I did the Portuguese coastal caminho in 2015 and the French one in 2017. I booked through www.caminhoways.com, which is based in Ireland. They are fantastic, honest efficient and well priced. They send you all the walk notes, maps etc, pre book your accomodation for each night, you can go half or full board. So as a ‘ senior’ you are walking independently, at whatever pace you want, but at the end of each day you have a blissfully clean hotel, run by locals, small, clean and generally close to the start of the next days walk. They also collect your bags, so you walk with only a day pack.
While I would like to have done the walk totally alone, carrying everything, I had to be realistic about my feet, age etc. I felt this company gave me the best of both worlds, I could mix with anybody along the road, no buses delivering me to the start of the day and picking me up @ night, so I felt free and so grateful to not be scrambling for a place to sleep after mega miles every day.