The author, all of thee services are outside the jurisdiction of the Russian Federation. This is the answer to your question. Let's take for example Advego. If you proleteli to the bottom of their website, and you will find two buttons Webmoney. Click on any and see that the service belongs to the WMID 378559979197
, which was some kind of UPFRONT SALES L. P.
in Soeginina Kingdom.
What's the point? British tax is not an interesting gradjane NOT the European Union who permanently reside abroad. In my experience I can say that they Russians with their cents there do not care. The guys have their problems there zvataet.
Now, you might ask, but how do you guys primout payments from Russian? So simple. In the Russian Federation shall be the branch that enters into agreements with payment systems. Branch no payments, except the costs of your own office produces. Payment to the executors of the website makes a British company, through any WebMonay or Payoneer
I hope that the further searches you Postnet. :-)