Chartered Accounting Firm
TYLS Advisory – Your trusted partner in Luxembourg
13-15 Avenue de la Liberté – 1931 Luxembourg
Monday to friday : 9h00 to 12h30 and 13h30 to 17h00
Languages spoken at the firm.

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Chartered Accounting Firm
TYLS Advisory – Your trusted partner in Luxembourg
13-15 Avenue de la Liberté – 1931 Luxembourg
Monday to friday : 9h00 to 12h30 and 13h30 to 17h00
Languages spoken at the firm.
Our history
Cross-border expertise since 1988
Since 1988, TYLS Advisory has evolved to support entrepreneurs through all key moments of their professional lives. In Luxembourg, we put our knowledge of the local tax and legal context at the service of founders, leaders and investors.
From advisory to management, we help you build sustainable projects—always with responsiveness and a personal approach.
Accounting and corporate services
Accounting services
- Bookkeeping
- Annual statutory accounts according to Luxembourg legislation (LuxGAAP)
- Support with FundGAAP to LuxGAAP conversion
- Periodic reporting and interim statements
- Individual and consolidated financial statements
- Financial reporting (BCL, CSSF) and AIF(M)
- Coordination with auditors, statutory auditors and third parties
- Advice and support for setting up your accounting framework
- Assistance with customer invoicing design and automation
- Management accounting
Corporate services
- Company domiciliation
- Provision of a registered office
- Assistance with serviced offices and facilities
- Support in appointing a Luxembourg administrator/manager
Corporate secretarial services
- Compliance support and FATCA/CRS reporting
- Assistance with electronic invoicing implementation
- Monitoring and handling of company correspondence
- Maintenance of statutory books and company records
- Organising and attending board, management, supervisory meetings and general assemblies
- Ensuring compliance with legal obligations
Consulting Services
Company creation
- Drafting of articles of incorporation
- Structuring
- Shareholders'/partners' agreement
- Liaison and notarial follow-up
- Support with bank account opening
- Assistance in obtaining a business license
- Assistance in obtaining establishment authorization (Business License)
Advisory support
- Franco-Luxembourg analysis
- Purchase/Sale of business assets
- Due diligence
- Intellectual property
- Assistance in establishing contracts and managing contract negotiations
- Guidance on choosing or changing legal form (SA, SARL/ SARL-S, SCA, Sole Proprietorship…)
Special mandates
- Company liquidator
- Statutory auditor engagements in Luxembourg (Article 443-2 of the 1915 Law)
- Liquidation auditor
Taxation
Direct taxation (CIT, MBT, NWT)
- Preparation, review and filing of direct tax returns and related annexes
- Liaison with the Luxembourg Tax Authority (ACD)
- Tax assessment
Indirect taxation (VAT)
- VAT registration
- Preparation, review and filing of annual and periodic VAT returns and related annexes
- Communication with the Registration Duties, Estates and VAT Authority (AED)
- Cross-border VAT support via the one-stop shop (OSS)
Personal taxation (employees, cross-border workers, self-employed)
- Tax optimization advice
- Assistance with preparing a personal tax return (Form 100) and annexes
Other tax services
- Cross-border analyses
- Withholding tax (dividends...)
At your service
The TYLS Advisory expert team
Accountants, lawyers, tax specialists or strategic advisors: our experts work together to secure your decisions and anticipate your needs.
At your service
The TYLS Advisory expert team
Accountants, lawyers, tax specialists or strategic advisors: our experts work together to secure your decisions and anticipate your needs.
Support that drives your success
Our 4-step approach
A method to structure, activate, and sustain your growth momentum
Diagnosis & needs analysis
Tailored proposal
Implementation
Ongoing support
Support that drives your success
Our 4-step approach
A method to structure, activate, and sustain your growth momentum
Diagnosis & needs analysis
Tailored proposal
Implementation
Ongoing support
Founders, business buyers, business leaders, investors
Need a chartered accountant in Luxembourg to support you?
Our team of experts is here to support you personally.
Founders, business buyers, business leaders, investors
Need a chartered accountant in Luxembourg to support you?
Our team of experts is here to support you personally.
Premiers avis prochainement
Les avis clients apparaîtront ici bientôt
Premiers avis prochainement
Les avis clients apparaîtront ici bientôt
Informations
Chartered Accountants in Luxembourg: finding the right partner at Europe’s crossroads
Finding the right chartered accountant in Luxembourg is more than a formality—it’s a strategic choice. At the heart of Europe, bordered by France, Germany, and Belgium, accounting here requires navigating complex tax regulations, multilingualism, and an international business environment. TYLS Luxembourg combines local expertise with a tailored approach for business leaders and investors.
