Manage your accounts using Zoho books, it also provides you with list of service providers from UAE whom you can reach out to audit your accounts based on Zoho books.
Haven't used them, but i have seen merchants accepting payments via capitalist , from what i understand that it is largely used to perform cross border transactions and not parking any money .
for monthly should not exceed 10K for it to be considered small business by underwriting team , more than monthly volume ticket size ( sale size ) matters more, if your average sale size is too small to too big will have different boarding criteria.