Firm Overview
Since 1976, one of Long Island’s largest full-service firms
With over 70 attorneys practising in nearly 20 areas of law, Forchelli Deegan Terrana LLP brings the talent, skill, and experience to meet the legal needs of virtually any client — across the New York metropolitan area.
Our Story
Founded in 1976
Founded in 1976, Forchelli Deegan Terrana LLP has grown into one of Long Island’s largest and most distinguished full-service law firms.
With over 70 attorneys, the Firm provides legal services in nearly 20 different practice areas — with the honed talent, skill, and experience necessary to meet the legal needs of virtually any client.
By the Numbers
The firm at a glance
- Founded
- 1976
- Attorneys
- 70+
- Practice areas
- ~20
- Long Island offices
- 3
Our Clients
Who we serve
The Firm represents a broad range of clients across the public and private sectors — from Fortune 500 companies to individuals.
Fortune 500 & national businesses
Fortune 500 companies and national, regional, and local businesses.
Public, private & family-owned companies
Public, private, and family-owned companies across industries.
Developers, owners & contractors
Major real estate developers, property owners and operators, and contractors.
Banks
Banks financing projects and transactions across the region.
Municipalities & institutions
Municipalities, educational institutions, not-for-profits, and foundations.
Individuals
Individuals seeking trusted, personal legal counsel.
How We Work
One integrated team
The Firm and its attorneys pride themselves on personal attention and quality representation that is both practical and cost-effective.
Our attorneys are supported by a dedicated team of paralegals, law clerks, administrative and support staff, and cutting-edge office and communications technology.
Expertise
Counsel across the full business lifecycle
Our attorneys work across disciplines to help businesses, property owners, institutions, and families move from opportunity to outcome. Clients can draw on one coordinated team for transactions, regulatory matters, disputes, and long-term planning.
Recognition & Affiliations
Recognized by leading legal authorities
Community Involvement
Working alongside the communities we serve
The Firm’s policies show a dedication to social responsibility and are designed to encourage members of the firm to become actively involved in the community.
Attorneys and staff serve local nonprofits as volunteers, committee members, and board participants, and take part in initiatives from toy drives to school mentoring programs.
Women’s Initiative
Supporting women across the profession
The Women’s Initiative exists to promote a diverse and inclusive culture that is dedicated to empowering, strengthening, supporting and advancing the women attorneys of our Firm through equality and opportunity.
As the Firm puts it: we can only be a leading law firm by also being a leader in the advancement of women.
Our Offices
Three offices across Long Island
100 Motor Parkway, Suite 115, Hauppauge, NY 11788
444 New York Avenue, Huntington, NY 11743
Our People
Experience, collaboration, and personal attention
More than 70 attorneys bring focused experience to each engagement. Our leaders work alongside multidisciplinary teams so clients receive practical guidance from people who understand both the legal issue and the broader objective.
Ready to work with us?
Tell us about your matter and we’ll connect you with the right attorney.