Participation in preparation and submission of monthly internal reporting to the Head Office (IFRS and HGB) for Commerzbank AG London Branch and its subsidiaries. Assistance in implementation of reporting changes required by Head Office. Ensuring the changes are tested effectively and implemented within the required deadline. Support in maintaining product, system and process documentation which is informative and up-to-date. Participation in monitoring General Ledger Chart of Accounts structure & content closely aligned to the main Group CoAs visible in group reporting forms. Work on ad hoc requests throughout the year as prioritized by Finance management.