| A- to A+ |
Elite, top 1% of all Sportsbooks, Guaranteed safety & quality. |
B- to B+
|
Good, minimal risk to players funds. Top 10% of all books. |
| C- to C+ |
Average to below average cust. Service with some risk to players funds. |
| D- to D+ |
Poor, some risk to players funds. Poor customer service, etc. |
F
|
Outright scam, book on brink of failure.
|