@deejaywards Sorry to read about the payment difficulties you’re experiencing.
I’ve performed a cursory Search via the GOLDMINE found within the Notary Cafe Database for other enlightening threads on this business entity. When you research these threads (see the direct url links below), you may glean some germane data about how to proceed & collect the funds due to you.
Here are the direct url links to those threads:
You can locate the ever-elusive/nearly invisible Magnifying Glass to perform a Search of the database in the image below: