Israeli companies expanding into the U.S. often encounter complex tax, reporting, and regulatory requirements. Even limited activity-such as having U.S. customers, employees, or a subsidiary-can trigger obligations with the Internal Revenue Service (IRS) and other authorities, making professional U.S. CPA involvement essential.

ERB Proximo is a leading U.S.-Israel tax and legal advisory firm. Our team holds dual U.S./Israel licenses and deep expertise in U.S. cross-border accounting, making us ideally suited to guide Israeli companies through U.S. compliance and CPA requirements.

U.S. Tax & Reporting Triggers for Israeli Companies

1. Trade or Business in the U.S. (Permanent Establishment): An Israeli company that maintains an office, or branch, or has employees, or has an “independent” distributor in the U.S. will be deemed as having a U.S. trade or business purpose (i.e., have a permanent establishment under the United States – Israel treaty). In this case, the Israeli company will have to file for Form 1120-F for the tax year in question regardless of the amount of net income (i.e., net income could be zero) or whether any taxes withholding on the U.S.-sourced income is exempt from taxation due to a treaty. This includes any Israeli company that has any U.S. source effectively connected income (ECI). However, if there is no U.S. trade or business and all taxes have been withheld from U.S. sources, Form 1120-F would not be required.
2. If an Israeli-owned U.S.: company/LLC has one or more foreign investors who own ≥ 25% of the stock, the U.S. entity is required to file federal tax returns. A U.S. corporation (whether it is an S corporation or C corporation) files a federal corporate tax return (Form 1120 or 1120-S) and files Form 5472 to report transactions between the corporation and its foreign owners. A U.S. LLC that is entirely owned by foreign persons is treated as a disregarded entity (DE). Therefore, it must file a pro forma Form 1120 and attach Form 5472. 73.   U.S. Partnership (General, Limited Liability, or Limited) – Both General Partnership and Limited Partnership require filing a federal tax return. However, in either case, if a U.S. partnership has one or more foreign partners and at least 25% of the total interest in the partnership, it must also file Form 5472.
3. Offsetting Passive Income from U.S. Sources: Passive Income generated by Israeli companies (U.S.) in the form of wads, Interest, royalties &/or other FDAP (Fixed Dependent Entity) is generally subject to 30% U.S. Federal Withholding Taxes unless otherwise applicable reduced by the U.S. Income Tax Treaty. The default U.S./Israel double tax treaty withholding rates are: 25% per dividend; Interest rate 17.5%; Royalty rates 10-15%. The actual payor of U.S. source passive income must withhold and report on Form 1042/1042-S. To continue claiming the benefit of the double tax treaty, the Israeli company must file Form 8833 (treaty disclosure form) with its 1120-F (even if no tax is owed).
4. In the case of U.S.: Based partnerships (LLCs) that report income using Form 1065 after an Israeli corporation has made an investment, the U.S. partnership will then need to grant the Israeli partner a Schedule K-1 as well as hold back any amounts owed to the partner based on their share of any ECI. Upon sending a copy of the partnership’s K-1 to the Israeli partner, the U.S. partnership must withhold any payments to the partner in connection with the earned ECI at the time the amounts are due. (Under current IRS procedures, it is almost always necessary for the withholding to be handled through a U.S. CPA or agent.)
5. Payroll Taxes and Employees/Hire: If the U.S. receives the employee or contractor from another country, all the above will trigger payroll tax filings in the U.S. A foreign employer (for example, an employer in Israel) who employs a worker in the United States has an obligation to obtain a United States employer identification number and withhold U.S. income and social security taxes from that employee’s wages. Quarterly form 941 (along with a quarterly form 940 for unemployment) will be due each quarter, and year-end form W2’s must be sent to employees by January 31 each year. Wages paid by a foreign employer to any employee located within the United States at the time of payment will usually be subject to U.S. employment taxes unless it is exempt from taxation due to a totalization treaty.

