About Us
The right process. The right partner.
At Beyond Borders Tax & Advisory, we combine a proven process with personalized guidance to simplify U.S. income tax compliance for international businesses. Led by Peter N. Riefstahl, CPA, we help clients navigate complex filings, multi-state issues, and strategic tax planning with clarity and precision. We go Beyond Borders to deliver confidence, not just compliance.
Why Choose Us
Integrity & Accuracy
We work tirelessly to ensure you don’t pay a penny more than you owe—no more, no less. Every number matters, and we make sure yours are correct and compliant.Responsibility & Service
We shoulder the burden so you don’t have to—saving you time, frustration, and the headaches that often come with tax prep.Diligence & Expertise
The tax landscape changes constantly. We stay on top of it so you don’t have to, thoroughly analyzing all relevant options before we e-file your return.
To provide individuals and small business owners with clarity, confidence, and peace of mind in all things tax—through honest, diligent, and personalized service that puts your needs first.
To take the stress and confusion out of tax season by delivering meticulous, ethical, and proactive tax preparation—so you can focus on what matters most, knowing your returns are in expert hands.
Peter N. Riefstahl, CPA
I’m here to make tax season less stressful, more transparent, and fully focused on your best interests. I work hard to ensure you never pay more than you owe, handle the details so you don’t have to, and stay up to date with ever-changing tax laws. I don’t make vague promises—I ask the right questions, take a thorough approach, and make sure no opportunity is missed. If you’re looking for someone who genuinely enjoys tax prep and truly cares about your financial well-being, let’s connect.
What You Can Expect:
- Strategic, personalized tax preparation (no cookie-cutter solutions)
- Clear, honest communication—no jargon, no surprises
- A proactive approach to reduce risk and maximize accuracy
- A dedicated partner who treats your finances like their own
What We Do Best
Expert tax services designed to simplify, support, and strengthen your financial life.
With deep industry knowledge and a personalized approach, we offer practical, reliable solutions in the areas that matter most—so you can move forward with clarity and confidence.
Confidence in U.S. tax compliance, because hope isn't a tax strategy
We’ll build a cross-border compliance plan, file in every required state, and handle each step the right way so you can move forward with confidence