Is there a test to check the level of Business English proficiency online and free?

IELTS Proficience Advanced Business can be okay

Yes, there are many free quizes on internet you can solve and check the answers by yourself such as : www.myenglishteacher.

Good question, but sorry, I have no knowledge on this subject. Experts in online education must be able to answer this question properly.

Thanks for the sharing dear experts.

I leave the answer to the experts. Thanks for the invitation. .