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Brittany Mangan is a partner in the Firm’s Matrimonial & Family Law Practice. A highly experienced litigator, Brittany has dedicated her career to helping individuals through the difficulty of divorce and family law issues. She approaches all matters with compassion and respect as she guides clients through the emotional, financial, and temporal costs often inherent in these issues.
The wide range of services that Brittany provides to her clients includes handling prenuptial and postnuptial agreements, divorce litigation and divorce negotiations, post-divorce actions, child custody and child support, spousal support, marital and separation agreements, equitable distribution, property distribution and settlements, paternity, CPS and neglect matters, and qualified domestic relation orders.
Brittany’s practice focuses on the divorce courts in both Nassau and Suffolk counties in New York, where she has a deep understanding of the unique dynamics and judges of those courts. She is also an experienced litigator at the appellate level, having argued before the Second Department, Appellate Division.
Brittany has presented Continuing Legal Education classes on points of evidence and on matrimonial law, and she has authored numerous articles on family law issues.
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Chat withState: New York
Acquired: 2013
No misconduct found
1377 Long Island Motor Parkway, Suite 303, Islandia, NY, 11749
Showing 1 - 5 of 14 client reviews from Avvo
Posted by D. DeFelice | May 15, 2025 | Hired Attorney
My only wish is that Britt and her Associate, Kali, could have been my Attorneys when I originally went through my divorce 5 years ago. Good things come to those who wait! Brittany is an outstanding Attorney who I was lucky enough to be recommended to in a great time of need. She came to my rescue...
Posted by A | March 13, 2025 | Hired Attorney
Brittany took my case on, despite her busy schedule and some complications (namely distance) with my case, and jumped in fully committed to my needs. I had had other counsel who had told me that what I believed was best for my child, regarding custody and support was unreasonable. Brittany listened c...
Posted by anonymous | April 4, 2019 | Hired Attorney
Britney was fantastic, professional, and compassionate. Took her time to listen to everything I needed and felt. We won what needed to be won and take care of sooner then I thought. I would highly recommend her,
Posted by anonymous | October 15, 2018 | Hired Attorney
Mrs. Mangan a member of the firm McGuire and Condon which is an exceptional law firm. Mrs Mangan roots for the client , believes in them, listens to and makes each and every issue they have a priority. For over a year Mrs. Mangan has fought for me with the agony and the continuing court battles with...
Posted by SMM | September 14, 2018 | Hired Attorney
Endorse her without reservation She participated in my case with graceful commitment and unique compassion If you are in need of a talented divorce attorney, need look no more
"Brittany and I have been colleagues for several years. I know that she is a strong advocate for her clients and a very skilled and knowledgeable attorney."
"I fully endorse Ms. Mangan as an excellent matrimonial/family law advocate. She is a dedicated attorney who goes to great lengths to reach favorable outcomes for her clients. Ms. Mangan is a very capable and formidable attorney, and she is a pleasure to work with as opposing counsel. It has been my personal experience in working with Ms. Mangan on matrimonial matters, that she comes to Court and all settlement negotiations fully prepared, which ultimately saves the clients time and money. Ms. Mangan demonstrates superior knowledge and expertise in the field of matrimonial/family law, and any client would find that they are in great hands under her skillful representation."
"Always punctual and always prepared. Any client that hires her will instantly realize that Ms. Mangan cares. Rising star."
Divorce and separation lawyer
Criminal defense lawyer
Unknown lawyer
Family lawyer
2022
Rising Star, Super Lawyers
2021
Rising Star, Super Lawyers
2020
Rising Star, Super Lawyers
2019
Rising Star, Super Lawyers
2017
Top 40 Under 40, The National Advocates
2017
Top 10 Attorneys Under 40, National Academy Of Family Law Attorneys
2024 - Present
Partner, Tarter Krinsky & Drogin, LLP
2023 - 2024
Partner, Berkman Bottger Newman & Schein
2018 - 2023
Partner, McGuire Condon Mangan, P.C.
2014 - 2018
Associate, McGuire Condon, PC
2012 - 2014
Associate Attorney, The Law Office Of Anthony A. Capetola
2014 - Present
Suffolk County Matrimonial Bar AssociationMember
2017 - 2020
Suffolk County Academy of LawOfficer
2015 - 2016
Suffolk County Bar AssociationCo-Chair of Member Benefits and Services Committee
2014 - 2016
Suffolk County Assigned Defender Program
2012
Juris Doctor (JD)
2008
Bachelor of Arts (BA) in Politics & Philosophy
2016
2016
English