Colleen Lyons

Colleen Lyons

recognized lawyers icon Recognized in Best Lawyers since 2010
Awarded Practice Areas
Business Organizations (including LLCs and Partnerships) Closely Held Companies and Family Businesses Law Corporate Law Mergers and Acquisitions Law
*Named the "Lawyer of the Year" in this practice area in the 2026 edition in Manchester.
Awarded Practice Areas
Business Organizations (including LLCs and Partnerships) Closely Held Companies and Family Businesses Law Corporate Law Mergers and Acquisitions Law
*Named the "Lawyer of the Year" in this practice area in the 2026 edition in Manchester.
Works at
Sheehan Phinney Bass & Green PA

35 Best Lawyers awards

Sheehan Phinney Bass & Green PA logo

Biography

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.
Works at
Sheehan Phinney Bass & Green PA

35 Best Lawyers awards

Sheehan Phinney Bass & Green PA logo

Locations

Education

  • Fordham University, J.D., graduated 1984
  • New York University, M.S.
  • Williams College, B.A.

Bar Admissions

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

Client Testimonials

Awards & Focus

Lawyer of the Year Badge - 2026 - Business Organizations (including LLCs and Partnerships) Lawyer of the Year Badge - 2024 - Business Organizations (including LLCs and Partnerships)
Named "Lawyer of the Year" by Best Lawyers® for:
  • Business Organizations (including LLCs and Partnerships), Manchester (2026)
  • Business Organizations (including LLCs and Partnerships), Manchester (2024)
Recognized in The Best Lawyers in America® 2026 for work in:
  • Business Organizations (including LLCs and Partnerships)
  • Closely Held Companies and Family Businesses Law
  • Corporate Law
  • Mergers and Acquisitions Law
Special Focus:
  • Mergers & Acquisitions

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