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Embracing our roots, shaping tomorrow

A legacy of 75 years in Luxembourg

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Our story begins with a purpose: to make an impact that matters. This is a belief our founder, William Welch Deloitte, held in 1845 when he set out to build an enduring firm rooted in innovation, collaboration, and progress. From a small London accountancy practice, his vision grew into a global organisation of over 460,000 professionals, united by the same mission today.

In Luxembourg, we are proudly celebrating 75 years of local presence. What started in the 1950s as a modest firm known as “l’Agence” has grown alongside the country’s rise as a financial hub. Now with over 2,700 professionals, Deloitte Luxembourg continues to evolve, driven by agility, expertise, and a commitment to our clients' and society’s greatest challenges.

As we mark this milestone, we honour our legacy and look ahead with the same entrepreneurial spirit and purpose that defined our beginnings.


 

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Take a journey through time and explore how Deloitte grew alongside Luxembourg’s transformation, decade by decade, from its humble beginnings in the 1950s to bold visions for the future, 75 years on.

One article will be published each month, so stay tuned and follow the story as it unfolds.

The evolution of financial services in Luxembourg

Luxembourg was a very different place, 75 years ago. Picture a small, sleepy country, its economy still fuelled by steel production and a few local banks serving mainly domestic needs.

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Deloitte in the 1950s

Discover how Deloitte’s journey in Luxembourg began as a small firm known as “l’Agence” and laid the groundwork for decades of growth amid the early development of the country’s financial landscape.

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Deloitte in the 1960s

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Deloitte in the 1970s

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Deloitte in the 1980s

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Deloitte in the 1990s

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Deloitte in the 2000s

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Deloitte in the 2020s

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Deloitte 75 years from now

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Excerpt from the book “50 ans au service de l’économie Luxembourgeoise” published to commemorate the 50th anniversary of the Group Deloitte & Touche/Fiduciare Générale de Luxembourg.

© 2000, All rights reserved.

Project Coordination: Paul Fabeck

English translation: Stephen Palmer

Graphic design, execution, production: Editions Guy Binsfeld, Luxembourg

Photo credits: collections privées, archives Deloitte & Touche / Fiduciaire Générale de Luxembourg, Photothèque Municipale de la Ville de Luxembourg, Corbis, Hulton-Getty, Médiathèque de la CE, SNCF, Crédit Européen, Circuit-Foil, Bay-State, SEO, Dresdner Bank, Lëtzebuerger Journal, Tageblatt (Alain Rischard), Clinique Dr. Bohler, Goodyear, Clearstream International, Editions Guy Binsfeld, Banque de Luxembourg, Préfalux, Cerametal, Optique Moitzheim, Schroeder & Associés, CFL, Muller & Wegener, Miami University, Paul Wurth, Cegedel, Luxconsult, Circuit Foil, Kredietbank Luxembourg, Caves Rommes