
In the News
At KCS Law, our Nassau County criminal defense lawyers understand that your legal situation is a pressing matter that needs the attention of a skilled and effective legal team. Since 1988, we have provided our clients throughout Long Island with a strong defense and skillful negotiation as they face criminal and municipal matters. If you are charged with a crime, you must choose a firm that is ready to fight for your rights. We are that firm. Contact KCS Law today to learn more about how we can guide you through the legal process.
We have the experience needed to zealously advocate for our clients in a wide variety of criminal matters, including DUIs, drug crimes, violent crimes, larceny, sex crimes, weapons charges, juvenile crimes, and more. Our firm also handles a wide variety of municipal cases. If you are facing serious legal consequences and need an attorney with years of experience to represent your best interests, contact KCS Law.
Awards
Practice Areas
Here at KCS Law, we are dedicated to representing individuals in Nassau County and throughout Long Island who have been charged with all types of crimes, including the following:
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— Julie G.
“He reminds you he is with you through it all. He makes you feel important and makes your case a priority. He is simply the best, and I’ll forever be grateful to him during a scary time.”
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— Diandre W.
“Mr. Karl Seman is the best lawyer I’ve ever encountered EVER! He handled my situation with grace, resilience, and perseverance, very detailed and to the point. Wish more people in the world were as brilliant & of excellence as Mr. Seman. Best decision I’ve made in life so far, retaining him.”
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— Esmir K.
“The law firm was beyond helpful in my situation. Mr. Seman was kind, helpful, and really showed compassion for me. 10/10”
Why KCS Law?
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Former
Prosecutor -
24/7
Availability -
Decades of
Experience -
Hundreds of
Successful Cases

Not a Salesman.
An Attorney You Can Trust.
KCS Law cares about our clients on a personal level. When you hire our Long Island criminal attorneys, you get an effective legal defense coupled with compassionate guidance. We pride ourselves in providing client-centered representation.
We are always honest and forthcoming in our consultations, and we will ensure that you fully understand the ramifications of your legal matter so you can make educated decisions about your future. If you need our legal assistance, do not hesitate to contact our firm for a consultation.

Nassau County DUI Attorneys
Serving Long Island & NYC
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