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 International Accounting Firm

We specialize in accounting, audit, tax, and advisory services .

Because we are Expert Comptable and certified public accountants (CPA), we offer more to our clients than pure technical competence: we match our expertise with security and transparency, respecting professional duties precisely, the first pledge.

Exco US Atrium specializes in assisting the creation of companies and the development of French subsidiaries in the United States. The firm’s mission is acting as an interface between the parent company and its subsidiaries abroad.

The goal of EXCO, a member of the Kreston network, is to accompany you in the same way as France or the United States as well as 100 other countries.

With our unique correspondent you benefit from international service with the same range of accounts adapted in the fields of Accounting, Audit, and Legal Consultation.

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Our Expertise

Client and professional testimonials

We appreciate the trust of our clients

Je travaille avec Aline depuis 2012. Aline et son équipe sont toujours prêt à répondre à mes “petites questions”. Les clients à qui je propose de travailler avec Aline me remercie toujours .

Israel Sands Law, P.A., Israel Sands Law, P.A.

Un grand merci à Mr Darmouni Cyril pour son accompagnement auprès d’avocats d’immigrations. En effet, j’ai comme projet de m’installer à Miami. Je suis un jeune chef cuisiner qui souhaite s’installer au Etats-unis pour exercer sa profession de chef privé. Il m’a tout de suite diriger auprès d’avocats. Justement c’est en cours.
Rapidité, efficacité ,gentillesse !!!
Un GRAND MERCI Cyril !!!

Benjamin Kalifa, benjaminkalifa.com

Je travaille avec Aline Darmouni et son équipe depuis quelques mois et je tiens à souligner son professionnalisme et ses compétences techniques. De plus, j’apprécie particulièrement sa réactivité.

Stephan Boushira, Azur equities
Cela fait plus de 5 ans que je travaille avec Aline Darmouni et son équipe. Nous avons des clients en commun, généralement Francophones, qui ont fait et font appel a ses services dans le cadre de l’achat ou de la vente d’une maison, d’un appartement ou de la location d’un local commercial.
Aline sait les conseiller tant au niveaux des lois et pratiques fiscales qu’au niveau de la gestion de leur comptabilité et leur déclaration de revenus en Floride.
Elle possède aussi un réseau d’avocats spécialises permettant d’apporter des services supplémentaires tels que le droit immobilier ou le droit des successions.
Aline et son équipe sont toujours serviables et savent aussi rassurer les clients au cours de leur processus de vente, achat ou location dans un pays qui est souvent différent de leur pays d’origine.
Je n’hésite pas a communiquer les coordonnées de son cabinet a mes clients.
C’est pourquoi je recommande vivement les services de son cabinet a Miami.
Arielle Biscayart, FIP Realty

Je suis en collaboration avec Aline et ses équipes depuis plusieurs années, elle a toujours été très réactive et efficace aussi bien avec le suivi comptable de mes sociétés qu avec celles de mes clients. Sa technique et son savoir dans son domaine est remarquable.

Fabian Kosinski - ‎Co - Founder & CEO chez WATSON , WATSON AGENCY

Professionnalisme, réactivité et fiabilité, tels sont les mots qui caractérisent selon moi Aline Darmouni et toute son équipe, il y a toujours une “oreille” attentive pour nous aiguiller dans nos choix de tous les jours.

Laurent Laubry - CEO and Owner, LAUBRY

J’ai rencontré Aline lors d’une conférence inter-professionnelle sur l’optimisation de l’installation des expatriés français en Floride. Elle maîtrise son sujet avec dynamisme et connaît bien tous les rouages fiscaux à traverser. Par la suite, j’ai rencontré son équipe jeune et sympathique dans de beaux bureaux lumineux. C’est un plaisir de travailler avec une professionnelle de cette qualité.

Pauline Malaplate, Pauline Malaplate Notaire
Toujours un plaisir de travailler avec Atrium (devenu EXCO) et Aline en particulier. Nos clients sont également ravi de leur expérience avec Atrium car toujours disponible, réactif, et avec un conseil expert intéressant.
Michael Wiesenfeld, FREUD REALTY

Un des meilleurs si ce n’est le meilleur cabinet comptable de Miami, soucieux du client et de son développement, opérationnel et à l’écoute, en  4 ans, il ont su nous accompagner dans la difficulté comme dans la réussite. L’immigration est parfois lourde et un soutien permet de passer les moments de doute.  Merci pour tout Aline.

