O-1 Visa Opinion Letters

USCIS-compliant Expert Opinion Letters and Advisory Opinion Letters supporting extraordinary ability O-1 visa petitions.

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O-1 Visa Expert Opinion Letters

What Our Clients Say

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What This Service Covers

Depending on your case requirements, we provide:

Advisory Opinion Letters

From appropriate peer groups, labor organizations, or qualified experts

Expert Opinion Letters

Authored by recognized subject-matter experts validating extraordinary ability

Each letter:

  • Confirms the beneficiary's extraordinary ability in their field
  • Establishes sustained national or international recognition
  • Aligns expert testimony with submitted evidence
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Our Process

1

Intake & Case Review

We review the beneficiary's background, resume, and O-1 petition context.

2

Opinion Type & Expert Matching

We identify the right type of opinion and connect your case with a qualified expert.

3

Drafting & Review

The letter is drafted, reviewed, and refined to align with USCIS standards and petition evidence.

4

Final Delivery

You receive a finalized, signed letter ready for submission with your O-1 filing.

Why Choose GCS for O-1 Opinion Letters

Qualified Subject-Matter Experts

We work with professionals who have demonstrable credentials in each field.

Immigration-Focused Writing

Letters are prepared specifically for USCIS review, not procedural, promotional, or generic use.

USCIS-Compliant Structure

Each letter follows a format and narrative style aligned with USCIS review standards.

No Templates

Every O-1 expert or advisory opinion letter is tailored to your case.

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Frequently Asked Questions

Check our pricing page for Opinion Letters. Pricing may vary depending on the type of letter required and case complexity. Start your application, upload your documents, and request a quote. Our team will respond promptly with a personalized quotation.

Standard processing is 7-9 business days once all required documents are received. Rush options are available for urgent cases at an additional fee.

To prepare an effective expert opinion letter for an O-1 visa, we typically request the following:

  • Updated resume or curriculum vitae (CV)
  • Brief summary of professional background and major achievements
  • Evidence of awards, recognitions, or honors (if applicable)
  • Evidence of publications, media coverage, or press mentions
  • Evidence of original contributions or leading roles in the field
  • Employment offer, contract, or itinerary of planned U.S. work (if available)
  • Any prior USCIS correspondence, including RFE (if applicable)

Yes. Requirements vary by field and petition strategy. Additional materials may be requested during review.

USCIS requires a written advisory opinion from a peer group, labor organization, or qualified expert. When a formal peer group does not exist, an expert opinion letter is commonly used to satisfy this requirement.

Yes. Both expert and advisory opinion letters can be prepared to directly address USCIS concerns raised in a Request for Evidence.

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