"Fellowship is the highest level of Professional Registration and if you have substantial achievement in professional practice, hold a senior position in your organisation, or have made a significant contribution to the Information Professions, then this is the level for you. Fellowship is a great way to evaluate the impact you have had on your organisation and the wider profession."
Taken from CILIP website - https://www.cilip.org.uk/page/ProfessionalRegistrationFellowship
There are three main assessment criteria which you should bear in mind throughout your fellowship process:
Your portfolio needs to be submitted using the Virtual Learning Environment (VLE). The structure and layout is flexible: you can use whichever style you prefer, but you must make sure that it is clear and easy for the assessors to navigate and assess.
A submission must consist of:
You can upload content and assemble it into a submission in the CILIP Portfolio side of the Virtual Learning Environment. This can then be shared with your mentor before you submit so they can see your portfolio in full before it is sent in for assessment.