Dirk Sebastian Büsing

Manager Group Accounting & Reporting at flatexDEGIRO SE

Greater Dusseldorf Area

About

Experience

  • flatexDEGIRO (Neuss, North Rhine-Westphalia, Germany · Hybrid)
    • Manager Group Accouting & Reporting
      Apr 2026 - Present · 3 mos

    • Manager IFRS-Group Accounting
      Mar 2025 - Apr 2026 · 1 yr 2 mos

    • IFRS-Group Accounting
      Oct 2023 - Mar 2025 · 1 yr 6 mos

  • Grant Thornton Germany (Full-time · 5 yrs 8 mos)
    • Senior Audit & Assurance
      Oct 2020 - Sep 2023 · 3 yrs

      Leading the execution of audits of annual financial statements, audits of consolidated financial statements as well as audits of reporting packages according to German Commercial Code (HGB) and IFRS of international companies and groups of different legal forms and sizes Audit of two German capital market-related groups and independent performance of reviews of interim consolidated financial statements Acquisition of extensive knowledge of financial and accounting applications, especially SAP ECC (SAP ERP 6.0), Microsoft Dynamics NAV, IDL Konsis, DATEV, SAGE Performing impairment tests as part of the audit of investment valuations considering discounted cash flow methods Leading the onboarding and training of new joiners and experienced employees in the audit team, in particular audit assistants and trainees in internal company processes, workflows, quality standards and auditing activities Participation in and contribution to company-wide special projects, e.g., supporting the introduction of a new client portal Conducting IT audits as part of annual and consolidated financial statement audits as an IT multiplier, in particular auditing IT systems and internal control systems (ICS) within accounting-related IT-supported business processes. In addition, audit-related consulting regarding the improvement of security and efficiency in information technology and accounting-related IT-supported business processes Carrying out the recording of internal control systems (ICS) and functional testing of ICS as well as independent processing of demanding audit areas using the Voyager and the LEAP audit software (Grant Thornton Audit Methodology) Execution of automated data analysis routines using CaseWare IDEA and Alteryx Acquisition of extensive sector expertise in the chemical industry, industrial manufacturing, automotive, retail and service sectors Preparation and taking the responsibility of audit plans, time and fee budgets

    • Audit Assistant
      Feb 2018 - Oct 2020 · 2 yrs 9 mos

      Audit of annual and consolidated financial statements of small and medium-sized German companies - HGB (German Commercial Code) - IFRS Accounting-related consultation (HGB and IFRS) Audit-related advisory

  • MSc Student at University of Düsseldorf
    Oct 2014 - Feb 2018 · 3 yrs 5 mos

    Major in Accounting and Entrepreneurial Finance, especially International Financial Reporting Standards, Audit, Performance Measurement Systems and Business Valuation

  • Audit Assistant at Warth & Klein Grant Thornton AG
    Mar 2017 - Jun 2017 · 4 mos

  • Performance Analyst at Vodafone Global Enterprise
    Sep 2016 - Feb 2017 · 6 mos

    Internship in the Performance Management Team at Single Front Door (Vodafone Global Enterprise Technology). Main duties included the following: - Project Management: Transition of customer related financial databases into internal Planview system to identify and resolve reporting issues - Production of weekly, monthly and quarterly Cost of Sales reports for various departments within Vodafone Global Technology Solution (Connectivity and Security, Cloud and Hosting, Unified Communications and Vodafone Complex Delivery) - Database Management: Consolidation and analysis of reporting information from various global markets, e.g. Americas, Asia-Pacific, Europe and Africa - Establishment of automated Excel tools for data accuracy improvement - Establishment of KPIs and performance dashboards - Assisting in the on-boarding of new local markets such as India and South Africa within current reporting procedures