Sarah M. I didn't see this in Questions but this sounds like a perfect use of Gamma sites! You can publish your gamma into full websites that are public-facing so you don't have to share URLs manually or host it elsewhere. You could create different pages and layers, ex. one for each business/activity type.
There's a good best practice article here including SEO tips: help.gamma.app/en/articles/11844650-how-to-build-and-organize-sites-in-gamma
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