Diserio Martin O'Connor & Castiglioni LLP

Diserio Martin O'Connor & Castiglioni LLP is a leading full-service law firm that provides corporate and individual clients with a wide range of services in the areas of litigation, corporate law, real estate and trusts & estate planning and administration. 

Based in Stamford, Connecticut, the firm also maintains offices in Greenwich, Connecticut, The Graybar Building in New York City, and White Plains, New York.  The firm's mission is to serve the legal needs of its corporate and individual clients professionally, effectively and efficiently.  Utilizing the firm's legal expertise, creativity, technology and management skills, we consistently provide our clients with professional, cost-effective legal services. 

Our practice areas provide traditional services to corporate and individual clients such as corporate finance, private placements and offerings of securities, tax, litigation, commercial real estate, commercial leasing, residential real estate, mergers and acquisitions, sale of assetts, wills, trusts and estate planning and administration, and labor and employment advice. We also have leading practices in alternative dispute resolution, bankruptcy, restructuring, workouts, reorganizations, broker-dealer regulation, employee benefits and executive compensation, entertainment, licensing, trade secrets, inventions, severance and termination agreements, non-competition and non-solicitation.

You will find detailed descriptions of our practice groups by clicking on the following list:

Please explore our site to learn more about us, our attorneys, our practice areas, and how we can help you with your legal needs. If you have any questions, or to speak with an attorney regarding your legal matter, contact us. If you prefer, you may e-mail us or fill out the form on the Contact Us page of this website, and a representative from our firm will be in touch with you.

Connecticut Offices

One Atlantic Street
Stamford, CT 06901
(203) 358-0800
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35 Mason Street
Greenwich, CT 06830
(203) 622-4100
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Manhattan Office

The Graybar Building
420 Lexington Avenue
Suite 1430
New York , NY 10170
(212) 616-3094
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White Plains Office

50 Main Street
Suite 1000
White Plains, NY 10606
(914) 684-0090
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