
Your accounting and tax partner.
Efficient and reliable accounting and tax information is crucial to ensure the success of your business. Our dedicated team of experts understands the complex requirements businesses face. From bookkeeping and payroll to tax services, we are here to assist you in ensuring smooth management, allowing you to focus on what matters most: the well-being of your business.
Let’s explore your accounting needs together.
Our Expertise.
Accounting
We ensure accurate and up-to-date bookkeeping for a clear view of your financial situation, essential for effective management.
- Recording of accounting documents
- Preparation of the balance sheet
- Tax filings
- Consultations, analyses, and advice
Payroll
We assist you in the conscientious processing of wages and contributions, while ensuring strict compliance with current regulations.
- Calculation and simulation of salary slips
- Preparation of contracts, termination letters
- Declarations (Social Security, taxes, etc.)
- Advice on labor law and social security law
Tax Consulting
After detailed analyses and in-depth discussions, we commit to providing you with accurate and tailored tax advice for your specific situation, ensuring transparency and compliance.
- Tax advice
- Tax filings
Company formation and management
Support during the creation and structuring of your business. We stand by you at every key step, from drafting the statutes to handling administrative formalities.
- Preparation of statutes
- Preparation of Ordinary and Extraordinary General Meetings
- Registration and publication
Company liquidation and transfer
GSL is there to facilitate not just a structured and serene liquidation process, but also to ensure a smooth transition of your business. We commit to protecting your interests while complying with legal obligations.
Our latest news.
Insights for managing your business activities.
What are the 3 cases of capital gains tax exemption for life insurance in Luxembourg?
Life insurance is an excellent way to save money and prepare for estate planning. In Luxembourg, it also offers significant tax advantages. In principle, when you invest money into a policy, this money [...]
More InformationsSetting up a business in Luxembourg: choosing the right vehicle and securing the business permit
Hesitating between a sole proprietorship, Sàrl/Sàrl‑S, SA, SAS or SCS/SCSp? Below is a concise roadmap to select the right vehicle, understand when a business permit is required, and complete the registration, tax [...]
More InformationsNon-profit organisations: bring your articles of association and accounting into compliance
GSL Fiduciaire supports you — and equips you with Odoo Parliamentary news reminds us that the law of 7 August 2023 has been fully applicable to all associations and foundations since 24 [...]
More InformationsWho we are
Meet the GSL team – dedicated professionals, here to guide you simply and effectively through your accounting and tax challenges.







