G.S.L. FIDUCIAIRE, S.A R.L.

Established in 2007, GSL Fiduciaire Sàrl is a prominent accounting firm located in Esch-Belval, Luxembourg. The firm operates in Luxembourgish, French, and German, reflecting its diverse clientele and internal operations. GSL Fiduciaire Sàrl, along with its sister company, GSL Reviseur, forms a cohesive group offering a broad spectrum of fiduciary services. These services encompass payroll processing, corporate and personal tax declarations, VAT submissions, Intrastat, and a full range of general accounting practices. 

The group prides itself on a team of 30 dedicated professionals distributed across its entities—20 in GSL Fiduciaire, 10 in GSL Reviseur. This structure ensures personalized and efficient service delivery to a diverse clientele. Notably, GSL Reviseur specializes in certain accounting tasks, highlighting the group’s approach to leveraging specialized expertise for optimal client service. 

Since its start in 2007, GSL Fiduciaire Sàrl has used Sage Bob, showing their use of advanced tools for better accuracy and efficiency. Now, the firm is looking to integrate Odoo, aiming to continue improving their operations with this modern business management software. 

The firm’s client base primarily comprises companies engaged in real activities, ranging from small enterprises to those with up to several hundreds employees, underscoring GSL Fiduciaire Sàrl’s capacity to handle a broad spectrum of accounting needs.