Kate O'Neill Buccieri, Business Attorney in San Francisco, California
Over 19 years of legal practice · focused on Business, Consumer, and Litigation
AssociateatMarkun Zusman & Compton, LLP
San Francisco, CA
Practicing business in San Francisco since 2007.
- 19+
- Years practicing
- 2
- Bar admissions
Practices in
Are you Kate O'Neill Buccieri?
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
Kate O'Neill Buccieri is an associate based in San Francisco, CA. The practice focuses on Business, Consumer, and Litigation. Kate has over 19 years of legal experience. Currently practicing at Markun Zusman & Compton, LLP.
- Based in
- San Francisco, CA
- Experience
- over 19 years
- Known for
- Business · Consumer · Litigation
- Handles Business, Consumer, and Litigation matters from San Francisco, CA.
- Over 19 years of practice as a licensed attorney.
About Kate O'Neill Buccieri: Kate O'Neill Buccieri is an associate based in San Francisco, CA. The practice focuses on Business, Consumer, and Litigation. Kate has over 19 years of legal experience. Currently practicing at Markun Zusman & Compton, LLP.
Areas of practice
Practice areas handled by Kate O'Neill Buccieri
Kate concentrates on business, consumer, litigation, and securities. Each area below outlines the kind of case Kate handles, typical outcomes to expect, and how the intake process starts.
Business
View other Business attorneys
Consumer
View other Consumer attorneys
Litigation
View other Litigation attorneys
Securities
View other Securities attorneys
Business cases in San Francisco, California
Kate takes business matters in San Francisco, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Kate agrees to represent you.
Consumer cases in San Francisco, California
Kate takes consumer matters in San Francisco, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Kate agrees to represent you.
Litigation cases in San Francisco, California
Kate takes litigation matters in San Francisco, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Kate agrees to represent you.
Securities cases in San Francisco, California
Kate takes securities matters in San Francisco, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Kate agrees to represent you.
Biography
About Kate O'Neill Buccieri — Over 19 years of California business experience
Kate O'Neill Buccieri is an associate based in San Francisco, CA. The practice focuses on Business, Consumer, and Litigation. Kate has over 19 years of legal experience. Currently practicing at Markun Zusman & Compton, LLP.
Kate O'Neill Buccieri is a lawyer practicing securities, civil litigation, securities / investment fraud and 1 other area of law. Kate received a B.S. degree from Georgetown University in 2001, and has been licensed for 19 years. Kate practices at Markun Zusman & Compton, LLP in San Francisco, CA.
How Kate handles business matters
Kate O'Neill Buccieri is a lawyer practicing securities, civil litigation, securities / investment fraud and 1 other area of law. Kate received a B.S. degree from Georgetown University in 2001, and has been licensed for 19 years. Kate practices at Markun Zusman & Compton, LLP in San Francisco, CA.
The kind of cases Kate takes
Kate reviews new inquiries case-by-case for business, consumer, and litigation matters in San Francisco and the surrounding California area.
Credentials
Kate O'Neill Buccieri's legal education and bar admissions
University of San Francisco
J.D. · 2007
Georgetown University
B.S. Chemistry · 2001
Jurisdictions
Kate's state bar admissions
U.S. District Court,
2008 · ACTIVE
California
2007 · ACTIVE
Kate studied at J.D. in University of San Francisco and B.S. Chemistry in Georgetown University.
Law school and academic background
Kate completed J.D. in University of San Francisco and B.S. Chemistry in Georgetown University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Kate runs in California is where that training gets applied to real client questions.
Locations
Kate O'Neill Buccieri's office in San Francisco
Kate's primary office is at 465 California Street, 5th Floor, San Francisco, CA, 94104. In-person meetings are by appointment; a phone intake usually comes first.
Markun Zusman & Compton, LLP
465 California Street, 5th Floor
San Francisco, CA 94104
Open in Google MapsClient feedback
Client reviews of Kate O'Neill Buccieri
Kate 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 Kate O'Neill Buccieri can leave a review.
Schedule your consultationHiring guide
How to hire Kate O'Neill Buccieri — what to expect in your first consultation
Working with a new business attorney should feel structured. Here's how the first two conversations with Kate usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Kate charges for the initial consult. That fee is credited toward representation if you retain Kate'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; Kate will tell you what matters and what doesn't.
Questions to ask a business attorney in San Francisco, California
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 Kate
Kate 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. Kate confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Kate'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 Kate O'Neill Buccieri
How much does it cost to hire Kate for a business case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Kate walks through the likely range during the consult so there are no surprises.
Does Kate offer a free consultation?
Kate charges for the initial consult; that fee is credited toward representation if you retain Kate's office. Some business attorneys offer free consults — check Kate's current terms during booking.
How long do business cases in California 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. Kate gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Kate take my case if I'm outside San Francisco?
Kate is licensed in California. Matters governed by California law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Kate 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 Kate?
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. Kate will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Kate accepting new business clients right now?
Kate'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 San Francisco, Los Angeles and San Diego in California
Kate handles business matters throughout California. Each city below is a direct link into the search page for verified business attorneys in that community.
- San Francisco26,380 attorneys
- Los Angeles39,975 attorneys
- San Diego16,903 attorneys
- Sacramento10,561 attorneys
- Irvine6,831 attorneys
- Oakland5,709 attorneys
- San Jose5,009 attorneys
- Palo Alto4,084 attorneys
- Beverly Hills3,348 attorneys
- Newport Beach3,106 attorneys
- Pasadena2,894 attorneys
- Santa Monica2,756 attorneys
More counsel
Other top-rated business attorneys in California
If Kate's intake is full or the fit isn't right, these business attorneys in San Francisco handle similar matters. Every profile below is verified and open to consultations.




