Welcome to Citnexus: the software on this site is for Members of selected Professional Bodies.

To view the products available, please take a minute to create a login.

We offer discount software to members of:

The Institution of Engineering & Technology

The British Computer Society

The Institute of Physics

The Royal Society of Chemistry

The Chartered Institute of Water & Environmental Management

The Society of Chemical Industry

The Institute of Marine Engineering

The Royal Meterological Society

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If you are a Student, Educational or Charity customer, please follow the links at the bottom of the page to your new dedicated website

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Need Guidance? Ask Andy!

For further information about any product, or if you would like to discuss the most cost effective and appropriate solution for you, contact us:

Phone Direct: 0845 338 5 339
9:00am to 5:00pm, Monday to Friday on our local rate
number and talk to one of our UK advisors.
(If calling us from outside of the UK, please dial +44 1453 827 899)

Or email us and we will quickly get back to you.

Click here to send us feedback on our NEW site.

Subscribe today to our email subscriptions service and keep up to date on new products and latest discount pricing.