Atty. Sean A. Hagan

Atty. Sean A. Hagan

Sean A. Hagan is a lawyer practicing estate planning, probate, tax and 3 other areas of law.

Boston Boston 12 yrs experience 12 year
Call (857) 356-4478 Book Appointment

Profile Summary

About Sean A. Hagan at a glance

Sean A. Hagan is a formation, trusts, probate, estate planning, and business attorney based in Boston, Massachusetts, practicing at Long Hagan Huff-Harris, P.C.. They have 12+ years of legal experience, licensed to practice since 2014. Admitted to practice in Massachusetts (2014). Educated at Boston University School of Law (LL.M, 2014). Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Sean A. Hagan is a lawyer practicing estate planning, probate, tax and 3 other areas of law
  • Sean has been licensed for 12 years
  • Sean practices at Long Hagan Huff-Harris, P.C. in Boston, MA

Practice Areas Explained

Sean A. Hagan's Areas of Practice

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

Business Formation

Sean A. Hagan is one of 35,584 formation attorneys indexed nationally. Browse formation attorneys in Massachusetts →

Trusts

Sean A. Hagan is one of 104,171 trusts attorneys indexed nationally. Browse trusts attorneys in Massachusetts →

Probate

Sean A. Hagan is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Massachusetts →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

Sean A. Hagan is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in Massachusetts →

Business & Corporate Law

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

Sean A. Hagan is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Massachusetts →

Jurisdictional Context

Why local counsel matters in Massachusetts

Practicing law in Massachusetts. Legal matters in Massachusetts are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Boston are typically filed in the local municipal court or the appropriate Massachusetts state district court, depending on subject matter and amount in controversy. An attorney licensed in Massachusetts 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 Massachusetts courts without local counsel or pro hac vice admission.

Looking for additional Massachusetts attorneys? Browse all attorneys in Boston or all attorneys in Massachusetts.

Frequently Asked

Common questions about Sean A. Hagan

Where is Sean A. Hagan's law office located?
Sean A. Hagan's law practice is located in Boston, Massachusetts. The firm is Long Hagan Huff-Harris, P.C.. You can contact the office directly through this profile page.
What practice areas does Sean A. Hagan handle?
Sean A. Hagan focuses on formation, trusts, probate, estate planning, business. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has Sean A. Hagan practiced law?
Sean A. Hagan has 12+ years of legal experience and has been licensed since 2014.
Where did Sean A. Hagan go to law school?
Sean A. Hagan earned their education at (LL.M, 2014).
How can I contact Sean A. Hagan for a consultation?
You can contact Sean A. Hagan 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

LL.M
Boston University School of Law
- 2014

Bar Admissions

Massachusetts
Admitted: 2014

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