According to the Republic of Armenia Law on Financial System Mediator, the Financial System Mediator is competent to examine the claims that are made against the organizations which have been licensed by the Central Bank of the Republic of Armenia, except for the parties which have been licensed to perform
a/ foreign currency trading and
b/ processing and clearing of payment transactions and payment and settlement documents. So if you have any problems with the financial organizations, the Financial System Mediator will help to solve them.
You can get the information on financial organizations from the website of the Central Bank.