We’ve been working with Aline Darmouni and her team ever since we decided to create a second company in the US
Our relationships so far have been only guided by the most in depth analysis of our firm’s interest, and I can only appreciate such a focus as a client
Atrium CPA (Now EXCO US ATRIUM)’s team is really reliable and accurate, they also create relationships with our French CPA which is definitely precious
Sarah Hamon, S2H Communication

Aline Darmouni has been my CPA for a couple of years on both personal and professional sides and I really appreciate working with her and her team. Reliable, proactive and very important to me, knowledgeable in International and US tax systems. Her advices and support have made my end of the year closings and tax returns smooth and (almost) easy!

Sophie Jamet, Intergroupe

EXCO is a premier CPA firm focused on “attest” services providing excellent quality and value to our clients, while helping our people achieve their individual aspirations and goals.

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More than 20 years of experience in financial entrepreneurship and management in France, United States, and England.

Present in all of France and internationally, Exco: a member of Kreston network, is the 6th multidisciplinary network in France. Created in 2002, and chaired by Pierre Viellard, this network of audit, accounting, and consulting is based in 23 regional structures with over 2500 employees, including a 167 associates operating in 124 Exco offices. Thanks to its local operations, Exco supports its clients in the management of their businesses on the financial, legal, or social aspect in a regional and national dimension. As a member of Kreston International, a global network operating in 100 countries, Exco is also directly represented abroad in its locations in the United States, Poland, Portugal, Morocco, and other African countries.


Our team speaks French, English, and Spanish.

A team of multidisciplinary experts

Aline Darmouni
Aline DarmouniPartner - Certified Public Accountant - Expert Comptable
Aline Darmouni, founder and CEO of Exco US ATRIUM is Expert Comptable, Certified Public Accountant in the United States and Chartered Accountant in England.

Since 2010, Aline Darmouni has been advising French companies and investment funds in their strategies of implantation in the United States or their CEO in their decisions of management and investment.

Aline is a member of the French American Chamber of Commerce since 2011 and is also supporting FIPA by being the treasurer of the association since 2011.

Cyril Darmouni
Cyril DarmouniPartner - Business development
Trained as an Expert Comptable in France , Cyril is graduated with a Masters in Accounting and International Finance from the University of Westminster in London. After a first experience at Deloitte, Cyril quickly became an entrepreneur in England, France, and the United States.
He specializes in franchising and manages more than 80 employees and 125 stores in the world.
Cyril helps entrepreneurs within EXCO to succeed in their project in the US by advising them on setting up their business, strategy, and cash needs.
Jean Michel Caffin
Jean Michel CaffinPartner - Head of Due Diligence & Business Intelligence
Jean-Michel Caffin’s dual business culture stems initially from his international education: a graduate degree in Political Science and International Studies from the University of Toulouse, France, coupled with executive training at UCLA’s Anderson School of Management in the US where Jean-Michel specialized in business and marketing management . His core expertise lies in foreign trade, business intelligence and enterprise risk management. In the course of his his career, Jean-Michel Caffin has held numerous positions as a senior executive and CEO of multinational corporations in Europe, Africa, and in the Americas.

We are very pleased to be welcoming ATRIUM CPA to the United States. It aligns perfectly with the ideology of accompanying our clients in their international development efforts. This new Exco firm will work along side and complement the Kreston offices across the United States.

Franck Parker : Directeur Général d’Exco et membre du Board mondial de Kreston, EXCO France

Exco US Atrium is one of the leading players in Accounting, Audit, Due Diligence, and Consulting in the United States.

A unique interlocuter, with “tailor-made” ideology gives access to the most advanced skills, is the strength of our organization.

  •  A passionate team who are close to their clients
  • An approach based on adding value
  • Strong ethics : proximityengagement, humanism, and optimism

We are 360°

A point of access to solutions for all your projects!

To call upon Exco US Atrium is to have access to an ecosystem of internal and external skills adapted to the entrepreneurs’ needs for a 360° approach:

 
  • Accounting and Outsourcing
  • International tax service

  • Advisory

  • Due diligence

  • Audit

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MIAMI OFFICE

44 W Flagelr Street- Suite 2300
Miami FLorida 33130

+1 305 600 4405

CALIFORNIA OFFICE :

Los Angeles

5670 Wilshire Blvd, Suite 1869
Los AngelesCalifornia, 90036

+1 424 444 3911

CONTACT EXCO

We are is here to answer your questions.

Whether you are a company or an individual,the experts at EXCO US Atrium will provide you with customized advice tailored to your needs and your projects.


The active listening and thorough responsiveness of our team of experts allows us to guide in making the best choices for your financial and accounting management.

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