Sergio Antonio Athanasso

Sergio Antonio Athanasso

5.0
Rating: 7.0

Licensed for 10 years

Immigration Lawyer at Washington, PA
Practice Areas: Immigration

10 Wallace Lane, Washington, PA

About Sergio

Biography

Practice Areas

1

Practice Area

Fees and Rates

We have not found any cost information for this lawyer


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Licenses

Licensed in District of Columbia for 9 years

State: District of Columbia

Acquired: 2016

Good Standing

No misconduct found

Licensed in New York for 10 years

State: New York

Acquired: 2015

Currently Registered

No misconduct found

Location

Xenos Law Group

10 Wallace Lane, Washington, PA, 15301

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Sergio Antonio Athanasso's Reviews

Avvo Review Score

5.0 /5.0

24 Client Reviews

Filter Avvo Reviews (24) Refine reviews to match your needs. Use the filters to quickly surface reviews that align with your case or priorities.

Showing 1 - 2 of 2 reviews | Business

Posted by Mena | May 20, 2026 | Hired Attorney | Business

How the Wrong Immigration Lawyer Cost Me $30,000 …And How Sergio at Xenos Law Group Finally Got My E2 Visa Approved

After losing nearly $30,000 in unnecessary living expenses because I trusted the wrong immigration lawyer, I can honestly say choosing the right legal team for your E2 visa is one of the most important decisions you will ever make. My first lawyer treated the process like an endless application co...nveyor belt. Every setback felt like another opportunity for them to charge another $5,000–$10,000 re-application fee instead of actually getting me approved. There was no urgency, no real strategy, and no sense that they cared about the damage delays were causing to my life and business. Looking back, I truly believe many people do not realize how devastating the wrong immigration lawyer can be financially, emotionally, and professionally. Then I found Sergio and the team at Xenos Law Group. The difference was immediate. Sergio stepped in and completely changed the trajectory of my case. He did not just “submit paperwork.” He over-prepared me at every level. Every possible weakness was addressed before it could become an issue. Every interview angle was covered. Every business detail was sharpened. For the first time in the entire process, I felt like I had a legal team that genuinely cared whether I succeeded. What impressed me most was that Sergio understood the E2 visa is not just a form. It is your life, your future, your business, your investments, your family, your stress, and your time. He approached my case strategically instead of mechanically. Because of Xenos Law Group, I finally received my E2 visa approval after an incredibly frustrating and expensive journey. If you are serious about getting approved, do not make the mistake I made the first time by hiring a lawyer based on flashy promises or lower upfront costs. A bad immigration lawyer can easily cost you tens of thousands in delays, lost time, relocation expenses, failed strategy, and repeated filings. Sergio and his team are the real deal. Professional. Strategic. Prepared. Responsive. And most importantly they care about results!!! Actually! I cannot recommend Xenos Law Group enough.

Posted by Dodla Siddarth S | October 10, 2025 | Hired Attorney | Business

Expert Legal Support That Made My L-1A Approval Effortless

Sergio and his team helped me with my L-1A new office petition, and I’m thrilled to share that it was approved without an RFE. Their expertise, precision, and clear communication made the entire process smooth and stress-free. I truly appreciated the personal attention and the way they handled every ...detail with care. I would highly recommend Sergio Law to any business owner looking for a knowledgeable and trustworthy immigration firm.

See All Client Reviews

Sergio Antonio Athanasso's Lawyer Endorsements

Endorse Sergio
Evangelia Marina Moreno headshot
Evangelia Moreno

Immigration lawyer | Jan 21

Relationship: Worked together on matter

"What sets Sergio apart is his unwavering dedication to his clients. He goes above and beyond to ensure that their needs are met, providing personalized, thoughtful guidance throughout the process. His professionalism, attention to detail, and commitment to delivering results make him a standout in the field. If you are seeking an immigration attorney who is truly invested in achieving the best possible outcome, I highly recommend Sergio Athanasso."

View All Endorsements
Evangelia Marina Moreno headshot
Evangelia Moreno

Contracts and agreements lawyer

Experience

Rating:  7.0 (Very Good)

Associations

American Immigration Lawyers Association

Member

Education

2014

University of Pittsburgh School of Law

JD - Juris Doctor

2011

Duquesne University

BS - Bachelor of Science

Languages

Spanish

English

Greek

Activity

Avvo Rating

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Avvo Rating Levels
10.0 - 9.0 Superb8.9 - 8.0 Excellent7.9 - 7.0 Very Good6.9 - 6.0 Good5.9 - 5.0 Average4.9 - 4.0 Concern3.9 - 3.0 Caution2.9 - 2.0 Strong Caution1.9 - 1.0 Extreme Caution