How to check company registration is allowed from the store front B2B Magento 2?

Company Module in B2B Magento 2 allowed to create a registration for the company user from the storefront in Magneto 2.

Its store configuration setting to enable or disable storefront registration. By default, the B2B module allowed to create a registration from the frontend.

Go To admin panel,
Stores -> Configuration -> Company Configuration -> Allow Company Registration from the Storefront -> Yes/No.

How to Identify company module is active in B2B Magento 2?

You can identify Company module status like enable/disable using programmatic way.

Native Company module has a class called Magento\Company\Api\StatusServiceInterface contains the method isActive() to check the module status.

Get Customer Company extension attributes B2B magento 2.

In B2B, Magento 2 You can fetch a list of customer company extension attributes by customer ID.

The company module contains customer extension attributes that are mapped to the Customer module in the Magento core code.