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"Guided by our unwavering commitment to excellence and driven by the belief that our actions today shape a future where purpose meets impact, we at Deloitte Luxembourg continue to chart a path that resonates with our core values—a people-centric approach where we recognise the indispensable power of human connections to lay the groundwork for our future success.  


As we navigate through today's unpredictable global landscape, we remain dedicated to serving our clients impeccably, empowering our diverse workforce, and championing causes that uplift our communities and the planet.  


This is what makes us distinctly Deloitte, uniquely Luxembourg."

John Psaila, CEO - Managing Partner, Deloitte Luxembourg

Deloitte Luxembourg in numbers

Who we are

Deloitte has a long history in Luxembourg. What started in the 1950s as a small accountancy practice called “l'Agence” is today a multidisciplinary firm, part of a global network of more than 456,000 dedicated professionals providing audit and assuranceconsultingfinancial advisoryrisk advisorytax  and related services to select clients. 

Since the very beginning, Deloitte Luxembourg’s mission has been to support clients in making their most challenging business decisions with confidence, and helping them lead the way to a stronger economy and a healthy society. 

The firm is structured around three business functions: Audit & Assurance, Advisory & Consulting, and Tax. These functions are supported by our internal services, including Marketing & Communications, Legal, Quality and Compliance, IT, Office Management, Human Resources and Finance.  Mirroring the rich diversity of the country in which it operates, Deloitte Luxembourg serves many different clients, from individuals to private and quoted companies, and from local to middle market and international groups.  

True to our commitment to be close to our clients, we are structured by industry to offer the expertise our clients need, address their challenges, and assist them in seizing market opportunities. We also actively listen to our clients to offer tailor-made solutions and remain agile in a fast-moving environment. 

Our partnership

Our leadership

Executive Committee
The executive management of the Firm is the responsibility of the Executive Committee. Except where provided otherwise by the Company organisational documents, the Executive Committee shall be invested with the widest powers to deal with all matters pertaining to the achievement of the objects of the Firm. The Executive Committee, under the leadership of the Managing Partner, who bears ultimate responsibility for its actions, shall in particular be responsible notably for the defence of the collective interests of the Firm, overseeing the working of the Practice, for partner matters, for the maintenance of key business/client relationships, for the business development strategy. It shall also ensure that the Firm complies with applicable laws and regulations, whether originating in Luxembourg or elsewhere and shall make sure that enterprise-wide business risks have been properly identified, adequately assessed, appropriately prioritized, managed and monitored on an on-going basis and regularly reported to them.

Discover more about Deloitte Luxembourg’s leadership here:

Supervisory Board
The Supervisory Board is an independent committee that acts as the firm’s primary oversight body. It serves as a counterweight to the firm’s executive bodies (the Executive Committee and Managing Partner) in long-term business and financial strategy matters. The primary role of the Supervisory Board is to oversee the firm’s executive management by the Executive Committee, while at no time interfering in it. The Supervisory Board is notably tasked with overseeing Partnership admission/removal and Equity Partner role level and remuneration, as well as giving input on matters such as ethics, risk management and internal audit, material investments, etc. 

Principles of leadership

Our commitment to responsible business practices

Deloitte’s commitment to responsible business is rooted in our Purpose— more than 175 years of making an impact that matters for our people, society and clients. Our Purpose defines who we are and why we exist. Our Shared Values describe how we live our Purpose, and our  Global Principles of Business Conduct  explain our ethical commitments. 

Deloitte’s Responsible Business Practices statement outlines the responsible business principles we believe in and the commitments we have made. These are embedded in our policies and inform our decision-making. 

Our Purpose

We are led by a shared global Purpose: to make an impact that matters.  

For our clients, talent, and society. 

Our Purpose defines who we are and is the foundation of our culture. It endures—transcending the everyday and binding us together. It gives us the reasons why our organization exists. 

We deliver on our Purpose by providing service, contribution, leadership and inspiration. To succeed in our Purpose, we need to be leaders in all that we do: 

  • Being the first choice for clients; 
  • Being the premier career destination, providing the world’s best talent with professional and personal fulfillment; 
  • Being the organization that regulators and influencers hold up as a role model of integrity and positive change; 
  • Helping to solve the toughest global challenges; 
  • Being the best, not necessarily the biggest; and   
  • Always living our Purpose. 

Ethics and anti-corruption

Our Shared Values

Our Shared Values are the underlying values that contribute to long-lasting success at Deloitte. They are the foundation from which we make decisions and take action. They are the fundamental principles that link our diverse practices, cultures and functions together. They are simple, yet make a powerful statement about what we value and how we act individually and as a global organization.  

