Costello, Mains & Silverman, LLC

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Is Your Employer Doing Something Illegal? Our Employment Law Attorneys Protect Whistleblowers.

We can help you stand up to your employer and get justice while protecting you and your job.

We have the answers you need to protect your rights as an employee.

Partners and Counsel of Costello, Mains & Silverman, LLC

Why Choose Costello, Mains & Silverman, LLC?

Board-Certified

Our legal team includes two partners certified by the New Jersey Supreme Court as civil trial attorneys.

Experienced Representation

Attorneys Kevin Costello, Deborah Mains and Daniel Silverman have over 40 years of experience fighting for the rights of New Jersey workers, individuals and families.

Fearless Advocacy

Our mission is to protect and assert your rights in employment, wage and hour, discrimination and personal injury cases.

A Proven Track Record Of Success In Employment Law Cases

Here are just a few examples of the over 400 successful case results we’ve achieved for clients over the past decade:

$11.8 Million Verdict For Denied Medical Leave

Our client was wrongly denied medical leave for treatment after being diagnosed with multiple sclerosis.

$2.2 Million Verdict For Whistleblower

Our client, a hospital lab tech, was fired for correctly pointing out that his supervisor did not have the legally required credentials for the job.

$1.35 Million Settlement For Gender Discrimination

Several plaintiffs who worked for the defendant company contended they were not fairly treated or compensated due to their gender.

$450,000 Settlement For Sexual Harassment

Multiple clients were continually sexually harassed by their supervisor, despite their complaints to the company.

How Can We Protect You In A Whistleblower Situation?

State and federal whistleblower laws protect workers who witness or suspect an employer of fraud, workplace safety and labor violations and other wrongdoing. If you report your employer for illegal activity, they cannot retaliate when you raise legitimate concerns.

Retaliation can include adverse actions such as threats, intimidation, demotion, transfer and termination. Other forms of retaliation include being given menial or demeaning tasks or unjustified negative performance reviews.

You can sue an employer who takes these actions and be compensated for the emotional, social and financial harm you suffer as a result. Our attorneys can determine if you have a viable case and will aggressively pursue your claims in state or federal court.

Partners and Counsels

Attorney Kevin M. Costello

Kevin M. Costello

Attorney Deborah L. Mains

Deborah L. Mains

Dan Silverman

Daniel T. Silverman

Headshot of attorney Jacquelyn R. Matchett

Jacquelyn R. Matchett

Miriam S. Edelstein

Call 866-944-3371 to get answers from an experienced attorney.

Or fill out the form and we’ll schedule your free case review.

Client Testimonial

“Everyone at the office has always been kind and helpful. They didn’t give up on my case no matter how BIG the company was that we were up against and no matter how long it was drawn out. Thank you Kevin and your team, Thank you!!”

— Billy Ray

“I would just like to thank Dan Silverman & the partners of Costello, Mains & Silverman, LLC for taking my case and resolving the issues. This case not only settled but in addition caused a major policy change. I have and will continue to recommend the law firm for any legal issue I will encounter.”

— Michael S.

“The staff at Costello, Mains & Silverman, LLC are prompt, courteous, don’t make promises that they can’t keep and are scrupulously honest in their dealings with their clients. I am more than satisfied with their attitude, service and professionalism. I highly recommend them.”

— Fran L.

Free Case Review

Call 866-944-3371 or fill out the form below for a free, immediate case evaluation.