New York Security Litigation Lawyers

50 Years of Combined Experience

Zimmerman D’Costa LLP represents financial professionals and brokerage firms in regulatory matters, including SEC and FINRA investigations, enforcement actions, compliance issues and derivatives trading desk. We also represent clients in all of their wills, trusts and estates planning matters.

About Us

Zimmerman D’Costa LLP is a national full-service law firm specializing in securities litigation, elder law, real estate, and derivatives practice groups. The firm also has other affiliated practice groups which handles personal injury, criminal law, family law, and commercial litigation. We are committed to delivering strategic legal solutions while fostering collaboration across teams to meet client objectives effectively.

Flexible Fee Structures

Zimmerman D’Costa LLP offers flexible fee structures depending on the client’s needs. We are always seeking value for our clients to ensure that we are balancing the costs of legal services with the bottom line benefit provided to our clients.

Intake

An initial phase where we assess your situation, identify key legal issues, and outline the path forward to align strategy with your goals.

Analysis

We develop a tailored legal approach, exploring options and refining solutions that maximize value.

Execution

Full implementation of the agreed strategy, with transparent billing tied to measurable outcomes that serve your bottom line.

Practice Areas

Litigation

Derivatives

Estate Planning

Regulatory Matters

Efficient Legal Assistance

100% Client Satisfaction

Zimmerman D’Costa LLP strives to ensure that all of our clients are satisfied with our services.

Years of Experience

Zimmerman D’Costa LLP has over 50 years of combined experience.

Over 100Successful FINRA Arbitration Awards

10,000Managed Estate Clients

$1,000,000’sIn Client Income Saved

Team Members

Daniel D’CostaPartner

Daniel D’Costa, Esq. is a partner at Zimmerman D’Costa LLP. His practice focuses on FINRA...

Michael ZimmermanPartner

For over 30 years, Michael Zimmerman has been a trusted name in legal representation...

Latest Articles

March 20, 2025 By Zimmerman D’costa LLC FINRA Arbitrator Selection Process is Under Fire What probably would’ve been lost in the weeds of a Georgia State Court decision vacating a FINRA Arbitration Award has now caught fire and the eyes...

March 20, 2025 By Zimmerman D’costa LLC Beware of Release Agreements A former Wells Fargo customer and current client of D’Costa Law, P.C. located in Provo, Utah is asking a court to overturn an arbitration panel...

March 19, 2025 By Zimmerman D’costa LLC Recent FINRA Broker Complaints 03/2025 Alexandre Maltez (Merrill Lynch, Pierce, Fenner & Smith Incorporated Firm) – Broker Alexandre Maltez (Maltez), currently associated...

Client Reviews

I assisted my parents in hiring Daniel for a securities case in which my father was taken advantage of. Given the nature of the case, we were very cautious before hiring an attorney. We found Daniel to be extremely honest and upfront from the first phone call until the last. He was very patient and...

Ira P.

Daniel D’Costa carefully reviewed all documents and offered helpful and tactful advice. Daniel was incredibly responsive and very thorough. I feel confident signing anything that D’Costa Law P.C. has reviewed on my behalf.

Allison C.

I had the opportunity to work with Daniel D’Costa, of D’Costa Law, P.C. I very much appreciated and respected Mr. D’Costa’s professional approach while working to recover an investment that had totally lost its value. Mr. D’Costa kept me apprised throughout the process and worked to recover a...

D. Halstead

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