Statistical Inventory Sampling

Full inventory counts are expensive and create considerable personnel costs and effort every year. An alternative to a full inventory count is the sampling method which is legally recognized by auditors and financial authorities. Using this method, companies achieve high saving potentials without any impact on their operative processes.

Overview

Efficient, precise and, above all, cost-efficient - this is how an ideal annual inventory count is imagined by companies. Although the sampling-type inventory has been a legal option for over 40 years, many companies still perform their inventory in a conventional way, and this despite the fact that inventory sampling is more cost-efficient compared to the full inventory count.

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Albert Arntz

Albert Arntz
Consultant
Tel: +49 (0) 2408 / 9456 - 1333 A.Arntz@informinform-software.com

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Solution INVENT Xpert Features

INFORM is one of the pioneers of statistical inventory sampling and has more than 35 years of experience in developing inventory sampling software. The features of INVENT Xpert include:

  • Flexible installation

    There are three installation variations of INVENT Xpert: on premise, as a cloud version and a cloud service. You can choose the option that best fits your company.

  • Easy to implement

    INVENT Xpert can be connected quickly and safely to any ERP or WMS system using simple interfaces.

  • Web technology

    The application is web-based and data can be retrieved using a simple browser - also on mobile devices.

  • Intuitive operability

    The system is easy to use thanks to its uncluttered, cutting-edge user interface. With comprehensible workflows, you can carry out the inventory sampling procedure with great ease.

  • Estimation procedures

    For inventory at record date and perpetual inventory sampling, the software uses the difference estimation extrapolation method. This procedure is recommended by the Institute of Public Auditors in Germany.

  • Test procedures

    The sequential test is the most efficient inventory sampling method included in the INVENT Xpert portfolio. This testing procedure can be used in warehouses with a very precise inventory management. When inventory management is very accurate, users receive meaningful results after counting only 30 samples.

  • Legally recognized and certified

    INVENT Xpert is recognized by financial authorities and received its most recent certification in 2015 from PwC.

Benefits

With INVENT Xpert companies can:

  • reduce counting costs by up to 95%

  • reduce counting effort by up to 99.9%

  • carry out their inventory parallel to their daily business operations

  • shorten or eliminate warehouse closures and production downtimes

  • avoid overtime

Manufacturing and Wholesale

An effective alternative

Statistical inventory sampling is an effective alternative to complete inventory counts for manufacturing and wholesale companies. The procedure is particularly efficient in large warehouses - in automated warehouses, it can reduce manual counting work by up to 99.9%. INVENT Xpert turns counting days into working days.

Inventory sampling is suitable for all companies with a warehouse containing at least 1,000 stock keeping units. The business must have an IT-supported inventory controlling system with items organized by type, quantity and value. This is usually an ERP or warehouse management system. A higher level of efficiency can be reached if 20% of the items in the warehouse account for about 80% of the stock value (stock phenomenon). An additional requirement for implementing the sampling procedure is highly accurate inventory data.

Retail

Reduce counting time by up to 70%

INFORM offers a special version of its inventory sampling solution for retailers. INVENT enables retailers to perform inventories flexibly, at a time that suits them. The dates for the stocktaking can be brought forward or moved back (in line with legal requirements) and an inventory can even be performed during normal operating hours.

The inventory sampling method carried out by INVENT requires a full stock take of a small section of the product range from each department. The remaining, far larger sections are calculated via samples. INVENT pre-determines the scope of the stock take in mathematically optimized intervals, ensuring the selection is entirely random while minimizing the counting involved. Compared to a conventional inventory count, the costs of this method are significantly lower. In practice, stocktaking times are reduced by 40 to 70%.

Legal Requirements

Business auditor approved

Inventory sampling is an effective alternative to conventional stocktaking and is officially recognized by German law. The legal foundations for this can be found in article 241 of the German Commercial Code.

At an international level, requirements and acceptance of the statistical inventory sampling results need to be clarified with individual auditors in the respective region or country. It is important to mention that this method has been formally approved by business auditors. Large auditing firms such as Ernst & Young and Price Waterhouse Cooper have for years been approving the inventory counting results provided by the INVENT Xpert system for all of our customers. It is also important to note that the mathematical core of the software system INVENT Xpert has even been certified by KPMG, and most recently, PwC.

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