We have been an independent full-service business and litigation law firm serving international and domestic clients for 30 years in Luxembourg with the highest professional standards and entrepreneurial culture. Our teams of strongly committed partners and lawyers of different nationalities support local and international players throughout their projects from inception to implementation.


The multilingual lawyers advise local and multinational companies from all industry sectors, leading institutional investors, private equity houses, banks, investment funds, and numerous other businesses in corporate M&A, restructuring and insolvency, private equity, capital markets, banking and finance, investment funds, real estate and construction, social and employment, arbitration, litigation, insurance and reinsurance, and tax.

Our firm was founded in 1994. In our early years, we built substantial expertise in litigation and advisory services for local clients.

Over time, we expanded our focus to include international clients and cross-border businesses, providing comprehensive legal solutions across all areas of law.

We proudly advise a diverse clientele, including local and multinational companies across all industry sectors. Our client portfolio includes some of the world’s largest corporations, leading institutional investors, prestigious private equity houses, and various businesses and professionals.

We collaborate extensively with leading audit and tax firms, enhancing our ability to provide comprehensive solutions. Additionally, we regularly engage in cross-border cases with foreign magic circle and other firms, who recommend our legal services to their clients seeking expertise in the Luxembourg jurisdiction.


We are often described by our clients as a friendly, proactive and responsive firm. At our core, we prioritize quality over quantity, ensuring that every interaction and service we provide meets the highest standards. We maintain a strong ambition to succeed, driven not only by our dedication to our clients but also by our own aspirations for excellence.


We uphold a steadfast commitment to quality in all our endeavors. This means delivering excellence in every service we provide, from legal advice and representation to client communication and satisfaction. Quality is embedded in our work ethic, ensuring that we consistently strive for the highest standards of professionalism, accuracy, and effectiveness. By prioritizing quality, we not only meet but exceed the expectations of our clients, fostering long-term trust and loyalty.


We embrace ambition as a driving force behind our continued growth and success. Ambition fuels our pursuit of innovation, excellence, and continuous improvement, inspiring us to push boundaries, explore new opportunities, and overcome challenges. We are committed to ambitious goals that stretch our capabilities and propel us toward greater achievements. By cultivating a culture of ambition, we empower our team to reach new horizons of excellence and make a meaningful impact on the legal profession and beyond.


Independence is fundamental to our integrity and autonomy as a firm. We prioritize independence in decision-making, ensuring that our actions are guided by principles of impartiality, objectivity, and ethical conduct. We maintain independence from external influences to safeguard the interests of our clients and uphold the highest standards of professional integrity. By remaining independent, we preserve our freedom to act in the best interests of our clients, uphold the rule of law, and contribute positively to society.

In essence, these core values_quality, ambition, and independence_serve as the cornerstone of our firm's identity, guiding our actions, shaping our relationships, and driving our collective pursuit of excellence in the legal profession.

We take the time to thoroughly understand our clients' businesses and their specific needs. Our approach is characterized by providing legally sound and pragmatic solutions tailored to the unique requirements of each client.

Our commitment to client-centricity ensures that our solutions are not only comprehensive but also strategically aligned with the specific goals and circumstances of our clients.

While we maintain a strong international character, we have cultivated close working relationships with distinguished law firms worldwide that share our philosophy and standards of quality. Independence, in our context, also means the liberty to accept clients of all sizes and sectors, treating each with an equal level of commitment.

We deliberately chose to remain an independent, non-affiliated firm. Independence for us means the freedom to select the most competent law firm in each jurisdiction for complex cross-border transactions, ensuring the best outcomes for our clients.


KLEYR GRASSO stands as a prominent leading medium-sized Luxembourg law firm, distinguished for offering a comprehensive range of services with extensive experience across diverse practice areas.

Our expertise and legal know-how have been meticulously cultivated over many years, encompassing proficiency in over 20 domains of expertise. We foster a collaborative environment accross all areas, cultivating an ethic of client-first satisfaction in our team.

With our extensive and interconnected spread of industry and sectoral expertise, we are equipped to provide comprehensive legal advice and services to our clients.


At KLEYR GRASSO, we understand that the legal landscape is dynamic and industry-specific. We are certainly one of the Luxembourg law firms rendering the most full service.

Our dedicated team of legal professionals is committed to providing tailored solutions to meet the unique needs of clients across diverse sectors.

We achieve this through:

Industry Insight: Our team possesses in-depth knowledge of the intricacies of your sector, allowing us to anticipate challenges and proactively address your legal needs.

Customized Solutions: Recognizing that each industry has its nuances, our approach is to provide customized legal solutions that align with your business goals and industry regulations.

Collaborative Partnership: We believe in fostering a collaborative partnership with our clients. By understanding your industry context, we can better serve your legal requirements and contribute to your success.

Internationally, our strategic focus is to be an independent but leading Luxembourg law firm in the local legal market. We handle cross-border and multi-jurisdictional client matters in collaboration with high-profile correspondents and distinguished foreign law firms.



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