Included In
Martindale-Hubbell Peer Rated 2021
Super Lawyers - David H. Ben Asher Super Lawyers - Jonathan I. Nirenberg
Super Lawyers - Omar A. Lopez

Other Practice Areas

In addition to handling a wide range of employment law disputes, the attorneys at Rabner Baumgart Ben-Asher & Nirenberg, P.C. have the experience and expertise to assist you with numerous other legal and business matters.

Business Law and Entrepreneurial Services

We provide expert advice and representation regarding a wide range of business law issues. For instance, we are experienced in handling virtually every kind of business transaction from the simple to the complex, including contracts, operating agreements, partnership agreements and business purchases and restructuring.

In addition, we have extensive experience in business negotiations and litigation such as contract disputes, non-compete agreements and other restrictive covenants, executive compensation packages, severance agreements, partnership agreement and oppressed shareholder disputes. We also provide advice and assistance to business entrepreneurs and small business owners to help them launch, grow, buy and sell small businesses.

Family Law

We handle matrimonial matters including separation, divorce, prenuptial agreements and postnuptial agreements. In addition, whether in the context of divorce or otherwise, we handle family law issues involving custody, parenting time, child support, relocation, grandparental rights and adoption.

Preparing for family law situations can be extremely important. We therefore encourage you to contact us today with your questions.

Tax and Estate Law

Our firm can provide expert representation with respect to tax and estate law matters such as drafting and updating wills, trusts, healthcare proxies and powers of attorney as part of planning your overall estate planning. Likewise, we provide sophisticated tax advice to our clients, including such advice stemming from the employment law, business and family law matters we handle.

Land Use and Zoning Law

We handle land use and zoning law matters in New Jersey, including presenting land development applications on behalf of developers and builders, businesses and residential property owners.

Appellate Attorneys

Our appellate attorneys handle not only employment law appeals involving a wide range of workplace issues, but also appeals involving business, contract and family law disputes as well as a variety of other civil appeals.


Our law firm has four trained mediators who serve as neutrals in both privately retained and court-ordered mediation to facilitate resolution of cases involving employment law and business law as well as land use disputes. Each of our mediators has a track record of helping parties and counsel achieve early, efficient and amicable resolution of disputes without all of the attendant stress, expense and unpredictability of litigation.

Landlord-Tenant Law

Tenancy situations are governed by practices unique to the field. Our attorneys know them and how to utilize them to your advantage. We represent both landlords and tenants in commercial and residential properties with respect to negotiating and drafting leases and handling problems arising during their tenancy and dispossess actions.

Contact Us Today

With our office in Essex County, New Jersey, the attorneys at Rabner Baumgart Ben-Asher & Nirenberg use our diverse knowledge and experience to provide comprehensive representation and advice on a variety of legal issues and disputes.

For more information about one of our practice areas or to schedule a consultation with an attorney you can either contact us online or call us at (973) 744-4000. Our office is located at 52 Upper Montclair Plaza in Upper Montclair, New Jersey 07043.

Client Reviews
"I worked with Jonathan Nirenberg, ESQ on a sensitive emotional employment matter. Mr. Nirenberg was quick to respond, offered excellent advice, and always followed up with phone calls or emails when needed. My situation was settled out of court within a short period of time with the best possible results for not just me but also for the employer. Highly recommend and would seek his help again if needed..." Linda Busch, PhD
"We've had the pleasure of working with Jonathan on multiple individual and class employment cases. Jonathan is a skilled, dedicated and caring attorney that works diligently to bring justice for his clients. We would recommend Jonathan as a legal resource for any employment cases." Stephan Zouras, LLP
"I felt alone and without a voice, until I hired Jonathan I. Nirenberg of Rabner Baumgart Ben-Asher & Nirenberg, P.C. Mr. Nirenberg represented me in an employment matter. Without his help, I know that I would not have had the extremely successful outcome I had. Jonathan was not only professional, but very empathetic to what happened to me. Jonathan gave me support, and options in relation to a challenging employer/employment situation which was an extremely difficult time in my life..." Shelly Smith