We Hear You.
Let Us Be Your Voice.
We are dedicated to defending people accused of criminal offenses and helping people facing complicated family law issues.

Experienced Massachusetts Criminal Defense & Family Law Attorney
Kelleher & Maceo, P.C., is a boutique law firm devoted exclusively to defending and protecting the rights of people accused of criminal offenses and people facing emotional family law issues. Whether you are being charged with a misdemeanor or felony or seeking a divorce or fighting to protect your children, we walk by your side every step of the way.
For more than 10 years, we have represented clients in a wide range of litigation matters in the Commonwealth of Massachusetts and abroad. With offices located in Boston, we provide legal representation for clients located all throughout the Commonwealth of Massachusetts including Suffolk County, Middlesex County, and Essex County. When you need your voice to be heard, contact Kelleher & Maceo, P.C., for help.
Criminal Defense
Defending your rights in criminal cases involving OUI, drug offenses, theft and property crimes, murder and more.
Family Law
Helping you through complicated family law matters involving divorce, child custody and visitation, alimony and more.
Criminal Defense For The Underdog
The criminal justice system is broken – it perpetuates the oppression of the underserved in our community and is designed to keep people down. But together we can change that. At Kelleher & Maceo, P.C., we fight for the underdog and give a strong voice to those who often go unheard or ignored.
We hear you and will make sure your story is heard. Our goal is to ensure you receive all the legal protections to which you are entitled and to secure the best possible outcome for your situation. We work hard to help you avoid serious penalties, provide you with a sense of emotional relief and make a lasting, positive impact on your life. From OUI to murder, we can help.

Experienced Boston Lawyer Ambar M. Maceo-Rossi
Ambar’s commitment to her clients and her passion for righting the wrongs of a flawed legal system is only a couple of the reasons why you want her in your corner. With a soft voice and a kind demeanor, Ambar is the perfect example that you don’t need to be loud to be heard.
- Named as a Top-Rated Criminal Defense Attorney by Super Lawyers
- Selected to Super Lawyers Rising Stars in 2021
- Over 15 years of legal experience
- Fluent in Spanish, French, and Portuguese
- Board Member of the Massachusetts Association of Criminal Defense Lawyers
- Member of the Massachusetts Association of Hispanic Attorneys and the Women’s Bar Association of Massachusetts
Have You Been Arrested?
If you or a loved one have been arrested or charged with a crime, you need to speak with counsel right away to start preparing the best possible defense. You have the right to stay silent, you have a right to an attorney, and you are innocent until proven guilty beyond a reasonable doubt. Demand your rights!














Family Law For The Underappreciated
Is anyone listening to you? Sometimes it can feel like your family, spouse, significant other or children don’t care about how you feel. And this feeling of being unheard is often amplified when it comes to resolving complex family issues through the legal system.
Kelleher & Maceo, P.C., can be your voice. We will listen to your concerns and stand up for what you want in family court proceedings involving divorce, child custody and support, visitation, alimony and more. We can protect your rights and help you build a better tomorrow for you and your loved ones.