Which tax form should you collect from a foreign contractor?
A US person generally provides Form W-9. A foreign individual may provide Form W-8BEN to establish foreign status, while a foreign entity may use Form W-8BEN-E. The correct withholding and reporting treatment also depends on where the services are performed and whether a treaty or other rule applies.
- US person: generally Form W-9
- Foreign individual: Form W-8BEN may establish foreign status
- Foreign entity: Form W-8BEN-E may establish foreign status
- Services are generally sourced where the work is physically performed
- US-source services for a nonresident alien can trigger separate withholding and Form 1042-S rules
Updated August 2026 · 10 min read
A U.S. business hiring a contractor in another country usually has two separate tax questions:
- What is the contractor's U.S. tax status?
- Where are the services actually performed?
Those questions affect which tax documentation you collect and whether U.S. withholding or information reporting may apply.
A contractor's mailing address alone does not answer either question.
A U.S. citizen living in Spain can still be a U.S. person for tax purposes and generally provides Form W-9.
A non-U.S. individual working entirely from Spain may generally provide Form W-8BEN to establish foreign status, while the compensation for services performed outside the United States is generally foreign-source income.
A nonresident alien who physically comes to the United States to perform services can create a very different withholding and reporting result.
That is why "foreign contractor = W-8BEN = no withholding" is too simple.
The basic form decision
For many contractor-onboarding situations, the starting point looks like this:
| Payee status | Common documentation |
|---|---|
| U.S. person | Form W-9 |
| Foreign individual | Form W-8BEN may be used to establish foreign status |
| Foreign entity | Form W-8BEN-E may be used to establish foreign status |
| Nonresident alien claiming treaty exemption for personal services performed in the U.S. | Form 8233 may be required |
The exact form can depend on the payee's entity type, tax status, income type, and treaty position.
Do not choose the form solely from the country in the address field.
When does a contractor give you Form W-9?
Form W-9 is generally used by a U.S. person to provide their correct taxpayer name and taxpayer identification number to a payer.
A U.S. person can include:
- A U.S. citizen
- A U.S. resident alien
- Certain domestic entities
That means a U.S. citizen who lives and works abroad does not become a foreign person merely because their mailing address is outside the United States.
If the payee is a U.S. person, asking for a W-8BEN simply because they live abroad can put the wrong documentation into your file.
When does a foreign individual use Form W-8BEN?
Form W-8BEN is used by a foreign individual in several contexts to establish that the beneficial owner is not a U.S. person and, where applicable, claim certain treaty benefits.
For contractor operations, it can be useful documentation of foreign status.
But Form W-8BEN is not a blanket certificate that every payment to the person is exempt from U.S. withholding.
You still need to understand the source and type of income.
When does a foreign business use Form W-8BEN-E?
Form W-8BEN-E is generally the entity version used by certain foreign entities to establish foreign status and document chapter 3 or chapter 4 status.
It is much longer than Form W-8BEN because foreign entities can have more complicated classifications.
A foreign corporation, partnership, or other entity may require Form W-8BEN-E or another W-8 series form depending on the facts.
If you are paying a foreign company rather than an individual freelancer, do not simply ask the owner to complete an individual W-8BEN without confirming the correct payee and form.
The most important question after the form: where was the work performed?
For personal services, the IRS generally determines the source of the income based on where the services are physically performed.
That is a crucial rule for remote international contractors.
Example: foreign contractor working entirely outside the United States
Suppose a U.S. event company hires a non-U.S. graphic designer who performs all of the design work from France.
The payer is in the United States.
The invoice is denominated in U.S. dollars.
The payment may go from a U.S. bank account.
Those facts do not, by themselves, make the service income U.S.-source.
The IRS generally sources personal service income to the place where the work is performed.
If the services are performed entirely outside the United States, the compensation is generally foreign-source.
Example: foreign contractor performs the work in the United States
Now suppose the same foreign individual travels to New York and performs the contracted services there.
The source analysis changes.
The IRS says U.S.-source nonemployee compensation paid to a nonresident alien is generally reportable on Form 1042-S and generally subject to 30% withholding unless an exception or lower treaty rate applies.
For treaty claims involving compensation for personal services, Form 8233 may be required rather than relying only on Form W-8BEN.
That is a situation to review carefully with a qualified international tax professional.
Why the "30% rule" is often explained badly
You will often see a simplified statement:
"If you don't have a W-8BEN, you must withhold 30%."
That can be misleading when applied to every international contractor payment.
The 30% nonresident-alien withholding regime generally concerns specified U.S.-source income.
If a foreign contractor performs personal services entirely outside the United States, the compensation is generally foreign-source under the IRS sourcing rule.
The better workflow is:
- Establish whether the payee is a U.S. or foreign person.
- Determine where the services are performed.
- Determine whether the payment is U.S.-source or foreign-source.
- Determine what withholding and reporting regime applies.
- Collect the documentation appropriate to that treatment.
The form is evidence used in the analysis.
It is not the entire analysis.
What if the contractor works partly inside and partly outside the United States?
The IRS provides an allocation rule for personal service income performed partly in the United States and partly outside the United States.
