What should the length of the proposal be?

The length of the application varies depending on the type of call.  Generally, standard proposals for consortia are around 45-50 pages. However, a proposal may range from as few as 10 pages to as many as 50 pages. It is essential to read the specific guidelines provided by the European Commission for the type of call you are applying to, such as RIA (Research and Innovation Actions), IA (Innovation Actions) or CSA (Coordination and Support Actions).