Expert U.S. international tax – simplified and personalized
Tailored tax solutions for businesses and individuals navigating U.S. international tax laws. Get expert guidance, reduce your tax exposure and stay compliant – without the hassle of a big firm.
Struggling with complex U.S. tax laws?
Need help with transfer pricing & IRS resolutions?
Tired of firms where you’re just another client?
Uncertain about compliance risks?
Get expert advice with direct access to a dedicated international tax specialist.
Expert guidance on U.S. tax laws to minimize risks and maximize savings
Services
International tax advisory
Expert guidance on U.S. tax laws to minimize risks and maximize savings.
IRS resolutions
Personalized support to resolve tax disputes, audits and compliance issues.
Transfer pricing
Strategic pricing solutions to ensure compliance and optimize tax efficiency.
CFO - Starter (Stay compliant)
Monthly bookkeeping, payroll and filings to keep your business penalty-free and stress-free.
CFO - Growth (CFO partner)
Financial dashboards, tax strategy and compliance so you can scale confidently across borders.
Special projects
International business restructuring
We help you optimize or expand your international business setup to meet legal, tax, and operational goals across borders.
Strategic business realignment
We guide you in refining your services, clarifying your audience, and improving internal systems to support smart, sustainable growth.
Investor readiness & planning
We help you prepare for investors by defining your ideal partner, ensuring compliance, and building a compelling, credible business plan.
Michelle Vivaldi
Work directly with an expert
Unlike large firms where you’re passed between multiple advisors, I offer a one-on-one approach, ensuring you get personalized attention and clear communication at every step. No middlemen. No confusion. Just expert tax solutions tailored to your situation.
Testimonials
What my clients say
“Straightforward, competent and pragmatic. Would recommend to anyone. Michelle supports me in my US tax filings as a US–Swiss dual citizen. She is fast, diligent and forthcoming. Would recommend her services to anyone.”
Sam
“Great service, nice to talk to and very helpful. I enjoyed getting help from Michelle and will aim to utilize her coming year as well.”
Ludvig Billström
“Timely and Precise Guidance for Tax Prep! I met Michelle through my financial analyst and she was able to do my tax prep for both the US and Puerto Rico, all while giving me timely and expert advice. Would definitely recommend!”
Vanessa
“Excellent and professional. Working with Vivaldi Tax (Michelle) gave us a flawless experience. Very responsive and professional. Always willing to help and on point with the advisory requested and the process. Will highly recommend her and her team.”
JB Wealth Financial
“La mejor partner que podemos tener!
Michelle se ha convertido una pieza clave para nuestras operaciones. Es una profesional que entiende la necesidad del negocio y siempre está disponible para nuestras consultas. Nos ha ofrecido un acompañamiento y asesoramiento impecable que nos ha permitido mitigar riesgos y nos transmite la confianza que estamos en buenas manos. Totalmente recomendada!”
Luis R.
“Exceptional Service from Start to Finish!
We’ve collaborated with Michelle on various projects across our businesses, and she consistently delivers timely, exceptional service. Her deep expertise and professionalism have made her an invaluable asset to our team. We trust her with all our outsourced CFO needs, no matter how complex, and look forward to working with her for many years to come.”
Brian
“One of the best professionals I have met in 20 years!
Michelle is simply the best! Very knowledgeable and commited. I hope to work with you for MANY years!!!!”
Simone
“Very Good Experience!
Michelle really knows her stuff and did a great job helping me file my taxes and I will keep using here services! I highly recommend her!”
Matt
Highly Professional and always friendly service
“I’ve worked with Michelle on many different projects. It’s been helpful having someone in a similar time zone for quicker coordination, and we appreciate her availability when needed. She’s very friendly to work with and always communicates professionally.”
Free tips
Blog posts
E-Commerce Services: Navigating U.S. Sales Tax Like a Pro
For e-commerce sellers, this creates multiple compliance challenges:
•Tracking customer locations and sales volume
•Monitoring economic nexus thresholds in every state
•Registering for sales tax permits in multiple states
•Filing returns on different schedules and formats
Subject: Time to Get Ready for Tax Season!
Hi, Tax season is here—let’s make it simple! At Vivaldi Tax, I’m here to help you prepare, stay compliant, and reduce stress. Here’s how we can get started: Schedule a Call: Let’s review your tax situation and any updates from this year. Organize Your Docs: Gather...
Meet Michelle Vivaldi: Simplifying International Tax One Step at a Time
👩 About MeHi, I’m Michelle Vivaldi, the founder of Vivaldi Tax. I’m a CPA and JD with over six years of experience specializing in U.S. international tax. My mission is simple: Make your life easier by helping you understand and manage your tax obligations. ✨ Core...
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Avoid costly mistakes and missed opportunities.
Get clear, expert tax solutions tailored to your needs.
Vivaldi Tax
Why clients trust me
Direct communication with an expert
6+ years of specialized international tax experience
Proven results in tax reduction and compliance
Certified & recognized tax professional
100+ satisfied customers
