Atty. Mark J. Horowitz

Atty. Mark J. Horowitz

Mark J. Horowitz is a lawyer practicing securities, mergers and acquisitions, corporate law.

New York New York 29 yrs experience 29 year
Call (347) 899-3798 Book Appointment

Corporate Law & More Attorney · Serving New York, NY · 29+ Years Experience

Profile Summary

About Mark J. Horowitz at a Glance

Mark J. Horowitz is a business, m&a, and securities attorney based in New York, New York. They have 29+ years of legal experience, licensed to practice since 1997. Admitted to practice in New York (1997). Educated at Harvard University (J.D., 1996) and University of Michigan (B.A., 1993). Serves clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Mark J. Horowitz

  • Mark J. Horowitz is a lawyer practicing securities, mergers and acquisitions, corporate law
  • Mark received a B.A. degree from University of Michigan in 1993, and has been licensed for 29 years
  • Mark practices in New York, NY

Practice Areas Explained

Mark J. Horowitz's Areas of Legal Practice

Each practice area below reflects the types of cases Mark J. Horowitz handles, with a practical overview of what that area of law involves and how it may apply to your situation in New York.

Business & Corporate Law in New York

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Mark J. Horowitz is one of 497,491 business attorneys indexed nationally. Browse business attorneys in New York →

Mergers & Acquisitions in New York

Mark J. Horowitz is one of 49,430 m&a attorneys indexed nationally. Browse m&a attorneys in New York →

Securities Law in New York

Mark J. Horowitz is one of 64,075 securities attorneys indexed nationally. Browse securities 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 venue, 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.

New York Courts and Legal Process

Choosing a New York-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

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

Frequently Asked

Common Questions About Mark J. Horowitz

Where is Mark J. Horowitz's law office located?
Mark J. Horowitz's law practice is located in New York, New York. You can contact the office directly through this profile page.
What practice areas does Mark J. Horowitz handle?
Mark J. Horowitz focuses on business, m&a, securities. Each practice area listed reflects experience handling cases of that type in New York.
How long has Mark J. Horowitz practiced law?
Mark J. Horowitz has 29+ years of legal experience and has been licensed since 1997.
Where did Mark J. Horowitz go to law school?
Mark J. Horowitz earned their education at (J.D., 1996); (B.A., 1993).
How can I contact Mark J. Horowitz for a consultation?
You can contact Mark J. Horowitz 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.

Professional Profile

Why Clients in New York Choose Mark J. Horowitz

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Mark J. Horowitz's practice in the field of business, m&a, and securities.

Decade-Tested Legal Experience

Mark J. Horowitz brings 29+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Broad Practice Area Coverage

Covering business, m&a, and securities, Mark J. Horowitz can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in New York

A New York-based practice means Mark J. Horowitz attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues Mark J. Horowitz Handles in New York

Below is a representative sample of the types of matters Mark J. Horowitz has experience with under New York law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business

This list is illustrative, not exhaustive. Contact Mark J. Horowitz directly to discuss the specifics of your situation.

Search Reference

How People Find Mark J. Horowitz Online

Prospective clients searching for legal help in New York commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Mark J. Horowitz.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Mark J. Horowitz directly.

Mark J. Horowitz's Practice Areas & Specializations

Education & Law School Background

J.D.
Harvard University
- 1996
B.A.
University of Michigan
- 1993

Bar Admissions & Licensed Jurisdictions

New York
Admitted: 1997

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