Transatlantic Coordination
Your data and decisions aligned in real-time.
The Transatlantic Scale-up Accelerator
Your partnership for international expansion
We empower scale-ups to expand across France and the US by integrating legal structuring, tax optimization, and financial oversight. We keep your growth fast and frictionless.
A global alliance
One partnership, two shores — Paris to New York.
Track record since 2014
$250M+
raised by clients we structured for transatlantic growth — across more than 120 scale-ups.
Trusted by scale-ups crossing the Atlantic
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Alliance
Why choose this France & US alliance?
Partnering with Orbiss and Impulsa means leveraging a decade of proven collaboration. Our integrated teams provide specialized expertise for both French and US jurisdictions, ensuring a frictionless process through unified communication and continuous coordination.
Dual-Market Expertise
Mastery of US GAAP, IFRS, and French standards without intermediaries.
Integrated Ecosystem
Seamless synchronization with your existing finance tools and ERPs.
Consolidated Oversight
Unified reporting, clear insights, and accelerated decision-making.
Services
Operational support across both markets.
In the United States
Scaling your US footprint.
- US Entity Setup & Strategic Structuring
- Tax Optimization & Compliance (US GAAP, Sales Tax, Local Regulatory Requirements)
- Integration of Accounting Systems Compatible with your Tech Stack
- Consolidated France & USA Financial Reporting
- Local HR Advisory (Payroll, Employee Benefits)
In France
Scaling your French footprint.
- French Subsidiary Setup & Compliance with US Parent Obligations
- Management of Statutory Tax & Social Security Filings
- Accounting Compliance with French Statutory Standards (French GAAP)
- Integrated HR Solutions (Onboarding, Payroll, Social Management)
- Strategic Advisory for your European Expansion
Approach
How we transform your expansion.
Scroll to walk through each phase — each step holds the screen so you have time to read.
- 01Strategic bridge
- 02Rapid expansion
- 03Unmatched agility
01
A strategic bridge for your investors
Clear structuring and reliable figures that support fundraising rounds and international audits — without the back-and-forth.
- 01At what activity threshold must a French subsidiary appoint a statutory auditor?Learn more →
- 02When does hiring in France trigger a corporate tax bill?Learn more →
- 03How do you repatriate cash from a US subsidiary?Learn more →
- 04How can you integrate French teams in the US scale-up culture?Learn more →