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Business Details
48 Years
experience
Helping You Get The Fresh Start You Deserve
Since our founding in 1978 by Thomas J. Keegan Sr. and his son, Thomas J. Keegan Jr., our firm has dedicated itself to serving clients throughout Suffolk and Nassau Counties with comprehensive legal services. We specialize in personal injury law, addressing matters such as motor vehicle accidents, slip-and-fall incidents, products liability, and workplace injuries. Our team, led by Thomas J. Keegan Jr. alongside partners Daniel C. Ross and Jamie G. Rosner, continues to uphold the commitment to excellence and client advocacy that has been the hallmark of our firm for decades.

Beyond personal injury, our firm provides legal expertise in a wide array of practice areas, including medical malpractice, family law, business and real estate matters, municipal law, collections, elder law, estate litigation, landlord-tenant disputes, and criminal defense. Our attorneys pride themselves on offering holistic representation, allowing clients to rely on a single firm for multiple legal needs, fostering enduring relationships and confidence in our counsel.
Services
Personal Injury Medical Malpractice Real Estate Law Business Law Criminal Defense Family Court Municipal Law Product Liability Estate Litigation Landlord-Tenant Cases
Details
  • Year established: 1978
Highlights and features
  • We have over 40 years of experience serving Long Island communities.
  • Our team includes Spanish-speaking attorneys and support staff.
  • We offer free initial consultations and accept major credit cards.
  • We handle diverse legal areas from personal injury to criminal defense.
  • We prioritize transparent communication to keep clients informed throughout their cases.
What people say
Kept informed Extra mile $285,000 recovered Client-focused Transparent communication
Services
Personal Injury Attorneys
Our firm provides expert legal representation in personal injury, medical malpractice, and product liability matters, ensuring clients receive the compensation they deserve. We handle claims arising from accidents, assaults, and negligent actions, addressing losses such as pain, suffering, lost income, and loss of consortium. Our team also pursues cases involving medical errors and unsafe products, advocating vigorously for victims and their families to hold responsible parties accountable and secure just outcomes.
Real Estate Attorneys
Our firm provides comprehensive real estate legal services, guiding clients through every stage of property transactions. We assist with listing properties, reviewing and executing contracts, resolving title and mortgage matters, and managing closings efficiently. In addition to homeowners, we represent landlords and tenants in addressing diverse real estate issues. Our extensive experience ensures that each transaction proceeds smoothly, with careful attention to detail and client needs.
Business Law
At Keegan & Keegan, Ross & Rosner, we provide comprehensive legal guidance for business owners, assisting with the formation, sale, or dissolution of enterprises. Our team advises on the most suitable business structure, including Corporations, Professional Corporations, LLCs, Limited Partnerships, LLPs, or Nonprofit Corporations. We also manage commercial disputes, collections, and intellectual property matters to ensure our clients' operations remain secure and compliant.
People
Thomas J. Keegan Jr.
Partner
With over 40 years of experience, Thomas J. Keegan Jr. specializes in personal injury and litigation. He co-founded the firm in 1978, continuing his father's legacy of client-focused legal representation in Suffolk County.
Daniel C. Ross
Partner
Daniel C. Ross brings expertise in municipal law and business litigation. As a partner, he focuses on delivering strategic legal solutions for clients in commercial disputes and local government matters across Long Island.
Jamie G. Rosner
Partner
Jamie G. Rosner specializes in family court and criminal defense. With a commitment to client advocacy, he handles complex cases involving domestic relations and criminal prosecutions in Suffolk County courts.
Questions
What areas of law does Keegan & Keegan, Ross & Rosner specialize in?
We specialize in personal injury, medical malpractice, real estate, business law, criminal defense, family court, municipal law, and product liability cases across Long Island.
Do you offer free initial consultations?
Yes, we provide free initial consultations to discuss your legal needs and determine the best course of action for your case.
How does the firm handle communication with clients?
We prioritize transparent communication, keeping clients informed of case developments through regular updates to ensure clarity and avoid surprises.
Are there payment plans or financing options available?
We accept major credit cards and can discuss payment arrangements to ensure legal services remain accessible for all clients.
What experience does the firm have in personal injury cases?
Since 1978, we've handled thousands of personal injury cases, including motor vehicle accidents and slip-and-falls, securing significant recoveries like $285,000 for a client's knee injury.
Reviews (2)
Nicholas D.
May 12, 2024 Report
Needed a small desk appearance ticket resolved without taking off of work for me and my buddy from out of state. Spoke with Jaime on the phone and was in within the week to retain. Simple, seamless process. Everyone was a pleasure to work with. Ended up taking care of it no issues. Jaime, Chris, and the rest of the team, Thank you.
Carol Teel
Jul 10, 2021 Report
It was my pleasure dealing with Tom Keegan, and Kathleen Reyes. They were very professional. They kept me abreast of every situation as it came along. In a time of the pandemic, I never imagined things could be finished and closed as quick as they managed to do it. I would highly recommend Tom and his team for any needs you may have for an attorney. A+++++