Ronan Peter O'Brien, Business Attorney in Watertown, Massachusetts
Over 30 years of legal practice · focused on Business, Consumer, and General
Watertown, MA
Practicing business in Watertown since 1996.
- 30+
- Years practicing
- 1
- Bar admission
Practices in
Are you Ronan Peter O'Brien?
This profile was built from public bar records and is still unclaimed. Claim it free to control your photo, bio, and fees — and get client inquiries sent straight to you.
Quick answer
Ronan Peter O'Brien is an attorney based in Watertown, MA. The practice focuses on Business, Consumer, and General. Ronan has over 30 years of legal experience.
- Based in
- Watertown, MA
- Experience
- over 30 years
- Known for
- Business · Consumer · General
- Handles Business, Consumer, and General matters from Watertown, MA.
- Over 30 years of practice as a licensed attorney.
About Ronan Peter O'Brien: Ronan Peter O'Brien is an attorney based in Watertown, MA. The practice focuses on Business, Consumer, and General. Ronan has over 30 years of legal experience.
Areas of practice
Ronan's practice areas in Watertown
Ronan concentrates on business, consumer, general, m&a, and securities. Each area below outlines the kind of case Ronan handles, typical outcomes to expect, and how the intake process starts.
Business
View other Business attorneys
Consumer
View other Consumer attorneys
General
View other General attorneys
M&A
View other M&A attorneys
Securities
View other Securities attorneys
Business cases in Watertown, Massachusetts
Ronan takes business matters in Watertown, 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 Ronan agrees to represent you.
Consumer cases in Watertown, Massachusetts
Ronan takes consumer matters in Watertown, 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 Ronan agrees to represent you.
General cases in Watertown, Massachusetts
Ronan takes general matters in Watertown, 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 Ronan agrees to represent you.
M&A cases in Watertown, Massachusetts
Ronan takes m&a matters in Watertown, 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 Ronan agrees to represent you.
Securities cases in Watertown, Massachusetts
Ronan takes securities matters in Watertown, 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 Ronan agrees to represent you.
Biography
Ronan Peter O'Brien, business attorney serving Watertown
Ronan Peter O'Brien is an attorney based in Watertown, MA. The practice focuses on Business, Consumer, and General. Ronan has over 30 years of legal experience. Ronan works from Watertown, Massachusetts and takes on business matters across the region.
Ronan Peter O'Brien is a lawyer practicing securities & investment fraud, corporate & securities, mergers & acquisitions and 1 other area of law. Ronan received a B.A. degree from Boston University in 1996, and has been licensed for 30 years. Ronan practices in Watertown, MA.
Ronan's approach to business cases
Ronan Peter O'Brien is a lawyer practicing securities & investment fraud, corporate & securities, mergers & acquisitions and 1 other area of law. Ronan received a B.A. degree from Boston University in 1996, and has been licensed for 30 years. Ronan practices in Watertown, MA.
The kind of cases Ronan takes
Ronan reviews new inquiries case-by-case for business, consumer, and general matters in Watertown and the surrounding Massachusetts area.
Credentials
Credentials — where Ronan studied and practices
Boston University School of Law
J.D. · 1996
Boston University
B.A. · 1996
Jurisdictions
Ronan's state bar admissions
Massachusetts
1996 · ACTIVE
Ronan studied at J.D. in Boston University School of Law and B.A. in Boston University.
Law school and academic background
Ronan completed J.D. in Boston University School of Law and B.A. in Boston University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Ronan runs in Massachusetts is where that training gets applied to real client questions.
Affiliations
Ronan's professional memberships and bar associations
Boston Bar Association American Bar Association
membership
Locations
Ronan Peter O'Brien's office in Watertown
Ronan's primary office is at 480 Arsenal Way, Watertown, MA, 02472-2891. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Ronan Peter O'Brien
Ronan has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.
No reviews yet
Only verified clients who have consulted with Ronan Peter O'Brien can leave a review.
Schedule your consultationHiring guide
How to hire Ronan Peter O'Brien — what to expect in your first consultation
Working with a new business attorney should feel structured. Here's how the first two conversations with Ronan usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Ronan charges for the initial consult. That fee is credited toward representation if you retain Ronan'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; Ronan will tell you what matters and what doesn't.
Questions to ask a business attorney in Watertown, 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 Ronan
Ronan 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. Ronan confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Ronan'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 Ronan Peter O'Brien
How much does it cost to hire Ronan for a business case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Ronan walks through the likely range during the consult so there are no surprises.
Does Ronan offer a free consultation?
Ronan charges for the initial consult; that fee is credited toward representation if you retain Ronan's office. Some business attorneys offer free consults — check Ronan'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. Ronan gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Ronan take my case if I'm outside Watertown?
Ronan 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 — Ronan 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 Ronan?
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. Ronan will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Ronan accepting new business clients right now?
Ronan'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 Watertown, Boston and Cambridge in Massachusetts
Ronan handles business matters throughout Massachusetts. Each city below is a direct link into the search page for verified business attorneys in that community.
More counsel
Other top-rated business attorneys in Massachusetts
If Ronan's intake is full or the fit isn't right, these business attorneys in Watertown handle similar matters. Every profile below is verified and open to consultations.