A dynamic and demanding economic ecosystem
The Grand Duchy stands out for its political stability, attractive tax system, and international openness. Yet this appeal comes with dense and sometimes complex regulations. Corporate taxation, HR management, and accounting compliance all involve numerous and constantly evolving obligations.
This is where TYLS Advisory makes a difference—combining local proximity with an international outlook. More than a service provider, the firm is a trusted partner, anticipating risks and delivering tailored, practical solutions for every business.
The key role of a fiduciary in Luxembourg
The term fiduciary in Luxembourg is often associated with accounting expertise. In reality, its role goes far beyond bookkeeping. At TYLS, this role expands into full-spectrum support:
• Company creation and domiciliation: a crucial step for any entrepreneur establishing a presence in Luxembourg.
• Bookkeeping and financial reporting: prepared under local (LuxGAAP) or international standards.
• Management of tax and HR obligations: corporate tax, VAT, payroll, and social security.
• Strategic advice: choice of legal structure, tax optimisation, and guidance on growth or succession.
In short, TYLS Advisory is not just a fiduciary—it is a long-term partner for businesses.
Why work with a TYLS Luxembourg accountant?
At TYLS, the role of a chartered accountant goes far beyond crunching numbers. Accountants are guardians of a company’s financial reliability. Their responsibilities include:
• Preparing annual financial statements
• Designing efficient accounting systems
• Developing forecasts and dashboards
• Coordinating with external parties
Their role is all the more critical as Luxembourg imposes strict financial and compliance standards. With its strong local expertise, TYLS ensures your obligations are met and keeps you fully compliant.
The advantages of a multidisciplinary consulting firm like TYLS
Unlike a fragmented approach, TYLS Advisory Luxembourg brings multiple areas of expertise under one roof:
• Accounting and taxation: to ensure accuracy and optimise the tax burden
• Legal advisory: to secure articles of incorporation, contracts, and strategic decisions
• HR and payroll: to handle social obligations with peace of mind
• Strategic guidance: to support leaders in investment, growth, or succession decisions
This 360° vision allows us to provide bespoke support, adapted to both local and international challenges.
Valuable cross-border expertise
Luxembourg lies at the crossroads of France, Germany, and Belgium. Many executives and employees commute daily across borders. This reality requires in-depth knowledge of tax and social rules in multiple countries.
This is one of TYLS Advisory Luxembourg’s greatest strengths: its Franco-Luxembourg expertise and its proven ability to manage cross-border issues.
Some concrete examples:
• How should cross-border employee income be declared?
• Which tax treaty applies to a company with subsidiaries in France and Luxembourg?
• How can VAT be optimised in a cross-border context?
These complex questions demand specific expertise—expertise that TYLS delivers thanks to years of field experience.
The profiles of companies supported by TYLS Advisory
Working with an international consulting firm like TYLS is not just for large corporations. Our clients include a wide variety of profiles:
• Business founders: support from drafting articles of incorporation to obtaining a Business Licence
• SMEs and small businesses: outsourcing of accounting, payroll, and legal obligations
• Professionals and independents: tax and HR management tailored to their status
• International groups and investment funds: legal structuring, consolidated reporting, and statutory audits
• Holding companies: profitability management, tax planning, and wealth monitoring
Concrete benefits for managers
Choosing TYLS Advisory Luxembourg brings clear, measurable benefits:
• Time savings: by outsourcing administrative and compliance tasks
• Legal and tax security: with experts fully up to date on regulatory changes
• Financial optimisation: through proactive management of tax and assets
• Clear insight into profitability: with modern management tools
• Tailor-made support: adapted to both the manager’s profile and the company’s ambitions
Frequently asked questions about TYLS and consulting firms in Luxembourg
What is the cost of a consulting firm like TYLS?
Fees vary depending on company size and scope of work. A start-up founder will not pay the same as an international group. At TYLS, every proposal is transparent and tailored to your needs.
Is TYLS a fiduciary or a consulting firm?
Both. TYLS combines the strengths of a Luxembourg fiduciary specialising in accounting and taxation with the expertise of a multidisciplinary consulting firm able to address strategic challenges. TYLS Advisory is also a member of the Luxembourg Institute of Chartered Accountants.
Why choose TYLS over another firm?
Because TYLS brings together multidisciplinary expertise, unique cross-border experience, and close relationships with clients. This combination is what sets us apart.
Conclusion: TYLS, your trusted partner in Luxembourg
In Luxembourg, achieving business success requires strong mastery of accounting, tax, and legal matters. TYLS Advisory Luxembourg plays a key role in securing this journey—turning regulatory constraints into growth opportunities.
Whether you are a founder, SME, or investor, choosing a Luxembourg fiduciary like TYLS and working with experienced professionals means benefiting from reliable support and optimised business management.
