ISIM is a company with over twenty years' experience in dynamic simulation.

We offer our robust simulation engine, ESL, as well as training services and bespoke consultancy services.

Read more about who we are.

ESL 8.2.5 now available

Includes ESL Simulation Execution Control (ESL-SEC) and ESL Displays

ESL-Lite - free entry-level version

ESL-Pro - the full professional version

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Latest Updates

ESL 8.2

Find out more about the multi-rate simulation features in ISIM ESL 8.2

About ISIM

Read about who we are and what we do

ISIM's Products, Consultancy and Services

ISIM develops, maintains and sells its flagship ESL simulation language and graphical front end.

Quotes for the software can be obtained either by contacting the company directly.

You can also find information on training in the ESL language on our services page.

Backed up by over twenty years' experience in dynamic simulation, we also offer bespoke consultancy services. Visit our consultancy and case studies pages to see examples of ISIM’s collaborations and to find out how we can help you with your specific needs.

Contact ISIM

Click here to get in touch, request a quote or to discuss your specific requirements