Get your US-Nordic taxes done right
Whether you're filing in the US for the first time or preparing to move home to the Nordics, we handle the filings, planning, and reporting personally, so you can focus on your life and business in both countries.
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Photo by M.E. Mousa

US–Nordic Tax Support, Built Around You

We listen, customize, file, and support.
When your income, assets, or operations span the US and the Nordics, taxes become less about forms, and more about avoiding costly mistakes and staying ahead of changing obligations.

We help both individuals and businesses manage the full picture: filings, planning, and the international reporting that often gets overlooked. The result is fewer surprises, lower risk, and a clearer path forward, whether you’re relocating, investing, or expanding into the US.

“Our first priority is to understand your needs. From there we develop the customized service package just right for you.”
Ann-Christine Westerlund, President of Westmusa
Ann-Christine Westerlund, Founder & President

"As an individual tax advisory customer for already 10 years, I can highly recommend the services of Westmusa in international tax matters"

Maarit Bystedt, Director, Corporate Communications, Nasdaq Helsinki

How We Help You Stay Compliant

Taxes in two countries usually show up as uncertainty: Which country taxes what? What needs to be reported? What happens when you move, hire, or sell into a new state? 

We turn that uncertainty into a clear plan and accurate filings, combining specialized Nordic–US expertise with practical, step-by-step support tailored to your situation.

Personalized Tax Services For Individuals

  • US Tax Returns (federal + state)
  • Treaty-Based Planning to reduce double taxation
  • Relocation Guidance for moves to/from the US
  • FBAR & FATCA Reporting for foreign accounts/assets
Viktor and Anki from the Westmusa tax and accounting company working together.
The Westmusa tax and accounting team working outside and looking at a laptop.

Tailor-made tax services for businesses

  • U.S. Entity Setup & Tax Registrations
  • Corporate Returns & Multi-State Compliance
  • Extensions & Filing Management
  • Payroll & Payroll Tax Support
  • Sales Tax & Nexus Advisory + Filings

We commonly work with:

Nordic companies entering the US market

Nordic individuals relocating to or living in the US

US expats living in the Nordics

Other expats (Canada, UK, etc.) living in the U.S.

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Artistic photos: ©Mousa Photography