The core activity of Fidulavaux is the provision of services in the field of fiduciary economy, specifically: Accounting: accounting entries, accounting monitoring/assistance, closing entries, consulting for annual financial statement preparation. Taxation: tax consulting, preparation of tax returns for companies and individuals, value-added tax. Payroll: payroll management, salary calculation, social security administration, year-end closing, withholding tax. Administration: management of debtors and creditors, invoicing, general administrative tasks. The company thus offers comprehensive services for companies and individuals in the field of financial and administrative services.