Exco US specializes in helping to set up businesses and develop French subsidiaries in the USA. The firm’s mission: to play the role of interface between parent companies and their subsidiaries abroad.

“The art of being successful is knowing how to surround yourself with the best.”


Exco, business fertilizers

Tailor-made international support.

Because we are “experts-comptables” and certified public accountants (CPA), we offer more to our clients than pure technical competence: we combine our expertise with security and transparency in which respect for professional duties is precisely , the first pledge.

A single point of access to all the solutions for your projects!

Calling on Exco US means having access to an ecosystem of internal and external skills adapted to the needs of entrepreneurs for a 360 ° approach:

  • Outsourcing of the accounting and social function
  • International tax advice
  • Strategic support
  • Due diligence and business buyout
  • Audit


Exco US is one of the major players in Chartered Accountancy, Audit, Taxation and Consulting in the USA.

Exco US is one of the leading accounting and consulting firms. Our expertise, combined with the experience and dynamism of our team, allows us to provide each client with special attention and tailor-made services.

The reputation of our firm is a reflection of the high standards that we set ourselves. It is because we want to contribute to your success that we design personalized services perfectly suited to your needs and requirements. Our pride is born from your satisfaction.

EXCO US chartered accountant – CPA in the USA and around the world aims to help improve the performance of your business, support you in the development of your projects and work on the quality of your financial information.

A single point of contact, “tailor-made” services, access to the most advanced skills, such is the strength of our organization.

A passionate team, curious and close to its customers
An approach that creates values
Strong values: proximity, commitment, humanism and optimism




“It’s never too late to become what you could have been.”


The strength of EXCO, a member of the Kreston network, is to support you in the same way in France or the United States (Miami – San Diego – Los Angeles – New York) as well as in 100 other countries.

With a single point of contact, you benefit from an international service as well as the same ranges of services adapted in the fields of chartered accountancy, Audit, and Legal advice.

Present throughout France and internationally, Exco is the 6th multidisciplinary network in France and a member of the KRESTON network.

Created in 2002 and chaired by Bruno Geeraert, this Audit, Chartered Accountant and Consulting network is based on 23 regional structures bringing together more than 2,500 employees, including 170 partners working in the 140 Exco offices.

With its local establishments, Exco supports its clients in the management of their business on their financial, legal or social issues in a regional and national dimension. A member of Kreston International, a global network present in 100 countries, Exco is also represented directly abroad through its offices in the USA, Poland, Portugal, as well as in Africa.

More than 20 years of experience serving entrepreneurs and financial managers in France, the United States and England.

Exco in the press
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Employees in the USA
Satisfied customers in 2020
Activity area
Firm around the world




“Great people! Great job! We love them. Aline, Cyril and the entire Exco team really care about their clients and help them achieve their dreams. We highly recommend them. ”

BERNARD BECKER, Associate, Les Macarons Duverger
Sarah Hamon

“I have worked with Aline Darmouni and her team since we arrived in the US and they have always been excellent advisers. Always perfectly organized and available to answer any of our questions, as an entrepreneur I really appreciate their insight into the Florida market. ””

SARAH HAMON, Editor, S2H Communication

“I met Aline at an inter-professional conference on optimizing the settlement of French expatriates in Florida. She masters her subject with dynamism and knows all the tax cogs to be crossed. Subsequently, I met his young and friendly team in beautiful, bright offices. It’s a pleasure to work with such a professional. ”


“A big thank you to Mr Darmouni Cyril for his support with immigration lawyers. Indeed, my plan is to move to Miami. I am a young chef who wishes to settle in the United States to practice his profession as a private chef. He immediately referred me to lawyers. Precisely it is in progress. Speed, efficiency, kindness !!! A BIG THANKS Cyril !!! ”


“I have been working with Aline since 2012. Aline and her team are always ready to answer my“ little questions ”. The clients to whom I propose to work with Aline always thank me. ”

Sophie Jamet

“I have worked with Aline for several years, both personally and professionally, and have always enjoyed working with her and her teams. His advice and support allow me to make tax closings and declarations smoothly and (almost) easily! ”

SOPHIE JAMET, Intergroup

“Professionalism, responsiveness and reliability, these are the words that in my opinion characterize Aline Darmouni and her entire team, there is always an attentive” ear “to guide us in our everyday choices.”


“I have been working with Aline Darmouni and her team for a few months and I would like to underline her professionalism and technical skills. In addition, I particularly appreciate its responsiveness. “

STEPHAN BOUSHIRA, General Manager, Azur Equities

Contact us

Click below to contact the Exco US team