@odaversa Excellent question! 
This query is posed on the Notary Cafe forum on a very regular basis . . . As recent as several days ago for one particular state, but the responses apply to all states (see the following thread): Signing Agencies-California
Also, this post:
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You’ll be BEST served by researching the Notary Cafe database for answers to queries. Plus, no waiting for a fellow business owner to answer.
The information within that database is a proverbial GOLDMINE!
Most members express that they find it difficult/NEARLY IMPOSSIBLE to locate the Search Function in order to access the wealth of information available within the database.
To be helpful, I’ve inserted an image for you & others [see below] to help members locate it to unlock the wisdom & knowledge of other members on the forums.
I’ve performed a cursory Search on your behalf utilizing the keywords “good bad signing service” and the results show MORE THAN 50 separate threads about this particular topic. Of course, you could also try varied keywords as well.
There is a plethora of data immediately available on the threads within Notary Cafe. 
http://forum.notarycafe.com/search?q=good%20bad%20signing%20service
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Accessing the database to locate information about potential clients has saved many of us an inordinate amount of time ‘chasing’ payments for Services professionally provided to potential non-payers . . . 
