Tools like siftery and truebill.com should detect these subscriptions.
It didn't.
They've constructed their invoices in a hosted manner to where they don't send email invoice notices.
You cannot cancel the subscription digitally, that's a tell-tale sign of a bad service, one where they make lots of money on breakage.
If you're an acquirer looking to buy a company, this company has fake metrics that are juiced by breakage.
Start sending email invoices to customers and you'll find immediate churn.
Bad and terrible support.