Gotcha. I was under the impression like they want documents because they think I'm the business owner. I guess the registration and my payslips again isn't a big of a deal. Was a little bit worried because the business establishment document sound like the "founders documents" or something along those lines, which I have no access to.

I'm not applying with my own business. I'm employed via the company that I provided the contract and remote work authorization letter for. I also had a cover letter/table of contents for each submission so that they easily have an overview. So I wonder if they somehow mistakenly belive I'm the business owner, otherwise how am I supposed to provide a bussiness establishment document? The most I can get is like a commercial register extract from a local authority, but how would I be able to get like the founding documents of the company if that's what they are asking for from the sound of it?