It doesn’t matter where you start. Just start.
Join CyclingUK (CTC), IIRC you can use their free service to do with bike injuries retrospectively. Slater & Gordon ime have been superb with the two incidents that I had in getting my claim settled.
No, you will have to have been a member of CTC at the time of the accident to use the free service.
If the police find the motorist liable and once you have the notification of final outcome from criminal justice there's nothing for the insurers to do except pay out.
that's not science, it's semantics.
Morphine has worn off. Lord, everything hurts.Just out of surgery to stitch up face and mouth, and pick out the shattered bits of teeth. Splint in. Two front are gone. They don't think they'll save the next two, but maybe the two after that.
Bike will be a write off.