Abstract: Systems, apparatuses, and methods may include establishing an omnibus account for conducting financial transactions with a financial institution, establishing a brokerage account for each of a plurality of customers, receiving a plurality of order requests to make transfers of respective customer-specified monetary amounts between a subset of the brokerage accounts and the omnibus account, aggregating the monetary amounts to determine a net monetary amount based on the order requests, generating a payment order based on the net monetary amount, communicating the payment order to the financial institution, and receiving confirmation from the financial institution in response to the payment order to execute the order requests.