Atty. Colleen Lyons

Atty. Colleen Lyons

Colleen has represented a wide assortment of public and private companies. However, the primary focus of her practice involves the representation of small- and medium-sized entities concerning matters ranging from entity selection, formation and structuring to counseling regarding ongoing operational and governance matters.

Call (603) 668-0300

Profile Summary

About Colleen Lyons at a glance

Colleen Lyons is a family law, business, and m&a attorney based in Manchester, New Hampshire, practicing at Sheehan Phinney Bass & Green PA. Admitted to practice in Connecticut, Connecticut Bar Association, New York, New York State Bar Association, and New Hampshire, New Hampshire Bar Association. Educated at Fordham University (J.D., 1984) and New York University (—). Recognitions include Lawyer of the Year — Business Organizations (including LLCs and Partnerships) (Manchester) (2026), Best Lawyers in America — Business Organizations (including LLCs and Partnerships) (2026), and Best Lawyers in America — Closely Held Companies and Family Businesses Law (2026). Serves clients in Manchester, NH and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Colleen has represented a wide assortment of public and private companies
  • However, the primary focus of her practice involves the representation of small- and medium-sized entities concerning matters ranging from entity selection, formation and structuring to counseling regarding ongoing operational and governance matters
  • She has a broad-based transactional practice with particular emphasis in mergers and acquisitions, venture capital financings, commercial contracts and commercial lending
  • In addition, she frequently has acted as local counsel in multi-jurisdictional transactions and provides legal advice to foreign companies with respect to their business affiliates in the United States

Practice Areas Explained

Colleen Lyons's Areas of Practice

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

Family Law

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Colleen Lyons is one of 167,063 family law attorneys indexed nationally. Browse family law attorneys in New Hampshire →

Business & Corporate Law

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

Colleen Lyons is one of 452,854 business attorneys indexed nationally. Browse business attorneys in New Hampshire →

Mergers & Acquisitions

Colleen Lyons is one of 45,724 m&a attorneys indexed nationally. Browse m&a attorneys in New Hampshire →

Jurisdictional Context

Why local counsel matters in New Hampshire

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

Looking for additional New Hampshire attorneys? Browse all attorneys in Manchester or all attorneys in New Hampshire.

Frequently Asked

Common questions about Colleen Lyons

Where is Colleen Lyons's law office located?
Colleen Lyons's law practice is located in Manchester, New Hampshire. The firm is Sheehan Phinney Bass & Green PA. You can contact the office directly through this profile page.
What practice areas does Colleen Lyons handle?
Colleen Lyons focuses on family law, business, m&a. Each practice area listed reflects experience handling cases of that type in New Hampshire.
Where did Colleen Lyons go to law school?
Colleen Lyons earned their education at (J.D., 1984); (—); (B.A.).
How can I contact Colleen Lyons for a consultation?
You can contact Colleen Lyons 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.
What awards or recognition has Colleen Lyons received?
Colleen Lyons's notable recognition includes: Lawyer of the Year — Business Organizations (including LLCs and Partnerships) (Manchester); Best Lawyers in America — Business Organizations (including LLCs and Partnerships); Best Lawyers in America — Closely Held Companies and Family Businesses Law; Best Lawyers in America — Corporate Law; Best Lawyers in America — Mergers and Acquisitions Law.

Education

J.D.
Fordham University
- 1984
New York University
- In Progress
B.A.
Williams College
- In Progress

Awards

Lawyer of the Year — Business Organizations (including LLCs and Partnerships) (Manchester)
- 2026
Best Lawyers in America — Business Organizations (including LLCs and Partnerships)
- 2026
Best Lawyers in America — Closely Held Companies and Family Businesses Law
- 2026
Best Lawyers in America — Corporate Law
- 2026
Best Lawyers in America — Mergers and Acquisitions Law
- 2026
Best Lawyers in America — Special Focus:
- 2026
Best Lawyers in America — Mergers & Acquisitions
- 2026
Lawyer of the Year — Business Organizations (including LLCs and Partnerships) (Manchester)
- 2024

Bar Admissions

Connecticut, Connecticut Bar Association
New York, New York State Bar Association
New Hampshire, New Hampshire Bar Association

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