Key U.S. Forms, Deadlines and Penalties

1. US Filings And Environmental Thresholds include: The principal U.S. filings include Form 1120-F (tax return of a foreign corporation), Form 5472 (information return of a corporation engaged in a trade or business within the United States that has 25% or more foreign ownership), Forms 941/940, and W2 (payroll), Forms 1065/8804/8805 (U.S. partnerships), and Forms 1042/1042-S (withholdings on payments to foreign persons).  Also apply to Israeli businesses who are registered in the U.S. and complete Forms 5471/8858/8865 (filings of a U.S. citizen for a foreign subsidiary or partnership) if there is any type of U.S. ownership in those entities.  FATCA Form 8938 and FinCEN 114 (FBAR) to generally apply to U.S. persons. Many U.S. information returns (e.g. Form 1099; Form 1042-S) will typically be due on March 31 or January 31 of the succeeding year.
2. Deadlines Calendar-year filers: The deadline to file Form 1120-F is April 15 (you will get an automatic extension to file until October 15 if you file Form 7004). Form 5472 is submitted with the same return as Form 1120-F. Form 941 is due quarterly (last day of the following month after the quarter ends) and W-2/1099 are due by January 31. Form 1065 (partnerships) are due by March 15. The due date for FinCEN 114 (FBAR) is June 30 (there is no extension). State tax returns (if applicable) must comply with the state’s rules. Missing or late tax returnsWhat are the tax benefits for startups in Israel? may result in significant penalties.
3. Penalties: A $25,000 penalty will be imposed for failure to file Form 5472, along with an additional $25,000 penalty for each 30-day period in which related-party information has not been filed. A corporation that files Form 1120-F will be treated as having failed to file its corporate income tax return, which carries late filing penalties (5% of tax due per month for a maximum of 25% of tax due -or $525 minimum) plus interest. If you are an employer, you may also be subject to penalties and interest if you do not properly withhold payroll taxes or file payroll tax returns. Under the U.S.-Israel Income Tax Treaty, failure to file required income tax returns (including protective Form 1120-Fs) could result in loss of treaty benefits.

Practical Steps and Common Pitfalls

1. Early Planning & Coordination: When entering U.S. markets (sales, operations, financing), plan with both Israeli and U.S. advisors. Obtain a U.S. EIN and any required state registrations before activities begin. Early assessment of “permanent establishment” under U.S. law and treaty helps avoid surprises.
2. Engage a U.S. CPA/Tax Advisor: U.S. filings are complex and have strict rules. A U.S. CPA can prepare or review all required returns (1120-F, 5472, payroll forms, etc.) and coordinate with Israeli tax counsel to avoid double taxation. Even if the tax due is nil, filing a “protective” return may preserve treaty benefits (otherwise credits for U.S. tax losses/deductions can be lost).
3. Documentation: Maintain detailed records of all U.S. transactions. Related-party dealings must be at arm’s length (documented as required by Sections 482 (U.S.) and Israel’s OECD-based rules). Transfer pricing documentation for cross-border charges is advisable. Keep contracts, invoices, and payroll records on hand in case of audits.
4. Compliance Calendar: Track U.S. deadlines (federal and relevant states). Missing a Form 5472 or 1120-F deadline can trigger automated penalties. Use Form 7004 to get extensions but remember required pro forma filings (e.g. extension for a foreign-owned DE’s 5472).
5. Withholding Obligations: On payments into or out of Israel (dividends, interest, royalties), apply the U.S.–Israel treaty rates and withhold appropriately. For payments from Israeli entities to U.S. persons, Israeli law may require withholding and reporting under FATCA. Failure to withhold (or to file 1042-S) can be costly.
6. Common Pitfalls: Avoid assuming “no filing if no U.S. tax.” Even a zero-income year often requires a return to claim treaty exemptions. Do not ignore state taxes – physical presence (warehouse, sales reps) can create state income or sales tax nexus. Failing to file information returns (even for “nil” transactions) can incur fees.

Frequently Asked Questions

 When does an Israeli company owe U.S. taxes?
Generally only when it has a U.S. trade or business or U.S. source income not fully covered by withholding. If the Israeli company merely ships products to the U.S. from Israel with no office or agent there, it may avoid U.S. corporate tax (no 1120-F needed). However, significant U.S. sales channels or U.S. employees usually create U.S. tax obligations.

 What is Form 5472 and who files it?
Form 5472 is an information return for any U.S. corporation that is ≥25% foreign-owned and has certain transactions with related parties. It is filed as an attachment to the U.S. corporate tax return (1120 or pro forma 1120). For a 100%-Israeli-owned U.S. LLC, the LLC (DE) must file a pro forma 1120 with Form 5472.

How do withholding taxes and treaties work?
U.S. tax law generally imposes 30% withholding on payments to foreign companies (dividends, royalties, interest). The U.S.–Israel tax treaty often reduces these to 25%, 15–17.5%, or 0% in some cases. The payor must withhold at least the treaty rate and report on IRS Form 1042-S. The Israeli company can then claim any excess withholding as a refund via Form 1120-F, often needing to attach Form 8833 for treaty positions.

 Do Israeli companies have to use U.S. GAAP?
No. Foreign private issuers (including Israeli firms) may file financials under IFRS (as issued by IASB) without reconciling to U.S. GAAP. However, they must still disclose U.S. tax positions and meet SEC presentation requirements.

 What are penalties for missing filings?
Very steep. For example, failing to file Form 5472 on time incurs a flat $25,000 penalty (with additional $25,000 penalties for each 30-day delinquency per related party). Late 1120-F returns incur a 5% per month penalty on any unpaid tax (up to 25%). Payroll and information return penalties (Forms 941, W-2, 1042-S, etc.) can also be significant, so timely compliance is critical.