Commercial law

Our firm has elected to be multidisciplinary, meaning that we work with a range of commercial law professionals including chartered accountants, tax experts, wealth management advisors and merger and acquisitions specialists. We therefore offer a broad-based approach that can be adapted to each and every company director.

New contract law, increasingly stringent legislative constraints and evolving and rigorous commercial case law now require the ability to combine legal certainty and security with keeping up with the speed at which businesses operate.

Commercial law, an area of expertise at the heart of our firm’s activity

Multidisciplinary, we work with a group of professionals from the droit commercial such as chartered accountants, tax professionals, wealth management advisors and M&A advisors. We are thus able to provide a global response, adapted to each business leader.

We write all types of commercial contracts such as:

  • manufacturing contracts
  • distribution and/or marketing contracts
  • partnership agreements
  • business transfers
  • transfers of corporate securities
  • commercial leases
  • etc

In the event of a conflict, we will assist you before civil and commercial courts.


The lawyers
in commercial law

Commercial lease: a key support

Commercial lease is an essential element of an economic activity. It is a contract with complex and evolving regulations, and the financial consequences are often significant.

In the event of a dispute, the experience of our litigators guarantees you a fair analysis of the risks and their opportunity at the time of the initiation of the dispute and until its conclusion. Experts in legal engineering, our perfect knowledge of procedural law allows, if necessary, to obtain protective measures (pledge, statement on request, garnishment, etc.), and to ensure the effective execution of the decisions obtained.


With the experience of its lawyers specialized in commercial leasing, our network accompanies you on the various issues you may encounter.

Much more than a network…

In 2023, In Extenso Avocats has 50 employees including 22 associate lawyers and 21 lawyers and lawyers in collaboration who accompany on a daily basis VSEs, SMEs, liberal professions, communities, associations and foundations, executives and individuals in advice and litigation.

Our law firms, multidisciplinary, intervene in social law, tax, business law, real estate, civil law and international law. Some of them have more specific activities in public law, environmental law, insurance law, sports law and hotel-tourism-restaurant law.


Bien plus qu'un réseau de cabinets d'avocats

What makes us different

Multidisciplinary, our network of business law firms is interprofessional. We work in close collaboration with all the expertise present within the In Extenso group which allows our clients to benefit from a single, multi-interlocutor, to support them in their creation projects, development, management or transmission, whatever their sector of activity and the size of their company.

As a human-sized local network, our teams provide advice and litigation to all decision-makers, public authorities and individuals throughout France.

Discover the network


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Nos offres d'emploi


In Extenso Avocats brings together legal advice experts around common values who help companies (VSE, SME, ETI and large groups), associations, foundations, liberal professions, public authorities and more broadly all decision makers, to secure, manage and optimize their activity. Our lawyers also intervene in litigation to ensure the defense of the interests of their clients before the courts and jurisdictions concerned. Consulting subsidiary of the In Extenso group, French leader in accounting for small businesses and SMEs, In Extenso Avocats is a network of interprofessional business law firms combining legal professionals and professionals of the figure for a 360° support of companies and individuals.

Multidisciplinary, In Extenso Avocats helps its clients, all sectors of activity combined in multiple areas of law such as business law, commercial law, tax law, labour law and social protection, real estate and construction law, urban planning and regional planning law, environmental law, public law, intellectual property law including certified expertise in GDPR, family and heritage law and international law. Our lawyers are also recognized as experts in specific sectors of activity such as hospitality, catering, tourism or sports.

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