Skip to main content
itin.net
Visual cover for EIN guidance for mobile app developers based in Iceland
EIN15 min read

EIN Tips for mobile app developers from Iceland

Mobile app developers in Iceland need an EIN for U.S. tax compliance with Apple/Google. Learn the requirements, application process, and common pitfalls.

Reviewed by , ITIN Specialist at itin.net.

U.S. Tax Forms for Iceland-Based Mobile App Developers

Apple and Google, the primary platforms for distributing mobile applications, require U.S. tax information from developers worldwide. This is to comply with U.S. tax law regarding income earned by foreign individuals and entities from U.S. sources. For mobile app developers based in Iceland, this typically means completing IRS Form W-8BEN (for individuals) or W-8BEN-E (for entities) to claim treaty benefits and potentially reduce U.S. withholding tax on royalties. However, the situation changes if you form a U.S. business entity, such as a U.S. LLC, to manage your app business. In that scenario, the U.S. entity itself needs a U.S. federal tax identification number: an Employer Identification Number (EIN).

This requirement is a direct consequence of operating through a U.S. legal structure. Even if you are not physically present in the U.S., forming a U.S. LLC to structure your app development business triggers IRS obligations. The EIN is crucial for opening a U.S. bank account, which is often a prerequisite for setting up a U.S. LLC and receiving payments from app stores. Without an EIN, you cannot properly establish your U.S. business entity with the IRS, which can lead to complications with both the app stores and your U.S. banking. This is the primary reason mobile app developers in Iceland often need an EIN, even if their operations are entirely remote.

When You Need an EIN for Your App Business

An EIN is mandatory for your app development business if you establish it as a U.S. entity, such as a U.S. LLC or C-Corp. App stores like Apple and Google require U.S. tax identification for payment processing, especially when dealing with U.S.-based entities. If your U.S. LLC receives substantial revenue through these platforms, the IRS expects the entity to have an EIN for tax reporting purposes. This includes filing annual U.S. tax returns, such as Form 5472 for foreign-owned U.S. disregarded entities, and potentially other corporate tax forms depending on the entity type.

Furthermore, if your U.S. business entity plans to hire employees, whether in the U.S. or remotely, an EIN is absolutely required for payroll tax purposes. Even if you are a sole proprietor in Iceland operating under a U.S. LLC, the IRS views the LLC as a separate entity that needs its own tax identifier. The distinction is critical: if you are operating solely as an individual developer in Iceland and not through a U.S. entity, you might only need to provide your Icelandic tax identification or a U.S. ITIN if you have one, along with a Form W-8BEN to the app stores. However, the moment a U.S. legal structure is involved, the EIN becomes a necessity.

Required Documentation for EIN Application

Applying for an EIN as a non-resident developer requires specific documentation to identify the responsible party and the business. The primary document needed from you is a copy of your passport, serving as proof of identity for the individual applying for the EIN on behalf of the U.S. business. This passport should be valid and clearly show your photograph and personal details.

In addition to your passport, you will need the formation documents for your U.S. business entity. This could be your Articles of Incorporation for a U.S. corporation or your Articles of Organization for a U.S. LLC. These documents officially establish your business with a U.S. state. You must also have a U.S. business address. This does not need to be a physical office space; it can be a virtual office or a mail forwarding service address. If you are using a mail forwarding service, ensure it complies with IRS guidelines for business addresses. The application itself is IRS Form SS-4, Application for Employer Identification Number. While you don't submit the SS-4 directly in many non-resident cases, it is the form the IRS uses to process your application, and you'll need to provide the information it requests.

The EIN Application Process for Non-Residents

The process for obtaining an EIN differs significantly for U.S. residents versus non-residents. As a mobile app developer based in Iceland, you are considered a non-resident. Non-residents cannot use the IRS's online EIN application portal, as it requires a valid U.S. Social Security Number (SSN) or Individual Taxpayer Identification Number (ITIN). Therefore, you must apply via fax or mail, or through a Certified Acceptance Agent (CAA). The fax or mail route typically takes 3–5 weeks for the IRS to process your application and issue an EIN.

To apply by fax or mail, you must complete Form SS-4 and submit it along with your supporting documents (passport, formation documents, U.S. business address) to the IRS. You will need to indicate on the form that you are a foreign applicant. If you have no SSN or ITIN, line 7b of Form SS-4 should be clearly marked with the word 'Foreign'. After submission, the IRS will review your application and, if approved, mail your EIN confirmation letter (CP-575) to the U.S. business address you provided. This entire process, from submission to receiving the confirmation, can be lengthy. Understanding these timelines is crucial for your business planning.

Common Pitfalls for Iceland-Based Developers

Mobile app developers in Iceland face specific challenges when applying for an EIN, often stemming from misunderstandings about U.S. business structures and IRS procedures. A frequent mistake is attempting to use the online application portal. This portal is designed for individuals with an SSN or ITIN, and attempting to use it without one will result in failure and wasted time. Non-residents must use the alternative methods.

