Tax Services

M.S.S.C.I

Tax is complicated, that’s why we’re here to help. ​Get expert advice, fast.

Taxes

U.S.Persons(Green card holders,U.S.Citizens living outside the USA) with qualifying gross income are legally obligated to file U.S Federal,Gift&Estate Income Tax Return.

Non-Resident Aliens

Individuals living outside the U.S.A engaged in a U.S Trade or Business are required to file U.S.Tax Return

Foreign Persons

Non U.S. Corporations, Trust, Partnerships, LLC engaged in a U.S.Trade or Business are required to file U.S.Tax Return

Why MSSCI

At MSSCI, we dedicate our practice to demystifying and managing the intricate web of U.S. tax obligations for nonresident aliens, establishing optimized cross-border business structures, handling meticulous expatriate tax filings, and mitigating the complex financial implications of operating across multiple international jurisdictions. Our clients actively seek our counsel and retain our services because cross-border taxation is not just a secondary offering it is our primary focus. We are deeply committed to the intersection of international markets and United States tax laws.
MSSCI provides world-class financial services to individuals and businesses across more than 30 countries. Operating from the United States, our firm is uniquely structured to manage the complexities of international clients, offering dedicated cross-border expertise across all time zones and regulatory environments.
We adhere to the rigorous operational standards and strict disciplines historically expected of top-tier, multinational professional services organizations. This means every project we undertake is defined by meticulously detailed documentation, deeply methodical analysis, total transparency in all communications, and a commitment to exacting accuracy. However, where we distinguish ourselves from these larger institutional firms is our unwavering dedication to focused client service. While massive global entities often lack the bandwidth to prioritize highly specialized, niche challenges or deeply personal matters, delivering bespoke, highly individualized attention is precisely what defines our practice.
Bridging the distance between your home country and the United States has been our core mission for the past thirty years. At MSSCI, we understand that cross-border financial and tax interests require specialized guidance. We take pride in untangling complex U.S. regulatory frameworks so you can move forward with clarity. From helping individuals fulfill their first-time U.S. obligations to guiding foreign businesses through the nuances of market expansion, our team provides the reliable support you need to thrive.

Doing Business in the U.S. as a NON National? Here's What You Need to Know About Filing U.S. Taxes.

If you are a non-U.S. national earning income from U.S. sources or operating a business in the United States, you likely have a legal obligation to file a U.S. tax return. Whether you are a foreign individual, a business owner, or a partner in a U.S. entity, the IRS has clear rules that apply to you. We help non-U:S. nationals navigate these requirements accurately and on time.

Who Needs to File?

You may be required to file a U.S. tax return if you are a non-U.S. national who:

  • Earns income from U.S.-based clients, employers, or contracts
  • Owns or co-owns a U.S. LLC, partnership, S-corporation, or C-corporation
  • Receives rental income from U.S. real estate
  • Has U.S. investments generating dividends, interest, or capital gains
  • Is considered a U.S. tax resident under the Substantial Presence Test
  • Is a partner in a U.S. partnership or a shareholder in a U.S. S-corporation

Frequently Asked Questions

It depends on the nature and source of your income. The U.S. taxes non-residents on income that is "effectively connected" to a U.S. trade or business If any of your income originates in the United States, you likely have a filing obligation even if you live abroad.
Yes, in most cases. Even if the LLC has no profit, the filing obligation still exists, and penalties for non-filing can be significant.
Yes. The United States has tax treaties with more than 65 countries. These treaties can reduce or eliminate U.S. withholding taxes on some income. Treaty benefits must be claimed on your return; they are not applied automatically.
Under FIRPTA (Foreign Investment in Real Property Tax Act), when a foreign person sells U.S. real property, the buyer is required to withhold some fees of the gross sale price and remit it to the IRS. You must file a U.S. tax return to report the sale and may be able to recover some or all of the withheld amount depending on your actual gain and applicable deductions.
The standard filing deadline for nonresident aliens with U.S.-sourced income not subject to withholding is June 15. If all your U.S. income was subject to withholding at the source, the deadline is April 15. State deadlines may vary.

