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CSO Membership

Our Membership Secretary is Judith Beton

Annual subscription is currently £175 and full-time students £85

What is Membermojo?

Membermojo is the secure database we use for storing CSO members’ names and the other details you give us.


It’s really helpful if you can keep your contact details up to date on Membermojo. You can also pay your subs through Membermojo and, most importantly, can tick the Gift Aid box if applicable.



How do I sign in?

  • Go to 

  • Click Sign in (top right)

  • Put your email address in the box.

  • Click Sign in with email

  • You will receive an email. Click on the link in the email and it will take you into Membermojo. 


Alternatively you can choose a password and use that to sign in.


Please note that you can only sign in using the same email address we have for you on membermojo.


How to update details and tick Gift Aid

  • Log in to

  • Click on Your Membership at the top left.

  • Find My details and click View or edit.

  • Click Edit at the bottom right.

  • Now you should be able to click on the Gift Aid box and update your details.

  • Don’t forget to Save, down at the bottom right.


How to Pay Subs

It is really helpful to our Treasurer if you pay your subs through Membermojo as it saves a huge amount of time.


  • Log in to

  • On your home page you will see an orange Join Us/Renew button. Click on the orange button to pay securely using your credit or debit card.


Please email or speak to Trevor Grant if you are unable to pay annually online or if you will struggle financially to pay.

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