Usual disclaimers apply... speaking within US jurisdictions... based upon advice I received earlier in my career when asking the same question... and so on: I created a personal website to which I would grant limited access to select portions and only to those potential employers for which I was actively considering. Not being public, there were no issues. Alternatively, go old school and bring the copies with you on…
> "white label" system
That's a great idea. It would involve certain efforts and upfront negotiation with clients but certainly doable.