Join us

The LEO Computers Society started in 1978 organising reunions amongst the people who had built or used LEO computers

In 2019, it registered as a charity as many younger people became interested in preserving this important story of British technology and industry.


Members of the Society volunteer with partner museums, collecting oral histories, documents and artifacts, and speaking about LEO to groups like U3A and schools.

There are face-to-face social events and regular online meetings for members, with guest speakers on computing history and how the devices and information-handling concepts we all use today link back to LEO and their other roots. The Society increasingly relies on younger people with an interest in keeping this important history alive, and discovering more – but our events are still opportunities to meet in person some of those who designed, built, programmed and operated LEO computers in the ‘age of steam’ of British computing.

To find out more and get involved, please join below:

* indicates required
Your age bracket *
/ / ( dd / mm / yyyy )

LEO Computers Society will use the information you provide on this form to be in touch with you and to provide updates and information. Please let us know all the ways you would like to hear from us:

You can change your mind at any time by clicking the unsubscribe link in the footer of any email you receive from us, or by contacting us at Membership@LEO-computers.org.uk. We will treat your information with respect. For more information about our privacy practices please visit our website. By clicking below, you agree that we may process your information in accordance with these terms.

We use Mailchimp as our marketing platform. By clicking below to subscribe, you acknowledge that your information will be transferred to Mailchimp for processing. Learn more about Mailchimp’s privacy practices here.