I did find an accountant in Warsaw - a former student of a teacher friend of mine. He agreed to help me for 200 zł/mo. including VAT. I think this is a fair price as his English is at least upper-int and he's doing most of the legwork to start the company himself.
Yup, that's a fair deal. He should save you more than he costs - especially if he's always open for phonee calls/visits about what you can and can't get away with.
I needed to start this company in order to work at the British Council. As of this Fall, the BC require all teachers to have their own companies.
And no doubt they'll get away with it despite it being illegal to do so. I'm just sitting and waiting for the day that the taxman takes a very close look at the ESL industry here - I wouldn't be surprised if many schools are hit with a massive bill.
One bit of advice in this respect - if you can, try and get some private lessons to run through the books as well as the work at the BC. It'll save your ass in case of future problems :)