Law firm in Lille

The firm provides advisory and litigation services to companies of all sizes, non-profit organizations, and individuals, in the fields of corporate law, M&A, asset sales, commercial law, employment law, mediation and arbitration, tax law, intellectual property law, IT law, contract law, competition and consumer law, insolvency and bankruptcy law, real estate and construction law, civil and commercial leases as well as personal injury, whether nationally or internationally.

We also support clients in matters of mediation, arbitration and corporate strategy.
Our clients include multinational groups and foreign companies with a corporate presence or business interests in France.

Parking is available for visitors

Offices : 41 avenue de Flandre 59290 Wasquehal


Tél. +33 (0)3 20 74 60 32


The figures of the firm

2017 year of foundation
6 lawyers
95% satisfied
400 clients

#Practice areas

We support our clients in multiple areas of law

Support our customers at 360° thanks to the complementarity of the business lines present within the In Extenso group: the figure, the law and the consulting expertise (wealth management, mergers and acquisitions consulting, tourism and hospitality consulting, business creation, financing consulting, study and innovation management consulting).


Contact us

GO !

More about our network


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.

close slider