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O’Neil Hauser Mansfield, P.C., a trusted Immigration Attorney firm, provides expert legal guidance to individuals and families navigating the complex world of immigration law. Located at 105 Main St, Charlestown, MA 02129, our experienced team is dedicated to helping clients achieve their immigration goals. As a reputable Immigration Attorney, we offer a wide range of services, including visa applications, green card processing, citizenship, and deportation defense. Our attorneys are committed to providing personalized attention and aggressive representation to ensure the best possible outcomes for our clients. Whether you're seeking to live, work, or start a business in the United States, our Immigration Attorney team is here to help. We understand the importance of timely and effective legal representation, and we're dedicated to providing the highest level of service to our clients. At O’Neil Hauser Mansfield, P.C., we're passionate about helping individuals and families achieve their American dreams. Contact us today to schedule a consultation with one of our experienced Immigration Attorney professionals.

O’Neil Hauser Mansfield, P.C. Review Summary

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(24 Reviews)
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Alexandre Valentim
Alexandre Valentim -Google user
8 months ago
I want to thank the O’Neil Houser Mansfield, P.C. group for the services provided in my case. I just got my Green Card. 01/31/2025 you were very committed, dedicated, professional and very honest. I recommend you with my eyes closed.
Veronica Olivera
Veronica Olivera -Google user
2 weeks ago
I can’t thank O’Neil Hauser Mansfield, P.C. enough for their outstanding support throughout my immigration process. They were professional, compassionate, and always there when I needed them. Attorney Joshua Mansfield and Paralegal Joan Hogan were especially wonderful, making sure I felt confident and cared for...Read More
Nayara Narimatsu
Nayara Narimatsu -Google user
a month ago
We are so thankful to O’Neil Hauser Mansfield for everything they did for me and my husband. They did an amazing job with both of our cases and were always there for us whenever we had questions or needed advice. They’re an honest, trustworthy firm...Read More
Hans Robles
Hans Robles -Google user
a month ago
After many years filled with uncertainty, stress, and countless obstacles, my mother case has been resolved and her legal status been approved — and it is all thanks to the incredible team at O’Neil Hauser Mansfield, P.C. From the very beginning, Joshua, Joan, and the entire...Read More
Elissar barek
Elissar barek -Google user
3 months ago
I want to sincerely thank you for your exceptional support and guidance throughout my visa process. Your expertise, attention to detail, and constant communication made a stressful journey feel so much more manageable. You were always available to answer questions, provide reassurance, and explain every...Read More
Evelyn Guiste
Evelyn Guiste -Google user
2 months ago
Over the years, the Former Oneil Law Firm, now – currently known as O’Neil Hauser Mansfield, P.C. has worked as a TEAM and demonstrated professional representation to me and my family. This excellent law firm has carefully and successfully assisted my husband and my family...Read More
Maxwell Rosa
Maxwell Rosa -Google user
3 months ago
Very knowledgeable group regarding immigration cases. Certainly ahead of the curb knowing exactly how the USCIS process works thus instilling confidence in clients. Makes time for client questions regardless of where you are in the cycle. Shout out to Joan, Joshua, & Leslie for always...Read More
M Lima
M Lima -Google user
7 months ago
I hired O’Neil Hauser Mansfield, P.C. office, to help me with my husband’s I-30 application, and I couldn’t be happier with the outcome. From the start, they were very professional and explained everything in detail. They made sure we understood each step of the process and...Read More
Aleksandra Pourer
Aleksandra Pourer -Google user
2 years ago
I had a pleasure working with attorney Joshua Mansfield. He was very straight forward and explained to me what to exactly expect and what my legal options were in order for me to obtain green card for my mom. Joan Hogan, the paralegal/office manager, has been...Read More
Robert Sennett
Robert Sennett -Google user
3 months ago
The office staff were very cordial, empathetic, caring, and they all had a very positive professional manner throughout their services. 👍👍 Thank you all. Regards, R Sennett M Sennett
K Perez
K Perez -Google user
a year ago
I had an amazing experience working with Elizabeth Doyle and her team to help my husband successfully obtain his green card. Initially, it was a very stressful process for both my husband and I to gather all of the required documents. We …
Hannah Zhang-Wieboldt
Hannah Zhang-Wieboldt -Google user
a year ago
My husband and I recently sought the assistance of Elizabeth and her team at O’Neil Hauser Mansfield for my petition for alien relative, work permit application, and interview preparation. Their expertise and professionalism were …
Andrew Wells
Andrew Wells -Google user
a year ago
I've been a client with O'Neil, Hauser, & Mansfield for the past 4 years. They've helped me with a successful Green Card application and the subsequent removal of its conditions. My experience with the late Lesley Hauser was nothing short …
Mario Barbosa
Mario Barbosa -Google user
10 months ago
O’Neill Hauser, Mansfield PC ,They fit our needs they help us in the way we want. O’Neill Hauser Mansfield PC, located in Charlestown, Boston, Massachusetts, they are excellent attorneys,They are outstanding professional, and we look …
Daniel Restrepo
Daniel Restrepo -Google user
a year ago
Everyone working at this law firm was super helpful and very professional. They were quick to respond to any emails or questions that I had. Thanks to them I was able to get my green card 7 months earlier then expected.
pat c
pat c -Google user
Edited 2 years ago
Outstanding Legal Services That Deliver Results! I recently had the privilege of working with O’neil, Hauser Mansfield,PC and I …
Joao Arante
Joao Arante -Google user
2 years ago
I have been a client of Mr. Hauser and his law firm dating back to 2006. He has successfully represented me throughout the long process of obtaining my Permanent Residency Card and United States Citizenship. I sincerely recommend his professional services.
Dani Chedid
Dani Chedid -Google user
2 years ago
Attn. Mansfield and his Team were amazing to work with. They laid down the roadmap for our immigration process, and followed it to the T. They were on top of all notices and we felt in great hands with them. I highly recommed their services...Read More
Hassan Haidar
Hassan Haidar -Google user
Edited 9 months ago
The most professional and sincere immigration attorneys. Amazing responsiveness, clarity, and support. I highly recommend to anyone seeking immigration and naturalization matters. Thank you O'Neil Hauser Mansfield, P.C. for all your dedication. My wife and I are extremely pleased!
Divya Hazel
Divya Hazel -Google user
7 years ago
Small Law Firm with a reasonably friendly staff. They are extremely welcoming and take their job very seriously. They do a very good job at communicating with you and also family. Their response time is very quick and thorough. I would …

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