MASSAT CONSULTING GROUP — EST. 1986

CONSULTING GROUP

TAX & ACCOUNTING ADVISORY FIRM — SINCE 1986

FROM LANDING IN THE U.S. TO SCALING ACROSS BORDERS

Since 1986, your bridge to the financial, tax and business landscape of North America — one firm, both shores.

KEY FIGURES

2,000+CLIENTS
40YEARS
3COUNTRIES
1VISION

RECOGNITION

Referenced by France’s export network.
Label EFE — Entreprise de Français à l'étranger

Label EFE

Recognizing French entrepreneurship abroad. Awarded to Massat Consulting Group on 27 March 2025.

About the label
Solutions Team France Export — États-Unis

Solutions Team France Export

Subsidiary administration and management in the United States for French SMEs and mid-sized companies referred through Team France Export.

View the listing Scope of reference

WHO WE ARE

ONE FIRM, BOTH SHORES.

« A COMPANY'S GENERAL PRACTITIONER » — HOW SERGE J. MASSAT DESCRIBES THE ROLE

  • Portrait of Serge J. Massat

    Serge J. MassatFounder & Managing Partner

  • Portrait of Andrew A. Massat

    Andrew A. MassatManaging Partner

  • Portrait of Alexandra Laborie

    Alexandra LaborieManaging Partner

  • Portrait of Clarisse Comte

    Clarisse ComtePartner

  • Portrait of Valentin Hoyer

    Valentin HoyerPartner

  • Portrait of Wendy Lecaillon

    Wendy LecaillonPartner

THE PARTNERS — ONE TEAM ACROSS NEW YORK · MIAMI · SAN FRANCISCO · MEXICO · PARIS

TAX & ACCOUNTING · ADVISORY · TECHNOLOGY & INNOVATION · TALENT & METHODS

WHAT WE DO

Four connected areas of expertise covering the full financial lifecycle of your North American operations — from incorporation to scale.

01

Tax & Accounting

Set up right the first time, stay audit-ready year-round

A well-run tax and accounting function safeguards cash, underpins strategic decisions, and keeps regulators satisfied — whether you are launching a start-up or steering a mature enterprise. We file accurately, surface every legitimate credit and deduction, and keep your records audit-proof.

  • Financial Reporting
  • Corporate Tax Filing
  • Sales Tax Compliance
  • Payroll Delivery
  • Treasury Governance
  • Incorporation & State Registration
  • Banking & Domiciliation
  • General Accounting
02

Advisory

High-stakes decisions, seasoned guidance

High-stakes decisions call for more than standard checklists — they demand seasoned insight, discreet execution, and advice tailored to the nuances of your deal, jurisdiction, and growth horizon. Our Advisory practice acts as a concierge partner from the first model through the final signature.

  • Due Diligence
  • Company Valuation
  • Transfer Pricing
  • Strategic Tax Planning
  • Transaction Advisory
  • Fractional CFO
03

Technology & Innovation

Automate the routine, see everything in real time

Digital tools are no longer bolt-ons to the finance function — they are the rails on which speed, security, and insight travel. We pair decades of accounting depth with a modern tech stack to automate routine work, connect fragmented data, and give leadership real-time visibility.

  • Sales Tax Automation
  • Cloud Accounting Platforms
  • Digital CFO & Controller
  • Business Intelligence
  • Process Automation
  • System Integration
04

Talent & Methods

Turn your finance function into a self-running engine

Strong accounting workflows power growth, protect compliance, and keep surprises off the dashboard. We map how data, duties and approvals move from first transaction to final report, then work beside your finance leaders to turn recommendations into repeatable habits.

  • Workflow Analysis
  • Best-Practice Training
  • Talent Development
  • Candidate Vetting
  • Talent Recruitment
  • Onboarding

From landing to scaling, we support your entire finance function at every stage.

IN HIS WORDS

Just like there are Boutique Hotels today, we are the 'Boutique Accounting Firm' offering tailored solutions internationally.

SERGE J. MASSAT, FOUNDER — 1995

05 HOW WE WORK

Expertise,
in practice.

We connect your headquarters and local operations, with a coordinated team across French, U.S. and Mexican systems.

Charcoal and pale stone archways connected by a white line-art bridge

Your lead partner brings in the right specialists for each question, while keeping sight of your business as a whole.

A jacket on a mannequin emerges from darkness, with gold line-art hands adjusting its lapel

We work directly with your team on the details: resolving questions, following through and keeping responsibilities clear.

Royal-blue hand contours shape a clay vessel centered on a potter's wheel

We establish the foundations at entry, then adapt your reporting, systems and finance support as your operations grow.

Sandstone steps rise towards a lit landing, guided by a teal handrail and teal step contours
« WE OFFER TAILORED INTERNATIONALITY. » — SERGE J. MASSAT, 1990

OUR MISSION

WE ARE YOUR BRIDGE.

Since 1986, we have guided international companies into North America.

A vital link between parent company and U.S. operations.

Structure, establish, grow — tailored to your needs.

« We offer tailored internationality. » Serge J. Massat, 1990

AFFILIATIONS & NETWORKS

French-American Chamber of Commerce — New York · San Francisco · Miami Conseillers du Commerce Extérieur de la France CCI France México oui global French Founders EuropeFides

Our partners contribute to the French-American business community through thought leadership, mentorship, and board service.

AS QUOTED INLE FIGARO · LA TRIBUNE DESFOSSÉS · LE MOCI · CCE INTERNATIONAL

Team France Export — scope of reference

MCG Massat Consulting Group Miami LLC est Solution de la Team France Export vis-à-vis des PME et ETI françaises s’adressant au dispositif public de l’export, Team France Export (membres fondateurs : CCI France, Business France, Bpifrance et l’association Régions de France), pour réaliser des prestations d’ancrage commercial aux États-Unis sur les typologies d’activité suivantes : administration et gestion de filiale.