  • Lead the way  
    Deloitte is not only leading the profession but also reinventing it for the future. We are also committed to creating and leading the way to a more sustainable world. 
  • Serve with integrity  
    By acting ethically and with integrity, Deloitte has earned the trust of clients, regulators and the public. Upholding that trust is our single most important responsibility. 
  • Take care of each other  
    We look out for one another and prioritize respect, fairness, development and well-being. 
  • Foster inclusion  
    We are at our best when we foster an inclusive culture and embrace diversity in all forms. We know this attracts top talent, enables innovation and helps deliver well-rounded client solutions. 
  • Collaborate for measurable impact  
    We approach our work with a collaborative mindset, teaming across businesses, geographies and skillsets to deliver tangible, measurable and attributable impact. 

Commitment to excellence—client satisfaction
We are committed to delivering pristine quality and excellence in everything we do. This is why we put a great emphasis on understanding our clients’ experience when they choose Deloitte. The Client Experience Score measures how successfully a company delivers experiences that create and sustain loyalty. It offers us a unique chance to constantly improve our services to always match and exceed our clients’ expectations. 

Our priorities

Agile Collaboration
As technology becomes more embedded into our lives every day, our collaborations become faster and more efficient—but also more complex. We strive to enable impactful collaborations so that information is shared, experience is gathered, and success is replicated.  

We build teams with a purpose, sharing best practices and connecting to deliver excellence. This also implies a transparent approach to communication within the entire firm.  

Deloitte’s leadership is placing a great emphasis on regular and transparent communication regarding all challenges and opportunities the firm is facing. Through regular virtual and on-site townhalls, whether firmwide or by business function, we shared with all our professionals where we stood and where we aimed to go. We delivered on our “We/Me” hybrid work model enabling our professionals to work from home when they require uninterrupted focus and to join the office for projects and moments that necessitate in-person collaboration.

How can we design cutting-edge solutions that enable our clients and us to work smarter and faster? What will tomorrow’s businesses look like, and how can we leverage technology to help them become successful? Our long-standing focus on fostering innovation in the firm’s business functions and internal services means we commit, year after year, to allocate an important part of our resources to design solutions that gain a competitive edge in tomorrow’s landscape.  Through our D.GET intrapreneurship program our professionals benefit from a platform where they get the opportunity to share their best ideas to contribute to the future success of Deloitte, to transform ideas into value added services for our clients, to learn & practice how to present and pitching in front of a jury and to support the development of a comprehensive go-to-market approach & communication plan. 

Sustainability is much more than protecting our planet. It is the determination to embed sustainability in everything we do. It is about making an impact on our communities, supporting them with our expertise, delivering value in the service of the public interest, and building for tomorrow.  

It is also about advising our clients on building long-lasting value that will benefit the next generations, leaving them a world in which they can grow and prosper.  

Our appointment of a Sustainability Leader is fundamental in this regard, demonstrating and giving substance to our commitments. Transversal by nature, our Sustainability Leader’s role is to embed sustainability in every aspect of our organization while supporting our clients to embrace change, making it an opportunity and a foundation for their future success.  

To achieve our aim of being a responsible corporate citizen, our Corporate Social Responsibility team has been active for more than 12 years, designing new actions to support our efforts and make an impact on our people, communities, society and the planet.   

Diversity & Inclusion 
At Deloitte, we believe that an inclusive culture, underpinned by respect at all times, provides the foundation for a diverse and vibrant organization.  

Our strength and ability to deliver excellence to our clients also rely on our capacity to attract, welcome and retain people from various backgrounds, origins, beliefs and ways of living. Guided by our Shared Values, which are deeply enshrined in our ALL IN strategy, we are convinced we will thrive by empowering our people to be their true selves. This is why we nurture our thinking on the topic through regular training, webinars, conferences and discussions. Recognizing that meaningful change takes time and dedication, we harness the progress made through specific initiatives to continually raise our ambitions internally and externally. To discover more, please visit Diversity & Inclusion at Deloitte Luxembourg. 

Digitalization is at the heart of our strategy. Through our digital factories, notably (Tax Digital Factory), Digital Factory | Advisory & Consulting) we constantly rethink and reshape our services, and design new ways to interact both internally and with our clients. We leverage new technology to make us react faster and add value where it matters.  

The emergence and rapid advancement of generative artificial intelligence (AI) has unlocked a host of new marketplace applications and a surge of productivity growth, and Deloitte is well positioned to help clients capture these new opportunities. 

In 2023, Deloitte has launched a Gen AI Initiative. This collaborative effort among Deloitte Global and Deloitte member firms aims to harness the potential of artificial intelligence to drive innovation, enhance operational efficiency, and deliver value to our clients. The Gen AI Initiative consists of 3 focus areas: 1. Service Delivery Transformation (SDT): reimagining delivery across all businesses and enabling Areas. 2. Market Activation (MA): launching new Generative AI assets and services in the market. 3. Innovation: shaping new businesses in emerging markets with Generative AI.