Apply and join CIOL today

Wherever you are in your career as a language professional – an undergraduate studying a language at university or a senior, more experienced linguist – we have a grade of membership to suit you. Through membership CIOL provides you with a pathway to support your career ambitions, your professional development and is your route to chartership. 

Applications for membership are accepted at any time of the year. Membership is on a rolling 12-month period from the date your application is confirmed.

We aim to make the online application process as straightforward and smooth as possible but please contact the membership team if you need help or advice.

Step 1 – Find your grade

Read our membership admissions criteria then use our two-step Grade Finder to find your grade.

Step 2 – Apply online

Complete the relevant online form for the grade you wish to apply for.

You first need to create a website account and then log in to before returning here and following the relevant link below to complete the online form:

Step 3 – Provide payment

  • Student Affiliate membership is free
  • IoLET Affiliate applications must be accompanied by the annual membership fee of £26.00 payable as part of the online application form
  • Career Affiliate, AssociateMember and Fellow applications must be accompanied by an assessment fee of £25.00, payable as part of the online application form

If you're also seeking chartership alongside your Member or Fellow application, please remember to include evidence of your CPD and a reflective statement.

What next?

Receipt of your application will be acknowledged and assessment will begin.

Please do not submit your application unless you have all the evidence required including details of your referees (Associate, Member, Fellow applications only).

We aim to advise you of the outcome within six weeks of submission.