Inventur
Also: Bestandsaufnahme, Lagerinventur, körperliche Inventur, Jahresinventur, Inventuren, Stichtagsinventur, permanente Inventur
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Stocktaking is the systematic, physical recording of all inventory levels at a specific point in time or at regular intervals. The goal is to reconcile the physically available stock with the book inventory recorded in the system, in order to identify and resolve discrepancies.
Key facts
- Stocktaking reconciles the physical warehouse inventory with the book inventory and is required by commercial and tax law in most countries.
- There are three main types: cut-off date stocktaking, perpetual inventory, and sample-based stocktaking – the choice depends on the operation and legal requirements.
- During the count, goods movements must be controlled or blocked to prevent distorted results.
- Inventory variances should not only be posted but also analyzed for their root cause in order to permanently eliminate process errors.
- Perpetual inventory requires seamless, location-level inventory management within the WMS.
What is stocktaking?
Stocktaking refers to the complete or sample-based recording of all goods, materials, and semi-finished products in a warehouse or facility. It serves to compare the actual physical stock on hand with the book inventory maintained in the warehouse management or inventory system. Discrepancies – known as inventory variances – are documented, analyzed, and corrected in the system. Stocktaking is required by commercial and tax law in most countries and forms the basis for a proper annual financial statement.
Types of stocktaking at a glance
In practice, three fundamental types of stocktaking are distinguished, differing in terms of effort, operational disruption, and suitability:
- Cut-off date stocktaking: All inventory is counted on a single reference date, typically at the end of the fiscal year. Operations are often fully or partially suspended during this process. This method is labor-intensive but straightforward to follow and audit-proof.
- Perpetual inventory: Counting takes place continuously throughout the year. Each storage location or item is checked in defined cycles. A prerequisite is seamless inventory management within the WMS. Cycle counting is a widely used form of this method.
- Sample-based stocktaking: Statistically representative subsets are counted and extrapolated to the total inventory. It is legally permissible under certain conditions and significantly reduces counting effort, but requires a sound methodology.
Process and practical requirements
Regardless of the chosen stocktaking method, the process follows a similar pattern: preparing and zoning the warehouse, blocking affected areas for goods movements during counting, performing the physical count using appropriate tools such as barcode scanners or mobile data entry devices, recording count results, reconciling with the book inventory, and analyzing variances. Movement control is critical: goods receipts, outbound movements, or transfers occurring during the count must be clearly demarcated or fully blocked to avoid double-counting or omissions.
Discrepancies between counted and book inventory can have many causes – incorrect postings, shrinkage, picking errors, or incorrect putaway. Good stocktaking organization therefore includes not only the count itself but also a structured root cause analysis.
What to consider when selecting and planning
The choice of stocktaking method depends on the size of the operation, the product range structure, legal requirements, and the capabilities of the WMS in use. Systems that enable seamless inventory management at storage location level are a prerequisite for perpetual inventory. For companies subject to audits, the traceability of counting documentation is essential. You should also examine how your system handles inventory blocks, count orders, and the posting of variances – this varies considerably depending on the WMS vendor.
Related terms
- ABC-Analyse
ABC analysis is a method for classifying items, vendors, or processes into three priority classes (A, B, C) based on their economic significance. It forms the basis for differentiated decision-making in warehousing, inventory management, and procurement.
- Artikelstammdaten
Item master data refers to the permanently valid base data of an item – such as dimensions, weight, packaging units, hazardous goods classification, and best-before date relevance. It forms the foundation for all logistical, procurement-related, and system-driven processes along the supply chain.
- Bestand in der Logistik
In logistics, inventory refers to the quantity of goods physically present or recorded in accounting at a specific point in time – including raw materials, semi-finished goods, and finished products. It is a key control variable because it ties up capital while simultaneously ensuring the ability to deliver.
- Bestandscontrolling
Inventory controlling refers to the systematic monitoring, analysis, and management of stock levels using defined key performance indicators. It connects logistics and procurement to reduce tied-up capital and ensure delivery capability.
- Bestandsführung
Inventory management refers to the system-supported administration and continuous updating of all warehouse and material stocks within a company. It forms the basis for planning, procurement and accounting – and ensures that the book inventory and physical inventory are in agreement at all times.
- Bestandsmanagement
Inventory management refers to the systematic planning, control, and monitoring of stock levels across the entire supply chain. The goal is to ensure delivery capability while keeping capital commitment and warehousing costs within economically viable limits.
- Bestandssicherheit
Inventory accuracy refers to the degree to which the book inventory and the actual physical stock in the warehouse match. High inventory accuracy prevents shortages, excess stock, and faulty replenishment decisions.
- Bestandssicherheit Lager
Inventory accuracy in the warehouse refers to the correspondence between stock levels recorded in the system and those physically present. It is a central quality benchmark for warehouse processes and the foundation for reliable delivery capability.
- Bewegungsdaten
Movement data captures all transactions and physical goods movements in the logistics process – from goods receipt and stock transfers to dispatch. It contains timestamps, quantities, locations and the units involved, and forms the basis for transparency, control and analysis in warehouse and…
- Chaotische Lagerhaltung
Chaotic storage is a warehousing principle in which items are not stored in fixed, pre-assigned locations, but are instead dynamically placed in any available, suitable slot in the warehouse. A warehouse management system handles the control and tracking of all storage locations.
- Charge
A batch is a uniquely identifiable quantity of products manufactured or processed under identical conditions. It forms the basis for traceability, quality control, and legally required recall processes throughout the entire supply chain.
- Chargenrückverfolgung
Batch traceability refers to the complete and uninterrupted trackability of products and materials along the supply chain based on their batch assignment. It enables companies to quickly identify and selectively block all affected quantities in the event of a quality issue or recall.