Anonymous accounts sound nice, but in reality do not excist. Look at the saga of ABLV Pank for what happens with the bank/emi if the wrong state starts using that institution.
Same as EMI's where you can open accounts with the darks/2eye. AdvCash/Capitalist and others were able to get cards for unverified accounts, we have seen what happened to WaveCrest.
So if your business depends on this type of structure you will have to adapt from time-to-time, as the 'screws' will be thightened. The money you have in such an institution will be lost when they require additional verification for releasing those funds.
Better setup a structure where access to your own money is guaranteed, and pay for the ease of mind for that (taxes). If your business is dark, well enjoy the journey, the finish is near ..