Living Abroad? You Still Need to File U.S. Taxes.

As a U.S. citizen or green card holder, the IRS requires you to report your worldwide income every year no matter where you live. We make the process simple, accurate, and stress-free from anywhere in the world.

What We Help You With

  • Federal tax return filing: Form 1040 prepared for U.S. citizens and green card holders living overseas.
  • Foreign income exclusion: We apply the Foreign Earned Income Exclusion (FEIE) to minimize what you owe.
  • Foreign tax credits: Offset your U.S. tax bill with taxes already paid to your country of residence.
  • Late & back filing: Not filed in years? We help you get caught up through the IRS Streamlined Program.
  • Treaty analysis: We review applicable U.S. tax treaties to make sure you're not paying more than required.

Frequently Asked Questions

Yes. The United States taxes its citizens and permanent residents (green card holders) on their worldwide income, regardless of where they live or where their income is earned. If your income meets the filing threshold, you are required to file a U.S. federal tax return every year.
Not necessarily. The U.S. offers two major protections against double taxation: the Foreign Earned Income Exclusion (FEIE), and the Foreign Tax Credit, which allows you to reduce your U.S. tax bill by the amount of tax already paid abroad. Most expats end up owing little or nothing.
Expats receive an automatic two-month extension, moving the standard April 15 deadline to June 15. Note that any taxes owed are still due by April 15 to avoid interest charges.
You may qualify for the IRS Streamlined Filing Compliance Procedures,a program designed specifically for expats who were unaware of their filing obligations. It allows you to catch up on up to three years of tax returns and six years of FBARs, often with reduced or no penalties. We can guide you through this process step by stsp.
Yes. citizens Green for tax card purposes holders (lawful permanent residents) are treated the same as U.S. regardless and are subject to U.S. tax on their worldwide income, relinquished of or where abandoned they live. This obligation continues until your green card is officially under IRS and immigration rules.

About Us

Who We Are

M.S.S.C.I. is a globally trusted, multi-industry firm with over 30 years of experience serving international individuals and businesses. Across more than 30 countries, we provide highly specialized solutions in U.S. and cross-border taxation and advisory.

OUR PURPOSE

We are the strategic link between you, your home country, and the United States guiding you seamlessly through cross-border tax, financial, and regulatory landscapes.

Vision

To be the premier partner for international clients connecting their business, tax, and financial interests to the U.S.combining boutique level focus with world-class expertise.

Mision

To simplify the complexities of U.S. tax, real estate, and regulatory frameworks into clear, actionable strategies. We approach every engagement with precision, absolute discretion, and unwavering accountability.

Trusted Advisors

Smart solutions for every need.

Every consultation is designed around your specific situation. Whether you are an individual planning a move, a business expanding into the U.S. market, or an investor positioning assets across jurisdictions, our role is to bring clarity, structure, and strategy to your decisions.

Our consultation services include:

  • Strategic Roadmap Design: We help individuals and businesses turn bold ideas into actionable, structured plans, integrating financial realities and regulatory requirements from day one.
  • Global & U.S. Compliance: From IRS obligations to complex cross-border laws, we identify your exact regulatory responsibilities and help you stay compliant without overexposing your assets.
  • Bespoke Consulting: Because every client is unique, every consultation begins with a deep dive into your specific objectives, jurisdiction, and real-world circumstances before we provide any advice.
  • Real Estate & Investment Integration: Through our combined advisory and real estate practice, we give clients direct access to U.S. investments with tax and structuring strategies already built-in.
  • Tax Dispute & Resolution: When dealing with complicated tax hurdles including pastdue filings, IRS notices, or disputes we partner with you to achieve a clear, lasting resolution.

Consultant Sessions

Initial Strategy Session

A 30 to 60-minute in-depth consultation to clarify your goals, establish desired outcomes, and develop actionable solutions.

$ 200

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Follow-Up Sessions

Additional sessions are evaluated and scheduled on a case by case basis.

$ 150/hr

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