[aartur]

Even when you are selling SaaS (so it's a "service")?

I think you can have problems with payment processing companies as they might not want to make business with a private person.

[LeonPals]

True, but if you're going to SaaS, why would you not incorporate?

Of course there are downsides, you will look a lot less professional without a KvK or Chambers of Commerce number.

But if you want to look professional, you need to incorporate