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U.S. Expansion Partner

Your U.S. Operations, Simplified.

Tax, accounting, and advisory for international businesses expanding into the United States.
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400+
International clients
5
U.S. offices
$2+ billion
Raised by clients
Orbiss team member smiling while addressing the room
Two Orbiss colleagues smiling while working together on a laptop
Orbiss team member explaining a point during a working session
Orbiss team member in a tweed blazer speaking during a team workshop

Your Path to U.S. Operations, Simplified

Four clear steps from strategy to scale - we guide you through every one.
  1. Assess & Plan

    We evaluate your business goals, corporate structure, and target markets to design a tailored U.S. entry strategy

  2. Establish & Register

    We handle entity formation, EIN applications, state registrations, and banking — so you're legally ready to operate

  3. Operate & Scale

    Ongoing tax filing, bookkeeping, payroll processing, and multi-state compliance so you can focus on growth.

  4. Optimize & Grow

    Strategic advisory to minimize your tax burden, restructure for efficiency, and maximize U.S. opportunity.

Built for Businesses from Everywhere

Connecting international companies to U.S. opportunity, from offices across four states.
South America Morocco France United Kingdom Europe Middle East Asia Australia New York Boston Miami Austin

Success Stories Around the World

“What we appreciate about Orbiss is how engaged they are. They’re quick to respond, proactive when something needs attention, and consistently dependable month to month.”
Formance
“Orbiss brings a level of rigor that’s hard to find. The team is highly knowledgeable, clear in their guidance, and consistently delivers clean, reliable work. We trust them to handle complex topics practically and reliably.”
DataDome
“An external audit last year reinforced what we already felt internally: our U.S. finance and compliance setup is in great shape. Orbiss helped design that foundation early, and it’s paid off in day-to-day clarity and operational stability.”
Routin
“Orbiss helped us stay investor-ready with timely financials, fast responses, and custom reporting. Their support during diligence was organized, flexible, and kept the process on track throughout.”
Lucien Pagès
“We hired Orbiss to audit our tax filings after finding several errors. Because of their great work, we’ve partnered with them for our new startup to get things right from the start. Orbiss is very responsive, we have complete confidence in their team.”
Blaxel
“The Orbiss team’s expertise helped us save time and money. They’re always professional and ready to help in a heartbeat.”
EPSA USA

Ready to Expand to the U.S.?

Let's build your U.S. journey together.