Can I get insurance with just experience letter in Ontario, Canada

Hello,

Just wanted to get some more opinions regarding my situation.
I've decided that I should try starting a company and move away from the driving role. I've had my AZ license here in Ontario, Canada for about 8 years now and I have about 4 years of experience. I don't have any Owner operator experience though. I can get experience letters from my previous employers but not from the actual insurance company. Do you think it's possible to get insurance with just company written experience letters or will I need experience letters written from the insurance company?

I have no idea on how I should proceed so I thought I would try getting some input from this community as it has been helpful in the past. Just want to make sure I'm not wasting my time/money.

Thanks in advance.