How long does it take to get an ITIN from United Kingdom?

The typical processing time for United Kingdom applicants is 7-9 weeks weeks. This can be faster during off-peak seasons (May-December) and slower during tax season (January-April). Using a Certifying Acceptance Agent (CAA) can help avoid delays from document issues.

Do I need to travel to the US to get an ITIN?

No, United Kingdom residents can apply for an ITIN completely remotely. You can submit your application through a CAA, by mail to the IRS, or through authorized IRS TAC offices. Many applicants successfully obtain their ITIN without ever visiting the United States.

What documents from United Kingdom are accepted?

The IRS accepts United Kingdom passports as primary identification. You'll also need Passport, NI Number, Proof of foreign status. Documents in English are accepted as-is.

Can I use my ITIN to work in the US?

An ITIN does not authorize work in the US or change your immigration status. It's solely for tax purposes. United Kingdom residents use ITINs to properly report US-source income, claim tax treaty benefits, and comply with US tax laws while working remotely or conducting business with US entities.

What's the cost for United Kingdom residents?

The IRS doesn't charge for ITIN applications. However, United Kingdom applicants typically pay for services like document preparation ($50-150), CAA services ($299-800), and shipping ($50-100). TheITINapp.com offers all-inclusive service for $299.

How do I claim tax treaty benefits with my ITIN?

Once you have your ITIN, complete Form W-8BEN and provide it to your withholding agents (clients, platforms, banks). This reduces withholding from 30% to 0% under the United Kingdom-US tax treaty. You may also need to file Form 8833 with your tax return for certain treaty positions.

United Kingdom ITIN Application Guide

United Kingdom - United States Tax Treaty

Active Tax Treaty

Reduced withholding rate: 0%

Withholding Rates

Income Type	Without Treaty	With Treaty	Savings
Dividends	30%	15%	15% saved
Interest	30%	0%	30% saved
Royalties	30%	0%	30% saved

How to Claim Treaty Benefits

1. Obtain your ITIN first
2. Complete Form W-8BEN for individuals
3. Submit to your withholding agent
4. May need to file Form 8833 with tax return

Tax Savings Calculator

Annual US Source Income ($)

Without ITIN (30% withholding):$15,000

With ITIN + Treaty (0%):$15,000

Annual Savings:$0

Required Documents for United Kingdom

Primary Documents

Passport

Must be valid and unexpired

NI Number

Proof of foreign status

Recent utility bill or bank statement

Document Preparation Checklist

Passport copy (all pages with stamps)National ID card (both sides)Proof of foreign address (utility bill < 3 months)Form W-7 completed and signedSupporting tax documents (if applicable)

Expected Timeline for United Kingdom Applicants

W1

Week 1: Document Gathering

• Collect all required documents
• Get passport copies notarized
• Obtain proof of foreign address

W2

Week 2: Preparation

• Complete Form W-7
• Review application for errors

W3

Week 3: Submission

• Submit via CAA or mail to IRS
• Get tracking number
• Keep copies of everything

W4-12

Weeks 4-12: IRS Processing

• IRS reviews application
• Expected processing: 7-9 weeks
• May receive requests for additional info

✓

ITIN Received

• ITIN letter arrives by mail
• Start using for tax purposes
• Keep letter in safe place

Factors That May Delay Processing

• Missing or incorrect documents
• Name mismatches
• Expired passport
• Peak season (January-April)

Complete Cost Comparison

Service	DIY	With CAA	TheITINapp
IRS Application Fee	$0	$0	$0
Document Preparation	$50-150	Included	Included
Certification/Notary	$50-100	Included	Included
Service Fee	-	$500-800	$299
Shipping/Courier	$50-100	$50-100	Included
Total Cost	$250-650	$650-1200	$299-349

💡 Value Comparison

DIY: Cheapest but highest risk of errors and delays

Local CAA: Professional help but more expensive

TheITINapp: Best value with expert support and fast processing

US Diplomatic Posts in United Kingdom

Main Embassy/Consulate

Location varies by country

https://uk.usembassy.gov/

Check website for contact info

Services Available

✓ Document notarization
✓ Passport services (US citizens)
✓ Visa information
✗ ITIN applications (must go through IRS)
✗ Tax advice

Important Notes

• US Embassy does NOT process ITIN applications
• They can notarize documents if needed
• Appointment usually required
• Bring valid ID and documents

For E-commerce Sellers

• Essential for Amazon FBA to avoid 30% withholding
• Required for Shopify Payments verification
• Needed for US supplier accounts
• Enables PayPal/Stripe full features

For Content Creators

• Eliminate YouTube AdSense withholding
• Required for US platform monetization
• Needed for brand sponsorships
• Essential for course platforms

For Freelancers/Contractors

• Invoice US clients without withholding
• Required for W-8BEN form
• Access US freelance platforms
• Build US credit history

For Real Estate Investors

• Required for property transactions
• Needed for rental income reporting
• Essential for FIRPTA compliance
• Enables proper tax filing