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Dirk Hertzog
@joanwalter1
German Freiberufler Bookkeeping and Tax Specialist
United Kingdom
German, English, Italian, Spanish
About me
As a dedicated German tax consultant, I provide professional support for individuals, freelancers, and businesses navigating Germany’s complex tax system. I specialize in income tax returns (Einkommensteuer), VAT compliance (Umsatzsteuer), reverse charge calculations, freelancer tax filings, and corporate tax matters for GmbH and UG companies. I also assist expats with German tax residency, foreign income reporting, and refund optimization. My goal is to ensure accurate filings, full compliance, and legally maximize tax efficiency while delivering clear guidance and reliable service.
Skills
Dirk Hertzog
Offline •
See my services
Tax Returns
I will file german income rental tax for non residential landlords
Tax Returns
I will prepare german tax return for expats self employed with vat return
Work experience
Senior Bookkeeping & Tax Compliance Advisor
Independent Reserve • Freelance
Jan 2018 - Present • 8 yrs 6 mos
Operate an independent bookkeeping and tax compliance advisory practice serving SMEs, freelancers, property investors, and ecommerce sellers across multiple jurisdictions. Provide end-to-end financial record management, tax compliance preparation, and management reporting across Xero, QuickBooks Online, DATEV, Lexoffice, MYOB, and Zoho Books. Key responsibilities and achievements: 1. Monthly bookkeeping and bank reconciliation for UK limited companies, sole traders, and LLPs across construction, hospitality, retail, automotive, and professional services sectors 2. Preparation of MTD-compliant VAT returns for UK businesses under standard rate, flat rate, and cash accounting schemes 3. CIS (Construction Industry Scheme) monthly return preparation (CIS300), subcontractor verification, and deduction statement production for UK contractors and subcontractors 4. TRONC scheme accounting for UK hospitality clients 5. Lexoffice and DATEV bookkeeping for German Freiberufler, GmbH, and Gewerbe clients: UStVA preparation, EÜR production, GoBD compliance review, §13b reverse charge application 6. Xero setup, migration, and cleanup for UK retail, wholesale, ecommerce, and property businesses 7. WIP journal entries and production cost accounting for UK and European manufacturing businesses in QuickBooks Online 8. Airbnb, rental property, and buy-to-let bookkeeping for UK landlords: Section 24 mortgage interest treatment, SA105 schedule preparation, multi-property P&L 9. Automotive dealership bookkeeping: vehicle stock accounting, HP commission reconciliation, VAT Margin Scheme compliance, floorplan finance reconciliation 10. Zoho Books setup and inventory management for retail and wholesale businesses
Junior Finance & Accounting Assistant
Manufactured Housing Consultants
Aug 2013 - Nov 2016 • 3 yrs 3 mos
Worked within the finance function of a mid-size German manufacturing business in the Stuttgart region. Supported the finance manager with DATEV bookkeeping, accounts payable and receivable, and preparation of monthly management reporting. Gained hands-on experience with German tax compliance, GoBD requirements, and UStVA preparation in a manufacturing environment. Key responsibilities: 1. DATEV bookkeeping using SKR03 chart of accounts: raw material purchases, production cost allocation, finished goods postings 2. Processing supplier invoices (Eingangsrechnungen) and customer invoices (Ausgangsrechnungen) in DATEV 3. Monthly UStVA (Umsatzsteuervoranmeldung) preparation and cross-check against DATEV Summen- und Saldenliste 4. Bank reconciliation (Kontenabstimmung) for business accounts held with Volksbank and Sparkasse 5. Intercompany transaction processing and intra-EU supply bookings under §13b UStG 6. Preparation of Betriebswirtschaftliche Auswertung (BWA) for monthly management review 7. Support with annual EÜR and Jahresabschluss preparation for handover to external Steuerberater 8. GoBD document management: receipt scanning, digital archive maintenance, sequential filing
Accounts and Finance Intern
Property Options & Developments • Part-time
May 2012 - Jun 2013 • 1 yr 1 mo
Completed a 12-month finance internship with a London-based property management and investment business managing a portfolio of residential buy-to-let, HMO, and commercial properties. Supported the finance team with landlord accounts, rental income reconciliation, and property cost management.
