ADVANT Altana 's large bench of litigators handles a quite diverse range of disputes with a strong involvement alongside leading insurers and banks which the team represents in major civil liability proceedings. Its commercial caseload is also solid and spans industries such as construction, telecoms and automotive. Finally, the practice is also entrusted to deal with post-M&A disputes and shareholders’ conflicts. The practice is headed by Valérie Lafarge-Sarkozy . Other key members include Julien Balensi et Benjamin Dors and counsel Jordan Illouz Of note, co-founded member. Christophe Lapp left the firm early 2025.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Very good service, very responsive and able to adapt.’
- ‘Good sense of negotiation and responsiveness.’
- ‘Personalised case management and commitment.’
- ‘Very strong responsiveness, technique and search for innovative solutions. Great work in preparing files.’
- ‘Great availability, great responsiveness.’
- ‘Valérie Lafarge Sarkozy is remarkable, available and relevant; Jordan Illouz is very responsive, very attentive to customers and is as concise as he is analytical.’
- ‘Benjamin Dors is an extraordinary lawyer. Very knowledgeable and client oriented. He has very good negotiation skills. He his also diplomatic, moderate and thoughtful.’
- ‘Valérie Lafarge Sarkozy and Jordan Illouz are excellent and responsive. They are available and their advice is of high quality.’
Key clients
- AG2R LA MONDIALE
- AMUNDI
- APAGOR (CLASS’CROUTE)
- APTAR
- ARKEMA
- ATOTECH
- BANCO COMERCIAL PORTUGUES (BCP)
- BNP PARIBAS
- BOUYGUES
- BOUYGUES TELECOM
- BOUYGUES BATIMENT INTERNATIONAL
- BPI France Assurance Export
- CARDIF ASSURANCE VIE
- CARDIF LUX VIE
- CFAO HEALTHCARE
- CHESTON
- CGI FRANCE
- Comité national olympique et sportif français (CNOSF)
- COVEA
- Docaposte
- ENEDIS
- ENGIE
- FAYAT
- HAGER
- HERMANDAD NACIONAL DE ARQUITECTOS (HNA)
- HSBC
- INVIVO
- MAAF
- MARSH
- MALAKOFF MEDERIC SERVICES
- MMA VIE ASSURANCES MUTUELLES
- NEXIRA
- NGE
- ONXEO
- ORANO
- OSTRUM
- RENAULT
- SAMSUNG
- SCHINDLER
- SPIE BATIGNOLLES
- TUI
- UXCO GROUP
- VEOLIA
- VEOLIA ENVIRONNEMENT
- VERALLIA
- VINCI
- VINCI ENERGIES
- VINCI CONSTRUCTION
- WEBUILD
Work highlights
- Represented Portuguese bank “BANCO COMERCIAL PORTUGUES” (BCP), which has been sued, alongside a French bank, before the Paris commercial court by leading French construction and social housing company.
- Representing RENAULT in a private enforcement litigation initiated in April 2017 by one of its former service providers
- Representing MMA VIE ASSURANCES MUTUELLES in its capacity as former board member of the Crédit Martiniquais which is being sued before the Paris Commercial Court by the Bank’s liquidator.
Practice head
The lawyer(s) leading their teams.
Valérie Lafarge Sarkozy