The "No IT Department" part of your marketing immediately turns me off because that's actively encouraging "shadow IT".

We all get that sometimes companies have IT policies which are outdated and get in the way, but that's a problem for someone up the chain to solve. A team or department deciding to just start doing their own thing with something like this which isn't managed by or even known about by the official company IT is at best a path to future problems if not an immediate compliance problem.

Compliance, "up the chain", "department", "the official company IT", etc...

These are all things that the target audience either doesn't have, or doesn't want. If the above words are important to you, then you're probably not in the target market.

Or it’s a small enough company without an IT department.

Think of an SMB where you might know you need to do something (like connect a new store location to the server in your main location’s closet), but don’t know how or can’t afford to hire an IT person full time. This is probably the main market for this. Then once you get more buy in, experience, and reputation, this VPN could stay to see larger clients. That’s at least how I’d expect to see this grow.

IT is sometimes dysfunctional and management doesn't care.

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