Seperating contacts by product

Seperating contacts by product

I have included a multi select function into my account template which basically allows me to attribute different contacts to their associated products (I am a freelancers so have acounts/contacts across a number of products). However, I cannot seem to find a way to sort these and for instance just see/work with those accounts linked to say Product A or Product B.

Am I able to select data/accounts based purely upon what product I have linked them to on the multi selcet and if not how do I go about categorising my contacts?

Hope this makes some sense and any feeeback is much appreciated!

Best

Kyle