Abstract: In various embodiments, a network based system for reconciling financial data to a general ledger is provided, which comprises a financial data module configured to receive or transmit data from a front office and/or back office concerning a financial transaction or instrument; an adjustments module coupled to the financial data module configured to adjust the data received or transmitted from the front office and/or back office; a tracking module coupled to the financial data module configured to track adjustments made to the financial data; a reconciling module coupled to the data module configured to reconcile financial data from the front office and/or back office; and a lock down and signoff module coupled to the financial data module configured to prevent altering of the financial data and allow an authorized user to provide a digital signature to verify the integrity of the financial data at a close of business day.