About Our Attorneys

Keil & Siegel: Skilled New York Divorce Attorneys

Keil & Siegel, L.L.P. are skilled NY divorce attorneys licensed to practice law in the State of New York with over a dozen years of experience in the field of matrimonial and family law. We concentrate our practice on contested and uncontested divorces, prenuptial/postnuptial agreements, legal separation, custody, support and all other areas of family law. Our mediation and collaborative law practice are a very cost effective way in which to resolve marital disputes in an amicable manner. We represent clients in all phases of litigation throughout Long Island and New York City (including all five boroughs).

Full service law firm serving New York Metro Area and Long Island

We are a full service law firm practicing throughout Long Island and the New York metro areas. As experienced NY divorce lawyers, we understand that family disputes are difficult to endure. We are dedicated to resolving your matter quickly. Our divorce attorneys strive to provide our clients with the counsel, attention and sensitivity necessary to achieve the best legal outcome.

Our goal is to provide every client with quality service at a reasonable cost. When communicating with our office, you will experience the value of working with professionals that will treat you with respect. We are available seven days a week.

The decisions you make concerning your divorce will affect you for a lifetime. The decision to retain Keil & Siegel LLP. for your divorce provides you with an advantage. We have the skills to evaluate your case, protect your rights, and resolve your matter to the optimum outcome.

Our divorce attorneys routinely practice in the Family and Supreme Courts in Nassau and Suffolk Counties (Great Neck, Islip, Mineola, Hicksville, Garden City, Port Washington and beyond) and in New York City, Queens, Brooklyn, Bronx and Staten Island.

Attorney Profile – Alison Keil


Keil & Siegel is a family-oriented law firm with uniquely close attorney-client relationships. We are here for our clients 24/7 and always offer, and find, that we can resolve differences outside of court where appropriate. We take the time to hear the entire history, and to get to know about the children and family before making legal decisions that can impact a client. My clients keep in touch with me years down the road and appreciate the closeness and careful decision making process. I am constantly referred to children, cousins, neighbors and friends through word of mouth. There is simply no stone unturned in each matter; my clients are my top priority. -Alison

Alison Keil Esq. focuses her practice on family and matrimonial law and serves as a powerful advocate for all clients, guiding them through difficult divorces and complex family issues. She has appeared in Supreme and Family Courts in all five boroughs of New York City and Long Island. For well over a decade, she has represented individuals in contested and uncontested matrimonial actions, child-related matters including custody, visitation, relocation and paternity, as well as mediation and collaborative law processes. Alison regularly negotiates prenuptial, postnuptial, settlement and separation agreements, and advises clients regarding pension and retirement plans, stock options, trusts, limited partnerships, closely held corporations, and the valuation of businesses, professional licenses, enhanced earning capacity and celebrity status.

It is the passion and attention to each client that has led Alison to achieve a reputation for devotion and service. Her reputation reflects the sincere personal commitment made to each of client and the unique circumstances of each matter. Alison strives to make all family law issues easier for those undergoing them, and has devoted her legal career to serving individuals in need of legal guidance through challenging times. It is this deep commitment to her clients that enables her to serve them in a more powerful way, fighting to protect their interests as if each client were her own family.

Alison graduated from the University of Michigan. During her studies she spent one year studying abroad at the Spanish American Institute in Seville, Spain. Thereafter, Alison attended the Cardozo School of Law where she served as an Editor of the Arts and Entertainment Law Journal and worked in the Family Court for the Advocates for Battered Women. Prior to founding Keil & Siegel LLP, Alison practiced exclusively family and matrimonial law as an Associate at Cohen, Goldstein & Silpe LLP and thereafter at Katsky Korins LLP.

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