Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
>>
I need to use company's email because the license is bought by them, so the license is their property.
>>
If it is a retail license for Home & Business, it doesnt matter. When you redeem the license key in a Microsoft account, you own it. They can ask you to give them the user/password to the account, but if you don't, their options for getting it are limited.
When you tried to log in with your address, were you offered an option for business or microsoft account?