Another common error is misunderstanding the requirement for a U.S. business address. Some developers assume they can use their Icelandic address, but the IRS requires a physical U.S. address for the business entity. This can be a virtual office or a mail forwarding service, but it must be a U.S. location. Incorrectly filling out Form SS-4 is also prevalent; for instance, leaving line 7b blank or not clearly indicating 'Foreign' when no SSN or ITIN is available. This ambiguity can lead to application rejection or delays. Finally, confusion about entity type can arise; selecting the wrong entity type on the SS-4 can have significant tax implications down the line. It is vital to correctly identify your business structure, whether it's a disregarded entity, partnership, or corporation, as this dictates your tax obligations.

The Certified Acceptance Agent (CAA) Advantage

For mobile app developers in Iceland, applying for an EIN through a Certified Acceptance Agent (CAA) like itin.net offers a significant advantage in terms of speed and certainty. CAAs are individuals or entities appointed by the IRS to assist foreign applicants in obtaining an EIN. Unlike the standard fax or mail application, which can take several weeks, the CAA process can often expedite the issuance of your EIN. A CAA acts as an intermediary, verifying your identity and application details before submitting them to the IRS.

When you work with a CAA, they will review your documentation, including your passport and business formation documents, to ensure everything is in order. This pre-screening process helps catch errors before they reach the IRS, significantly reducing the chances of rejection or delays. If your application is straightforward and all documentation is correct, the CAA can often facilitate the EIN issuance in a matter of business days, rather than weeks. This accelerated timeline is particularly beneficial for app developers who need a U.S. bank account to receive payments promptly or meet platform requirements. The itin.net EIN service, operating as a CAA, streamlines this complex process for non-residents, providing a more efficient and reliable path to obtaining your necessary U.S. tax ID.

Next Steps After Obtaining Your EIN

Once you have successfully obtained your EIN, the next crucial step for mobile app developers in Iceland is to use it to open a U.S. bank account. A U.S. business bank account is essential for managing your app revenues and expenses separately from your personal finances. It also simplifies transactions with app stores and payment processors. Many U.S. banks and financial technology companies, such as Mercury, Relay, or Brex, offer business accounts designed for international founders, but they will require your EIN and U.S. business formation documents.

With your EIN and U.S. bank account established, you are now positioned to fully operate your U.S. business entity. This includes fulfilling ongoing tax obligations, such as filing annual U.S. tax returns. Depending on your entity structure and income, this might involve filing Form 1040-NR (for non-resident aliens) or corporate tax returns. For foreign-owned U.S. entities, Form 5472 is often required. Staying compliant with U.S. tax laws is paramount. Consider reviewing the itin.net pricing for EIN services or contacting us for further assistance with your U.S. business setup and tax compliance needs.

Practical tips

  • Use the exact same legal name for the responsible party on Form SS-4 as it appears on your passport.
  • Ensure your U.S. business address is valid and can receive mail reliably; a P.O. Box is generally not acceptable unless it's part of a commercial mail receiving agency service.
  • If you are applying as an individual without an SSN or ITIN, clearly write 'Foreign' on line 7b of Form SS-4.
  • Retain a copy of your EIN confirmation letter (CP-575) and all application documents for your records.
  • If you have already formed a U.S. LLC, have your Articles of Organization ready when you begin the EIN application process.

Frequently asked questions

Do I need an EIN if I am an individual app developer in Iceland without a U.S. LLC?

Generally, if you operate as an individual developer in Iceland without forming a U.S. entity, you do not need an EIN. You will typically provide your Icelandic tax identification or a U.S. ITIN (if you have one) along with IRS Form W-8BEN to Apple and Google for tax withholding purposes. The EIN is specifically for U.S. business entities.

How long does it take to get an EIN as a non-resident developer in Iceland?

Applying via fax or mail can take 3–5 weeks. Using a Certified Acceptance Agent (CAA) like itin.net can significantly speed up the process, often issuing the EIN within a few business days, provided all documentation is complete and accurate.

Can I use my Icelandic address for my U.S. business when applying for an EIN?

No, the IRS requires a physical U.S. business address for the entity when applying for an EIN. This can be a virtual office or a mail forwarding service, but it must be a U.S. location, not your personal Icelandic address.

What is the difference between an ITIN and an EIN?

An ITIN (Individual Taxpayer Identification Number) is for individuals who need a U.S. tax ID but do not qualify for an SSN. An EIN (Employer Identification Number) is a federal tax ID for business entities, such as LLCs and corporations, not individuals.

Do I need to file U.S. taxes if I have an EIN and earn money from apps?

Yes, if you form a U.S. business entity and obtain an EIN, you will likely have U.S. tax filing obligations. This could include annual U.S. income tax returns for the entity and potentially Form 5472 for foreign-owned U.S. entities. The specific requirements depend on your entity type and income.

Can a Certified Acceptance Agent (CAA) help me get both an ITIN and an EIN?

A CAA is authorized by the IRS to assist with ITIN applications. While some CAAs may also offer EIN services, their authorization is specific to ITINs. Services like itin.net specialize in both ITIN and EIN applications for non-residents, acting as a CAA for ITINs and providing a streamlined EIN service for U.S. entities.

Ready to Apply for Your ITIN?

Our IRS-Certified Acceptance Agents make the process simple and remote — from anywhere in the world.

  • IRS Certified
  • 5–10 Business Days
  • Money-Back Guarantee