Atty. Gillian Costello

Atty. Gillian Costello

Gillian Costello is a lawyer practicing employment / labor, entertainment, appeals. Gillian received a M.A. degree from New York University in 1991, and has been licensed for 29 years.

New York New York 29 yrs experience 29 year
Call (212) 257-3482 Book Appointment

Profile Summary

About Gillian Costello at a glance

Gillian Costello is a Member based in New York, New York, practicing at Spivak Lipton LLP. They have 29+ years of legal experience, licensed to practice since 1997. Their practice focuses on employment, appellate, and entertainment. Admitted to practice in New York (1997), U.S. District Court, Southern District of New York (1997), and U.S. District Court, Eastern District of New York (1997). Educated at Northeastern University (J.D., 1996) and New York University (M.A. University, 1991). Active member of The Association of the Bar of the City of New York New York State Bar Association. Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Gillian Costello is a lawyer practicing employment / labor, entertainment, appeals
  • Gillian received a M.A. degree from New York University in 1991, and has been licensed for 29 years
  • Gillian practices at Spivak Lipton LLP in New York, NY

Practice Areas Explained

Gillian Costello's Areas of Practice

Each practice area below reflects the types of cases Gillian Costello handles, with a brief overview of what that area of law covers.

Employment Law

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

Gillian Costello is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in New York →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

Gillian Costello is one of 86,319 appellate attorneys indexed nationally. Browse appellate attorneys in New York →

Entertainment & Sports Law

Entertainment lawyers for music, film, sports contracts, talent representation, and IP licensing.

Gillian Costello is one of 45,946 entertainment attorneys indexed nationally. Browse entertainment attorneys in New York →

Jurisdictional Context

Why local counsel matters in New York

Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in New York are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in New York courts without local counsel or pro hac vice admission.

Looking for additional New York attorneys? Browse all attorneys in New York or all attorneys in New York.

Frequently Asked

Common questions about Gillian Costello

Where is Gillian Costello's law office located?
Gillian Costello's law practice is located in New York, New York. The firm is Spivak Lipton LLP. You can contact the office directly through this profile page.
What practice areas does Gillian Costello handle?
Gillian Costello focuses on employment, appellate, entertainment. Each practice area listed reflects experience handling cases of that type in New York.
How long has Gillian Costello practiced law?
Gillian Costello has 29+ years of legal experience and has been licensed since 1997.
Where did Gillian Costello go to law school?
Gillian Costello earned their education at (J.D., 1996); (M.A. University, 1991).
How can I contact Gillian Costello for a consultation?
You can contact Gillian Costello directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
Northeastern University
- 1996
M.A. University
New York University
- 1991

Bar Admissions

New York
Admitted: 1997
U.S. District Court, Southern District of New York
Admitted: 1997
U.S. District Court, Eastern District of New York
Admitted: 1997

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