About MSE Avocats

Who are WE

MSE Avocats assists French and international companies in dealing with their legal issues relating to international mobility, particularly in the areas of taxation, labor law, international remuneration systems and international social protection. This center of legal and tax expertise complements the services offered by RHExpat since 2011 in the management of international human resources. We offer to support our clients at every stage of their cases, by promoting a pragmatic and efficient approach. We make our expertise available to our customers, to offer them solutions adapted to their operational constraints and their international ambitions.

Our strengths

global mobility expertise


A team entirely dedicated to your global mobility issues

Tax law

Assistance with preparation of French income tax and wealth tax returns. Costs estimates in different countries. Analysis of individuals and companies taxw status and liabilities. Implementation of the favorable tax regime for impatriates (art. 155B CGI). Registration of new taxpayers with the French tax authorities. Obtaining individualized French withholding tax rate. Assistance with French withholding tax obligations on compensation paid to employees (PAS / PASRAU / non resident withholding tax declaration).

International labor law

Assistance with draft and review of French and international employment contracts, transfer agreements, assignment letters, offer letters, settlement agreements… Determination of parties’ rights and liabilities. Assistance with transaction agreements and juridical litigation. Assistance dedicated to the posting of foreign employees to France (online formalities : SIPSI procedure, etc.)

Compensation systems

Assistance with compensation structuring for employees and executive directors while being expatriated out of France or coming from abroad.We assist our clients with the package offers, in order to be more attractive on international recruiting market. We also design tailored global mobility policies. We can assist you to determine gross compensation package, net in the pocket, with social and tax equalization or protection calculations, etc.

Welfare protection

Assistance for analysis and determination of rights and liabilities for each party engaged in a mobility situation.
Affiliation with French voluntary social schemes.
Assistance with the registration and payroll process for foreign companies without fix basis in France (Titre Firmes Etrangères - TFE)
Applications for social certificate of coverage.

Our network

Recognized expertise in Global Mobility

Committed to your side

We have developed a network of independent professionals in France and around the world, specializing in handling global mobility issues. These professionals work abroad in particular when it comes to outsourcing payroll or deducting taxes for our clients. Recourse to an independent network is the assurance of being able to call on a quality service provider.


Experienced professionals dedicated to each matter


We negotiate the best fees for our clients


Our experts commit to assist our clients and respect their deadline requirements


Considering our clients’ need, we work throughout the different steps of the files.

our team

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