
William Thomas Hennessey III, Business Attorney in West Palm Beach, Florida
Over 29 years of legal practice · focused on Business, Estate Planning, and General · 5.0/5 rating from 1 verified client review
ShareholderatGunster, Yoakley & Stewart, P.A.
West Palm Beach, FL
Practicing business in West Palm Beach since 1997.
- 29+
- Years practicing
- 5.0 ★
- 1 client review
- 1
- Bar admission
Are you William Thomas Hennessey III?
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Quick answer
William Thomas Hennessey III is a shareholder based in West Palm Beach, FL. The practice focuses on Business, Estate Planning, and General. William has over 29 years of legal experience. Currently practicing at Gunster, Yoakley & Stewart, P.A.. Rated 5.0 out of 5 from 1 client review.
- Based in
- West Palm Beach, FL
- Experience
- over 29 years
- Known for
- Business · Estate Planning · General
- Handles Business, Estate Planning, and General matters from West Palm Beach, FL.
- Over 29 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About William Thomas Hennessey III: William Thomas Hennessey III is a shareholder based in West Palm Beach, FL. The practice focuses on Business, Estate Planning, and General. William has over 29 years of legal experience. Currently practicing at Gunster, Yoakley & Stewart, P.A.. Rated 5.0 out of 5 from 1 client review.
Areas of practice
Practice areas handled by William Thomas Hennessey III
William concentrates on business, estate planning, general, poa, and probate. Each area below outlines the kind of case William handles, typical outcomes to expect, and how the intake process starts.
Business
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Estate Planning
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General
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POA
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Probate
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Real Estate
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Tax
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Trusts
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Wills
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Elder Law
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Business cases in West Palm Beach, Florida
William takes business matters in West Palm Beach, Florida. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before William agrees to represent you.
Estate Planning cases in West Palm Beach, Florida
William takes estate planning matters in West Palm Beach, Florida. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before William agrees to represent you.
General cases in West Palm Beach, Florida
William takes general matters in West Palm Beach, Florida. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before William agrees to represent you.
POA cases in West Palm Beach, Florida
William takes poa matters in West Palm Beach, Florida. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before William agrees to represent you.
Probate cases in West Palm Beach, Florida
William takes probate matters in West Palm Beach, Florida. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before William agrees to represent you.
Biography
About William Thomas Hennessey III — Over 29 years of Florida business experience
William Thomas Hennessey III is a shareholder based in West Palm Beach, FL. The practice focuses on Business, Estate Planning, and General. William has over 29 years of legal experience. Currently practicing at Gunster, Yoakley & Stewart, P.A.. Rated 5.0 out of 5 from 1 client review.
Mr. William Thomas Hennessey III is a lawyer practicing probate & trust, business succession planning, complex and disputed estate and trust administration and 9 other areas of law. William received a B.S. degree from University of Florida in 1993, and has been licensed for 29 years. William practices at Gunster, Yoakley & Stewart, P.A. in West Palm Beach, FL.
How William handles business matters
Mr. William Thomas Hennessey III is a lawyer practicing probate & trust, business succession planning, complex and disputed estate and trust administration and 9 other areas of law. William received a B.S. degree from University of Florida in 1993, and has been licensed for 29 years. William practices at Gunster, Yoakley & Stewart, P.A. in West Palm Beach, FL.
Who William represents
William reviews new inquiries case-by-case for business, estate planning, and general matters in West Palm Beach and the surrounding Florida area.
Credentials
William Thomas Hennessey III's legal education and bar admissions
University of Florida
J.D. Accounting · 1996
University of Florida
B.S. Accounting · 1993
Jurisdictions
William's state bar admissions
Florida
1997 · ACTIVE
William studied at J.D. Accounting in University of Florida and B.S. Accounting in University of Florida.
Law school and academic background
William completed J.D. Accounting in University of Florida and B.S. Accounting in University of Florida. Formal legal training is one signal of substantive knowledge — the day-to-day practice William runs in Florida is where that training gets applied to real client questions.
Recognition
Awards, publications, and recognition of William Thomas Hennessey III
William has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Affiliations
William's professional memberships and bar associations
The Florida Bar
Chair, Probate and Trust Litigation Committee, Real Property, Probate and Trust Law Section Member, Executive Council, RPPTL Section · membership
American College of Trust and Estate Counsel
bar_fellowship
Locations
William Thomas Hennessey III's office in West Palm Beach
William's primary office is at 777 South Flagler Drive, Suite 500, West Palm Beach, FL, 33401. In-person meetings are by appointment; a phone intake usually comes first.
Gunster, Yoakley & Stewart, P.A.
777 South Flagler Drive, Suite 500
West Palm Beach, FL 33401
Open in Google MapsClient feedback
Client reviews of William Thomas Hennessey III — 5.0/5 rating from 1 verified client review
Every review below is from a verified client of William. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing business attorneys in West Palm Beach.
5.0
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once William Thomas Hennessey III claims this profile.
Read all reviewsHiring guide
How to hire William Thomas Hennessey III — what to expect in your first consultation
Working with a new business attorney should feel structured. Here's how the first two conversations with William usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
William charges for the initial consult. That fee is credited toward representation if you retain William'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; William will tell you what matters and what doesn't.
Questions to ask a business attorney in West Palm Beach, Florida
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 William
William 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. William confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
William'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 William Thomas Hennessey III
How much does it cost to hire William for a business case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. William walks through the likely range during the consult so there are no surprises.
Does William offer a free consultation?
William charges for the initial consult; that fee is credited toward representation if you retain William's office. Some business attorneys offer free consults — check William's current terms during booking.
How long do business cases in Florida 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. William gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can William take my case if I'm outside West Palm Beach?
William is licensed in Florida. Matters governed by Florida law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — William 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 William?
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. William will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is William accepting new business clients right now?
William'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 West Palm Beach, Miami and Tampa in Florida
William handles business matters throughout Florida. Each city below is a direct link into the search page for verified business attorneys in that community.
- West Palm Beach3,699 attorneys
- Miami15,918 attorneys
- Tampa9,739 attorneys
- Orlando7,352 attorneys
- Fort Lauderdale6,726 attorneys
- Jacksonville5,497 attorneys
- Tallahassee4,383 attorneys
- Boca Raton3,668 attorneys
- Coral Gables3,397 attorneys
- Naples2,155 attorneys
- St Petersburg2,098 attorneys
- Sarasota1,994 attorneys
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