Vetted U.S. Academic & Industry Experts Field-Matched on Every Case Credential Evaluations & Expert Opinion Letters EB-1A EB-2 NIW H-1B O-1 48-Hour Rush Available Serving Clients Worldwide

Expert Opinion Letters from Qualified U.S. Professors & Industry Experts

An expert opinion letter is a formal letter by a qualified U.S. professor or senior industry professional who has independently reviewed an individual’s background and is providing their professional assessment of that person’s expertise, contributions and standing in their field. These letters are a standard and significant component of employment-based immigration petitions, particularly for extraordinary ability and national interest categories.
Academic Evaluation

$100

Standard Processing
Delivered in 5–7 Business Days
  • U.S. Degree Equivalency Confirmed
  • Official Evaluation Report
  • USCIS-Compliant Format
  • Digital & Hard Copy Included
  • Accepted Worldwide
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⚡ Rush Delivery Available in 24–48 Hours

What This Service Is

What Is an Expert Opinion Letter?

An expert opinion letter is a formal, independent assessment qualified U.S. professor or senior industry professional who has personally reviewed your education, experience, achievements, and supporting documentation. The letter provides the expert’s professional opinion regarding your qualifications, expertise, and standing within your field to support employment-based immigration petitions.

At AEPS Group, every expert opinion letter is authored by a real expert—not generated from a template or signed without review. We carefully identify the appropriate expert, coordinate the entire engagement, manage the timeline, and deliver a professionally written letter that reflects the expert’s own independent judgment and academic or industry expertise.

Where It Can Be Used

Find the Right Expert Opinion Letter for Your Case

Extraordinary Ability

EB-1A Expert Opinion Letter

Independent expert testimony supporting EB-1A petitions by explaining your sustained national or international acclaim, original contributions, awards, publications, and leadership in language USCIS can clearly evaluate.

Common USCIS Questions

  • The prestige and selectivity of your awards
  • Whether your judging role satisfies USCIS criteria
  • Whether your original contributions are significant
  • Whether your publications appear in major outlets
  • Whether your salary reflects top-level expertise
  • Whether your organizational role was truly critical
  • Whether the evidence demonstrates sustained acclaim
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National Interest Waiver

EB-2 NIW Expert Opinion Letter

Expert letters that explain the national importance of your work, demonstrate your ability to advance your proposed endeavor, and strengthen the evidence supporting a National Interest Waiver petition.

Common USCIS Questions

  • Substantial merit and national importance
  • Whether you are well positioned to advance the endeavor
  • Professional qualifications and research record
  • Industry recognition and peer endorsements
  • Benefit of waiving labor certification
  • Whether the overall record supports the national interest
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Specialty Occupation

H-1B Expert Opinion Letter

Professional opinions supporting H-1B petitions by establishing specialty occupation requirements and demonstrating the relationship between the beneficiary's qualifications and the offered position.

Common USCIS Questions

  • Whether the role is a specialty occupation
  • Whether the degree relates to the position
  • Whether the specialty degree is normally required
  • Whether the duties require advanced knowledge
  • Whether the job description matches industry standards
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Extraordinary Ability

O-1A & O-1B Expert Opinion Letter

Independent expert opinions explaining the significance of your achievements and placing your professional accomplishments into context for USCIS adjudicators.

Common USCIS Questions

  • Recognition of awards
  • Distinguished publications
  • Judging and peer review activities
  • Major original contributions
  • Extraordinary compensation
  • Entertainment industry achievements
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Outstanding Researcher

EB-1B Expert Opinion Letter

Peer expert testimony explaining the significance of your research, publications, citations, awards, and international recognition within your academic field.

Common USCIS Questions

  • Outstanding academic awards
  • Editorial and peer review activities
  • Publication impact
  • Original research contributions
  • International recognition through citations
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Intracompany Transfer

L-1A & L-1B Expert Opinion Letter

Third-party expert opinions supporting specialized knowledge and managerial capacity claims for intracompany transfer petitions.

Common USCIS Questions

  • Specialized knowledge requirements
  • Technical complexity of the position
  • Managerial or executive capacity
  • Role within the multinational organization
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How It Works

Our Simple 4-Step Process

01

Submit Your Case Details

Share your resume, petition details, publications, awards, employment history, and any supporting documents through our secure submission process.

02

Expert Matching & Case Review

We carefully review your case and coordinate with a qualified U.S. professor or senior industry expert whose background closely aligns with your field of expertise.

03

Independent Expert Opinion

The selected expert personally reviews your qualifications and prepares an independent opinion letter reflecting their professional assessment of your experience, achievements, and standing in the field.

04

Final Delivery

Your completed expert opinion letter is professionally formatted, quality-checked, and delivered digitally. Rush processing is available for urgent immigration deadlines.

Frequently Asked Questions

Common Questions

An Expert Opinion Letter is an independent professional assessment prepared by a qualified U.S. professor or senior industry expert. It explains your qualifications, experience, achievements, and professional standing in language that helps USCIS understand the significance of your background for employment-based immigration petitions.

Expert Opinion Letters are commonly used for EB-1A, EB-2 National Interest Waiver (NIW), H-1B, O-1A, O-1B, EB-1B, and L-1A/L-1B petitions. They may also be requested to strengthen responses to a USCIS Request for Evidence (RFE).

Standard processing is typically completed within 7–10 business days. Expedited or rush processing may be available for urgent immigration deadlines, depending on the complexity of the case and expert availability.

Most cases require your résumé or CV, educational credentials, employment history, publications (if applicable), awards, supporting evidence, and any USCIS notices or petition documents relevant to your case. Additional documents may be requested based on your visa category and individual circumstances.

Visa Types Covered

H-1B

EB-2

EB-3

F-1

O-1

L-1

J-1

J-1

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