Son has fear of being touched

Hi Everyone

I am just looking for some advice, my little boy is 8 and really dislikes being touched, up until recently it was only by anyone who he deemed as 'old' or someone younger, but now he scared of my husband (his daddy) touching him or his things, he tells us it makes his skin uncomfortable, we try and avoid where we can to make his life less stressful, but obviously its hard at times, and also we don't want their relationship to suffer, we would like to try and help our son not just avoid the situation - But I don't know where to turn - does anyone have any guidance on strategies they have used or therapy we can go for?

Thank you