credit rating/scoring for companies

Hello everyone I'm newbie so pardon me if you find that my question is stupid.

I'm working on a project here's it's description in a nutshell
( Classifying companies if they're going to bankrupt or not and based of the probability of default ( probability of bankruptcy) give each companies a score
For example 88 percent to bankrupt score is D
21 percent to bankrupt score is B
3 percent to bankrupt score is a)

My question is what kind …

companies credit datascience scoring