At Hartwell & Associates, we bring clarity, compassion, and strategic excellence to every family law matter. Your family deserves an attorney who fights for what matters most.
Founded in 1994 by senior partner Margaret Hartwell, our firm has grown from a sole practice to one of New York's most respected family law boutiques. We serve clients across the five boroughs and surrounding counties, offering the attentive, personalised service of a small firm backed by the depth and resources of a large one.
Every family we represent faces a unique situation. Our attorneys take the time to understand your goals, your concerns, and what matters most to you — then craft a legal strategy designed to protect those interests as efficiently and effectively as possible.
We provide comprehensive legal counsel across all aspects of family law. Whether you're navigating a complex divorce or protecting parental rights, our team has the expertise you need.
We guide clients through contested and uncontested divorce proceedings, protecting your financial interests and ensuring fair division of assets, property, and debt with skilled negotiation or courtroom advocacy.
Learn moreYour children's welfare is our primary concern. We help establish or modify custody arrangements, develop parenting plans, and advocate fiercely for your rights and your children's best interests.
Learn moreWe fight for fair support arrangements — whether you're seeking adequate support for your children and yourself, or need to establish equitable obligations that reflect your actual financial circumstances.
Learn moreGrowing your family through adoption is a joyful journey. We assist with domestic, international, and stepparent adoptions — navigating complex legal requirements so you can focus on welcoming your child home.
Learn moreA well-drafted prenuptial or postnuptial agreement provides clarity and peace of mind. Our attorneys help couples protect personal and business assets while laying a strong legal foundation for marriage.
Learn moreIf you or your children are in danger, we act swiftly to obtain protective orders and ensure your safety. We handle these sensitive matters with the urgency, discretion, and care they deserve.
Learn moreOur attorneys bring decades of combined experience, deep specialisation, and a genuine commitment to helping families navigate the legal process with confidence.
Managing Partner
With over 30 years of family law experience, Margaret has built the firm's reputation on delivering exceptional results in high-conflict divorce and custody disputes. A frequent lecturer at the NY State Bar Association, she is widely recognised as a leading voice in matrimonial law.
Partner
James is a compassionate advocate for children and parents in custody and support matters. His background in child psychology gives him a unique edge in complex parental disputes. He has litigated before appellate courts and achieved precedent-setting outcomes.
Associate
Sofia joined Hartwell & Associates after serving as a family court law clerk, giving her sharp insight into judicial decision-making. She focuses on adoption cases and domestic violence protection orders, approaching each case with sensitivity and tenacity.
A selection of representative outcomes achieved for our clients. Every case is unique — past results do not guarantee future outcomes.
Secured sole legal and physical custody for our client in a contentious multi-year dispute, successfully demonstrating the opposing party's pattern of instability and endangerment.
* Names withheld for client confidentiality
Successfully traced and valued a complex portfolio of business interests, real estate, and hidden offshore accounts, securing equitable distribution for our client in a 14-month litigation.
* Names withheld for client confidentiality
Obtained a substantial downward modification of spousal support obligations following our client's documented change in financial circumstances and the opposing party's new cohabitation.
* Names withheld for client confidentiality
Within 48 hours, secured an emergency order of protection and temporary custody arrangement, ensuring our client and two minor children were safely removed from a dangerous home environment.
* Names withheld for client confidentiality
Our attorneys share practical insights to help you understand the legal process, know your rights, and make informed decisions for your family's future.
Divorce
New York is an equitable distribution state, which means marital property is divided fairly — but not necessarily equally. Here's what courts consider and how to protect your interests.
Read Article
Child Custody
Family court judges in New York use a multi-factor test when deciding custody. Understanding these factors — from each parent's stability to the child's own preferences — can help you build a stronger case.
Read Article
Prenuptial
A prenuptial agreement is a practical planning tool, not a prediction of failure. We outline the essential provisions that protect both parties and ensure your agreement will hold up in court.
Read ArticleEvery family law matter is unique and time-sensitive. Our attorneys offer a complimentary initial consultation to review your situation, answer your questions, and outline your legal options — with no obligation.
Everything you share is protected by attorney-client privilege. Your privacy is our priority.
A substantive conversation with a qualified attorney — not a paralegal or intake specialist.
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Reach our intake team at (212) 555-0190 — available Monday to Friday, 8:30 am to 6:00 pm.
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Conveniently located in Midtown Manhattan, our offices provide a private, professional environment for consultations. We are accessible by subway, bus, and vehicle, with parking available nearby.
845 Third Avenue, Suite 1200
New York, NY 10022
Paid parking available at Icon Parking – 830 Third Avenue (1 block). Street metered parking on 51st St. EV charging stations at Quik Park on 49th St.
Subway: 6 train to 51st St (1 min walk), E/M to Lexington Av/53 St (3 min walk). Multiple MTA bus routes on 3rd Ave.
845 Third Avenue, Suite 1200
New York, NY 10022