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The firm

The firms AD (Jérôme DEREUX), SINE QUA NON (Karine HEUDRON), CLERC & ASSOCIES (Thierry CLERC) and CJFS (Jean-Marie SORET and Anne-Marie RAYNAUD), local law firms operating in the Normandy region (Rouen, Evreux…), specialised with companies of all fields of activity and size, and the law firm FRANCOIS CLEACH AND PARTNERS (Philippe CLEACH), a Parisian law firm and wealth structuring professional, are pleased to announce their merger FCA GRAND OUEST, a firm dedicated to businesses in the Greater West region.

The FCA GRAND OUEST teams support teams and leaders of large groups and SMEs, international, national and regional, both in their daily lives and in more complex and strategic transactions by providing them with their legal and tax skills.

Responsiveness, listening and adaptability are our assets for the development of our customers, always in search of innovative tools and solutions.

The firm includes 6 partners, 5 associate lawyers and 6 legal assistants.

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Our values


& Coordination

We work as a team with all our clients’ counsels, if necessary using a network of high quality partners, bankers, financial advisers, notaries… to gather the required expertise for each case.


& Rigour

Thanks to a solid legal background, we are able to maintain a quality of work and constant rigour, even under pressure; which are essential assets to succeed in any type of operation.


& Operationality

Our pragmatic and integrated vision linked to our experience in the corporate world allows us to combine the legal and operational aspects of each of our clients’ business and to meet the challenges of everyday life in an increasingly competitive environment.

High standards

& Independence

Inherent values to the profession of lawyer, we know how to support our clients in a “tailor-made” way while keeping clear objectives: excellence and autonomy.