
John G. O'Neill, Business Attorney in Boston, Massachusetts
Over 31 years of legal practice · focused on Business, General, and Insurance
PartneratSugarman, Rogers, Barshak & Cohen, P.C.
Boston, MA
Practicing business in Boston since 1995.
- 31+
- Years practicing
- 2
- Bar admissions
Are you John G. O'Neill?
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Quick answer
John G. O'Neill is a partner based in Boston, MA. The practice focuses on Business, General, and Insurance. John has over 31 years of legal experience. Currently practicing at Sugarman, Rogers, Barshak & Cohen, P.C..
- Based in
- Boston, MA
- Experience
- over 31 years
- Known for
- Business · General · Insurance
- Handles Business, General, and Insurance matters from Boston, MA.
- Over 31 years of practice as a licensed attorney.
About John G. O'Neill: John G. O'Neill is a partner based in Boston, MA. The practice focuses on Business, General, and Insurance. John has over 31 years of legal experience. Currently practicing at Sugarman, Rogers, Barshak & Cohen, P.C..
Areas of practice
Practice areas handled by John G. O'Neill
John concentrates on business, general, insurance, litigation, and product liability. Each area below outlines the kind of case John handles, typical outcomes to expect, and how the intake process starts.
Business
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General
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Insurance
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Litigation
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Product Liability
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Business cases in Boston, Massachusetts
John takes business matters in Boston, Massachusetts. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before John agrees to represent you.
General cases in Boston, Massachusetts
John takes general matters in Boston, Massachusetts. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before John agrees to represent you.
Insurance cases in Boston, Massachusetts
John takes insurance matters in Boston, Massachusetts. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before John agrees to represent you.
Litigation cases in Boston, Massachusetts
John takes litigation matters in Boston, Massachusetts. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before John agrees to represent you.
Product Liability cases in Boston, Massachusetts
John takes product liability matters in Boston, Massachusetts. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before John agrees to represent you.
Biography
About John G. O'Neill — Over 31 years of Massachusetts business experience
John G. O'Neill is a partner based in Boston, MA. The practice focuses on Business, General, and Insurance. John has over 31 years of legal experience. Currently practicing at Sugarman, Rogers, Barshak & Cohen, P.C..
John G. O'Neill is a lawyer practicing business litigation, insurance and reinsurance, product liability and 2 other areas of law. John received a B.B.A. degree from University of Massachusetts in 1992, and has been licensed for 31 years. John practices at Sugarman, Rogers, Barshak & Cohen, P.C. in Boston, MA.
Working with John on a business matter
John G. O'Neill is a lawyer practicing business litigation, insurance and reinsurance, product liability and 2 other areas of law. John received a B.B.A. degree from University of Massachusetts in 1992, and has been licensed for 31 years. John practices at Sugarman, Rogers, Barshak & Cohen, P.C. in Boston, MA.
Who John represents
John reviews new inquiries case-by-case for business, general, and insurance matters in Boston and the surrounding Massachusetts area.
Credentials
John G. O'Neill's legal education and bar admissions
Boston College Law School
J.D. · 1995
University of Massachusetts
B.B.A. · 1992
Jurisdictions
John's state bar admissions
New York U.S. Distri
1997 · ACTIVE
Massachusetts
1995 · ACTIVE
John studied at J.D. in Boston College Law School and B.B.A. in University of Massachusetts.
Law school and academic background
John completed J.D. in Boston College Law School and B.B.A. in University of Massachusetts. Formal legal training is one signal of substantive knowledge — the day-to-day practice John runs in Massachusetts is where that training gets applied to real client questions.
Affiliations
John's professional memberships and bar associations
Memberships: •Boston Bar Association •Massachusetts Bar Association •Professional Liability Underwriting Society
membership
Locations
John G. O'Neill's office in Boston
John's primary office is at 101 Merrimac Street, Boston, MA, 02114-4737. In-person meetings are by appointment; a phone intake usually comes first.
Sugarman, Rogers, Barshak & Cohen, P.C.
101 Merrimac Street
Boston, MA 02114-4737
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Client reviews of John G. O'Neill
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Schedule your consultationHiring guide
How to hire John G. O'Neill — what to expect in your first consultation
Working with a new business attorney should feel structured. Here's how the first two conversations with John usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
John charges for the initial consult. That fee is credited toward representation if you retain John's office.
What to bring to your first meeting
Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; John will tell you what matters and what doesn't.
Questions to ask a business attorney in Boston, Massachusetts
A short list to run through before you commit: How many business matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?
Fees & payment
Fees, payment methods, and consultation options for John
John discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in business practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every business matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. John confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
John's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many business practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about John G. O'Neill
How much does it cost to hire John for a business case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. John walks through the likely range during the consult so there are no surprises.
Does John offer a free consultation?
John charges for the initial consult; that fee is credited toward representation if you retain John's office. Some business attorneys offer free consults — check John's current terms during booking.
How long do business cases in Massachusetts typically take?
Simple business matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. John gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can John take my case if I'm outside Boston?
John is licensed in Massachusetts. Matters governed by Massachusetts law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — John will tell you if the case is a fit or refer you to someone closer to your court.
What should I bring to my first meeting with John?
Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. John will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is John accepting new business clients right now?
John's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Business attorneys serving Boston, Cambridge and Worcester in Massachusetts
John handles business matters throughout Massachusetts. Each city below is a direct link into the search page for verified business attorneys in that community.
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