For residence permit you should stay in Russia not less than 6 month a year - otherwise the permit could be cancelled by migration services.
I agree with the option for bank accounts in Armenia - this one will be the best variant.
For everyone who intend to receive passport/start business in...
They do not use the offshorecorptalks unfortunately
And actually I am afraid a bit to post the link to their website (I am a fresh user, afraid to be banned)
If you will give me the idea how could I share their details will be grateful