Hello, 

selected_companies = self.env['res.company'].browse(self._context.get('allowed_company_ids'))

Thanks.

You can use the company service in your js and then send it to the controller.

let activerCompany = company.activeCompanyIds

The controller always gives id 1. 

Hope this helps!

hi 

try this,

request.env.user.company_id

I need in controller, when am using the context in the controller i get an error , AttributeError: 'Request' object has no attribute '_context'