quick question about documents Limited Company

I know I've asked this before but what documents do you think I should produce

I have a limited company and I sell stuff on eBay and get paid via Paypal and then that money comes into my business bank account from Paypal.

now I have never paid myself any salaries or dividends, I just earn and buy goods from the same account (mostly pay by cash but sometimes card payments).

What documents should I produce as proof of my earnings?
I mean I can get an accountant and ask him to make me documents but I'm not sure if I count under the self-employed earnings within a business or company structure (Ref: Tier 1 (General) Policy Guidance page 27 example 3)

I would be very glad if you gurus or other who had same case as me can shed some light here

Thanks in advance

Irf

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