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Strategy and Creation That Drive
Tangible Results

Over and above the visible results, our projects are successful because of the time they take to conduct the change. So whether you're looking for a change in image, diversification or performance, take a look at some inspiring examples.

All case studies

Transforming French Basketball Leagues into Cultural Icons

Transforming French Basketball Leagues into Cultural Icons

Content & Influence
Strategy & Brand Consulting
Technology & Digital

France is a powerhouse for basketball talent. After Canada, it’s the country that sends the most players to the NBA. Yet, its national leagues — Betclic Élite (formerly Pro A/Jeep Elite) and Pro B — don’t get the recognition they deserve.

June 17, 2025
Transforming French Basketball Leagues into Cultural Icons
Managing change as part of a major rebranding project (AccorInvest becomes Essendi)

Managing change as part of a major rebranding project (AccorInvest becomes Essendi)

Strategy & Brand Consulting
Content & Influence

Essendi (formerly AccorInvest) reinvents itself with ELEF: new brand image, content, and roadshows to engage 25,000 employees.

April 1, 2025
Managing change as part of a major rebranding project (AccorInvest becomes Essendi)
Louis XIII
Organizing the graphic assets of a luxury brand

Organizing the graphic assets of a luxury brand

Content & Influence
Strategy & Brand Consulting
Technology & Digital

Louis XIII tasked ELEF to audit 100+ media and unify its brand codes, ensuring consistent 360° communication across all touchpoints.

March 1, 2022
Organizing the graphic assets of a luxury brand
Creating a breakthrough innovation in cognac

Creating a breakthrough innovation in cognac

Content & Influence
Strategy & Brand Consulting
Technology & Digital

To renew its audience, Louis XIII launched The Drop: a bold new cognac format and brand to reach new targets and embody timeless luxury.

March 1, 2022
Creating a breakthrough innovation in cognac

Awards et
recognitions

ELEF's innovative approach to strategy, content, and technology has been recognized by top industry organizations, highlighting our impact, expertise, and forward-thinking methodology.

What our clients say

( 5/01 ) “I’ve been working with Mathieu for over six years, and he’s far more than a consultant. He operates as a shadow member of our governance, consistently helping us drive forward our most ambitious ideas—even in highly complex environments. His strength lies in turning vision into tangible impact without ever compromising the original power of the idea. He’s a strategic and creative ally, essential when it comes to leading deep brand transformations."
Virginie Duval
Virginie Duval
Communication Director (Public Senat, France Galop, LNB)
( 1/15 ) "ELEF is more than a creative partner — they are true friends of the House. Their commitment matches their creativity, and together we brought to life bold expressions like The Drop and the reinvention of our brand guidelines. With ELEF, every idea becomes a statement."
Anne-Laure Pressat
Anne-Laure Pressat