SORGEM Observatory
Fairness opinions and independent expert reports
Explore the Observatory
MAURICE NUSSENBAUM
Chairman / Founding Partner
Financial Advisory Firm Valuation, Litigation, Transactions and Strategy
Alongside management teams, shareholders and investors, we provide independent financial expertise to inform strategic decisions, secure transactions and bring objectivity to complex situations.
Discover our expertise in valuation and financial analysis.
Recognised expertise
to inform your financial decisions.
Valuation & Modelling
We value companies, brands, patents and other intangible assets, as well as optional products such as management packages, to inform your decisions.
Litigation support
We support parties and their counsel in litigation and arbitration, providing economic and financial expertise, particularly for damages assessment.
Transaction Services
We support investors and companies in their M&A strategy through financial due diligences, whether they are buying or selling.
Brand & Strategy
We conduct strategic studies and economic analyses to provide an objective view of markets, business models and performance challenges.
At SORGEM, independent analysis is the strength behind every decision.
Discover our approach
Why SORGEM?
Recognised expertise.
Independence, methodological rigour, litigation experience, institutional recognition.
Our team
Our multidisciplinary teams combine complementary expertise, brought together by experienced professionals recognised in their fields.
CLAIRE KARSENTI
Partner
THOMAS HACHETTE
Partner
ALBAN CABANIS
Partner
professionals
highly qualified, several of whom teach at leading institutions.
rankings
Décideurs Magazine ranks us among the leaders in Valuation, Litigation and TS
affiliations
with the most recognised French professional institutions.
ENGAGEMENTS/YEAR
Discover the latest news from SORGEM
Publications & insights
Discover our latest in-depth articles, opinion pieces and conference talks.
SORGEM Observatory on fairness opinions
The latest on damages
TEG: The Court of Appeal of Aix-en-Provence reiterates that compensation requires proof of damage
Jul 16, 2026
Latest projects: Sorgem Evaluation
Proposed public buy-out offer by the SMABTP Group – Appointment of Sorgem Evaluation
Apr 2, 2026
