The core activity of Saguier Fiduciaire SàRL is the provision of services in the field of auditing and corporate consulting, in particular: company formation and domiciliation, fiduciary activities (mandat d'administrateur), tax consulting (fiscalité) including tax returns for companies and individuals, accounting and financial management (tenue de la comptabilité), payroll management (gestion des salaires), and preparation of annual financial statements and other financial reports. The company offers these services primarily to small and medium-sized enterprises (PME) and self-employed individuals (indépendants) in the Geneva region.