Risk Expert


Risk analyses - FMEA and HAZOP

The software enables the use of various methods, such as FMEA, HAZOP, Ishikawa diagrams or user-defined methods. It is the perfect moderation and documentation tool for carrying out risk analyses.
FMEA and more...
In REXS, you can, for example, carry out your risk analyses using Failure Mode and Effects Analysis (FMEA). In doing so, you have access to both the 1-stage FMEA as well as the 2-stage FMEA.

In REXS, you can configure the default FMEA table layouts to suit your own requirements.

  • When, for example, the layout of your design or process FMEA differs from your qualification and validation FMEA, you can adjust the default FMEA tables in REXS to suit the corresponding FMEA by adding and hiding columns and recording “templates”.
  • This method can also be used to carry out additional table-based risk analysis methods with REXS (HACCP, PHA, and others)



REXS offers you the opportunity to carry out your security risk analyses with, for example, the Hazard and Operability Analysis (HAZOP).
  • Preconfigured HAZOP templates, including process parameters and key words, can be recorded

With REXS, you can also carry out safety briefings using a combined form of the FMEA and HAZOP. This perfectly-tuned method was developed by our security experts within the VTU Group and is successfully applied day after day at VTU.

Ishikawa diagram

In addition to table-based risk analysis methods, REXS also provides you with the graph-based Ishikawa diagram method as an analysis and moderation tool. In REXS, the Ishikawa diagram is automatically generated at the same time as the table-based risk analysis method.

In order to be able to fully carry out risk analysis with this method, the REXS-based Ishikawa diagram has been expanded to include severity. What’s more, the categories of causes can also be configured as desired. For example, users can work with the “5 M’s” - man, machines, material, methods, metrics.

Innovative Risk Management Software

REXS is an innovative software system used to carry out risk analyses and manage measures. REXS was developed based on the VTU experts’ many years of experience in risk management. REXS is a system which is used productively at VTU and which is constantly developed with our customers and development partners for the GMP and security sector.

Risk analyses - FMEA and HAZOP

REXS enables the use of various methods, such as FMEA, HAZOP, Ishikawa diagrams or user-defined methods. It is the perfect moderation and documentation tool for carrying out risk analyses.

Risk assessment

With the help of modern software, you can achieve more consistent results more quickly.

Risk control – find measures and consistently keep track of them

REXS provides you with support in the search for suitable risk reduction measures.
Track your measures directly in REXS’ measures module, or simply and conveniently create lists of measures which are ready to be distributed to the responsible people at the click of a button.

Reports and documents

The simple and GMP-compliant creation of risk analysis documents, lists of measures and customizable reports – all at the click of a button.

Knowledge management

How often do you discuss well-known risks in a risk analysis?                     
In REXS, comprehensive knowledge of risks is available to experts at the click of a button.

System architecture and technical requirements

As a server/client application, REXS features an SQL server for data storage. The necessary hardware / software (e.g. client computer, servers, operating systems, software licenses for the SQL server etc.) are provided by the license holder.

Consulting and implementation

REXS software was developed based on VTU’s many years of experience in the fields of safety, GMP, risk management and quality management.
We know your requirements and are happy to support you when it comes to implementing REXS.

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REXS folder and flyer

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