ServiceWerk is business management and accounting software for flooring and parquet professionals, combining a browser-based office application with a mobile field app. It synchronizes data between office and job sites, eliminating manual entry and ensuring all team members access current information. The office software manages the project lifecycle, from quotes to invoicing and accounting, with features like quote-to-order conversion and change order reconciliation. Accounting tools track income, expenses, VAT filings, and revenue summaries while complying with German tax regulations. The field app documents activities per VOB and DIN standards, including moisture measurements, substrate preparation, and installation steps, transferring data to the office for accurate billing. Features include photo documentation, time tracking, material records, inventory updates, GPS tracking, and on-site cost capture, with daily reports and VOB-compliant notices syncing instantly.