In many cases, the compensation is allocated based on the number of service days performed in each location.
For a contractor who works remotely abroad for most of a project but travels into the United States for part of it, that can create both foreign-source and U.S.-source portions.
This is exactly the kind of situation that deserves a specific tax review instead of an automated assumption.
Do W-8BEN forms expire?
Generally, Form W-8BEN remains valid from the date it is signed through the last day of the third succeeding calendar year, unless a change in circumstances makes the information on the form incorrect.
For example, a form signed during 2026 will generally remain valid through December 31, 2029, absent a relevant change in circumstances.
There are exceptions in which documentation can remain valid longer.
From an operations perspective, your system should track:
- Date signed
- Payee status
- Form type
- Expiration or review date
- Changes in address or tax status
- Whether the contractor begins performing services in the United States
What if a foreign contractor becomes a U.S. tax resident?
Tax status can change.
A worker who was previously a nonresident alien may later become a U.S. resident alien for tax purposes.
If the existing W-8BEN is no longer correct, the contractor should provide updated documentation.
This is why contractor tax forms should not be treated as permanent static files.
Your onboarding system needs a process for changes in circumstances.
Should you issue Form 1099-NEC to a foreign contractor?
Do not assume every foreign contractor belongs in the same Form 1099-NEC workflow as a U.S. independent contractor.
Payments to foreign persons can be governed by different information-reporting and withholding rules, including the Form 1042-S regime for certain U.S.-source payments.
The correct result depends on the contractor's status, the source of the income, and the type of payment.
That is one reason it is useful to route U.S. and foreign contractor tax profiles differently during onboarding.
A practical onboarding workflow for international contractors
Step 1: identify the actual payee
Are you paying:
- A U.S. individual?
- A U.S. business?
- A foreign individual?
- A foreign corporation or other entity?
Do not assume the person you email is necessarily the legal payee.
Step 2: determine where the services will be performed
Ask:
- Entirely outside the United States?
- Entirely inside the United States?
- Partly inside and partly outside?
This can be as important as nationality.
Step 3: collect the appropriate documentation
Depending on the facts, that may include:
- Form W-9
- Form W-8BEN
- Form W-8BEN-E
- Form 8233
- Another W-8 series form
Step 4: flag U.S.-source services for review
If a foreign contractor performs services physically in the United States, do not automatically process the payment as an ordinary foreign-source contractor payment.
Review the withholding and reporting treatment.
Step 5: track form validity
Record when the documentation was signed and whether a change in circumstances requires an updated form.
Common mistakes
"They live abroad, so they need W-8BEN"
Not necessarily.
A U.S. person can live abroad and still generally provide Form W-9.
"They gave us W-8BEN, so there is never withholding"
Not necessarily.
The source and type of income matter. U.S.-source personal services performed by a nonresident alien can trigger withholding and Form 1042-S reporting.
"The payer is American, so the services are U.S.-source"
No.
For personal services, the IRS generally looks to where the services are physically performed.
"A foreign company uses the owner's W-8BEN"
Not necessarily.
A foreign entity may need Form W-8BEN-E or another W-8 series form based on its status.
"The W-8 is good forever"
Usually not.
Forms W-8BEN and W-8BEN-E generally have a validity period unless an exception applies, and a change in circumstances can require updated documentation earlier.
Frequently asked questions
Does a U.S. citizen living abroad use W-9 or W-8BEN?
A U.S. citizen is generally a U.S. person for federal tax purposes and typically provides Form W-9, even if living abroad.
Does every non-U.S. freelancer use W-8BEN?
Form W-8BEN is commonly used by foreign individuals to establish foreign status, but the correct documentation can depend on the income and circumstances. A foreign entity may use Form W-8BEN-E, and a nonresident alien claiming treaty exemption for personal services performed in the U.S. may need Form 8233.
Are services performed outside the United States U.S.-source because a U.S. company pays for them?
Generally no. The IRS generally sources personal service income based on where the services are performed.
What happens if a foreign contractor performs services in the United States?
U.S.-source nonemployee compensation paid to a nonresident alien can be subject to Form 1042-S reporting and 30% withholding unless an exception or treaty treatment applies.
How long is Form W-8BEN valid?
Generally from the signature date through the last day of the third succeeding calendar year, unless a change in circumstances makes the form incorrect. Some exceptions apply.
Do I send Form W-8BEN to the IRS?
The payee generally provides Form W-8BEN to the withholding agent or payer, not directly to the IRS.
Keep domestic and international contractor records separate where the tax rules differ
Kelvaro can organize contractor tax profiles, payment records, and year-to-date history while separating domestic and foreign documentation workflows.
The important part is not simply collecting a form.
It is connecting the right contractor status, work location, tax documentation, and payment record.
Read our guide to the cost of paying international contractors →
See how Kelvaro manages contractor records →
Official references
- IRS Instructions for Form W-8BEN
- IRS Instructions for Form W-8BEN-E
- IRS: Source of income — personal service income
- IRS: Federal withholding and reporting on U.S.-source income paid to nonresident aliens
- IRS Instructions for Form 8233
This article provides general educational information and is not international tax or legal advice.