Design of Experiments software making R&D easy with an intuitive interface and outstanding graphics.

Prism Training & Consultancy Ltd are the official re-sellers of Design-Expert® software for the UK and Ireland.

Design-Expert statistical software

Published by Stat-Ease, Inc., Design-Expert® is design of experiments (DoE) software for Windows and macOS which provides many powerful statistical tools.

Design-Expert® can now be augmented by Stat-Ease 360®, which expands the software's capabilities for data analysts.


Design Your Experiment -

Design-Expert provides powerful tools to lay out an ideal experiment on your process, mixture or combination of factors and components. Build robust designs via in-line power calculations and the ability to add blocks and center points. Design-Expert’s design wizards and intuitive layouts such as the stoplight configuration for two level factorials make it all far easier than you’d even imagine.

Analyse Your Data - 

Design-Expert makes it easy to see what, if anything, emerges as statistically significant and how to model the results most precisely. Automated model-reduction tools, paired with in-line diagnostic graphs, provide a streamlined analysis process. It provides the confidence you need to present and publish your findings.

Visualise Your Results - 

Design-Expert offers a wide selection of graphs that help you identify standout effects and visualize your results. Its outputs create a strong impression when you communicate your findings to supervisors and peers.

What's new?

  • Custom Graphs
    The Graph Columns node has been upgraded to Custom Graphs. You can now plot analysis data like predicted values and residuals – plus distinguish points by size and symbol.
  • Shaded Intervals
    Prediction, confidence, and tolerance intervals can now be set to “shaded” to color the bands, thus creating a far better view of the uncertainty around the fitted response.
  • Hosted License Option
    A new licensing option is available to host a network license at This allows you to run the software on multiple devices without requiring an on-premises license server, thus reducing costs for DIY software deployment and management.

What we think of Design-Expert®

Design-Expert is user-friendly yet extremely powerful - a brilliant DoE software package!

See how we've been using Design-Expert®!


Make the most of Design-Expert® with our consultancy support

Our team has decades of experience using Design-Expert, and we are extremely good at helping our customers to choose the right design, then understand every nuance of the analysis! To learn more about how our statistical consultancy service could help you make the most of Design-Expert, please click here.


Training: master Design-Expert® via our in-house statistical workshops


Training: upcoming Prism public workshops featuring Design-Expert®

Date Programme Workshop Venue Price
23 & 24 April 2024DoEEffective Design of Experiments ImplementationCambridge£1200Reserve now

Purchase Design-Expert® online

We are the official reseller for Design-Expert® in the UK and Ireland. You can buy some of the most popular licences directly online below (prices exclude VAT), or you're welcome to contact us if you'd like to discuss other licencing options.

Please note: To upgrade your Design-Expert® perpetual licence to the latest version, you require a valid Annual Support & Maintenance (AS&M) agreement. Please get in touch if your AS&M has expired.

Academic Licences

Please contact us if you'd like to discuss academic licencing options for Design-Expert®.

Further information on Design-Expert®

Please follow the link below to access the download page on the Stat-Ease website, where you will be able to register for a free account to download the trial program. This is a fully-functioning version, which is activated for 14 days on your own PC / Mac.

Get Design-Expert Trial Version