU-003 | 80 | 75 | -5 | -£250 |
Variance Thresholds
- SKU-level variance >2%: Investigate immediately
- Overall variance >1%: Concerning — suggests systemic issues
- Overall variance <0.5%: Good — indicates strong processes
Step 4: Investigate Variances
For each significant discrepancy, determine the root cause:
- Receipting errors: Goods received but not scanned in correctly
- Picking errors: Wrong items picked, creating one short and one over
- Returns not processed: Returned items sitting uncounted
- Damage/disposal not recorded: Items removed but not deducted from system
- Theft: The uncomfortable possibility that must be considered
Step 5: Adjust and Improve
System Adjustments
Update your WMS with accurate physical counts. Document every adjustment with a reason code.
Process Improvements
Use audit findings to fix root causes:
- If receipting errors are common → improve goods-in scanning procedures
- If picking errors → review pick verification processes
- If returns are the issue → tighten returns processing workflows
- If shrinkage is unexplained → review security measures
Working with Your 3PL
If you outsource warehousing, your provider should conduct regular stock counts and share results with you. For the annual audit:
- Request a formal stock count report
- Ask for variance explanations
- Review shrinkage trends year-on-year
- Discuss process improvements based on findings
At The Fulfilment Centre, we conduct regular cycle counts and annual audits, providing clients with full transparency on inventory accuracy.
Need support with your inventory audit? Contact our team to discuss stock management and accuracy reporting.
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