This is more a function of the fact that I don't want my business to be identifiable from this post than that it's a sketchy business. You'll have to take my word for it, but it's exceedingly benign.
> They know exactly who our customers are and what services we offer, and have approved it as such.
which sounds like you offer services out of the ordinary.
It's not much to go on but it's all we have.
For example, selling video game digital products like a strategy guide is benign, but gaming industry is ripe with fraud so most processors will give you shit if you're in the gaming niche, let alone (non-crypto) digital currencies, crypto, health products, non-snakeoil supplements, etc.
Source: I used to run adult websites which is considered 'high risk' and also these days responsible for overseeing 1M/m in CC processing for a state agency.
Creating a new account on here to potentially get support is just plain wrong, and needs dealing with IMO. Should never hit the front page.
Also consider that if the situation continues your pissed-off downstream customers will ID you sooner or later.