William J. Hammett

PRO

William J. Hammett

5.0
Rating: 10.0

Licensed for 37 years

Divorce and separation Lawyer at Neenah, WI
Practice Areas: Divorce & Separation, Child Custody, Alimony ... +2 more

675 Deerwood Ave, Neenah, WI

Virtual Consultation Available

About William

Reviewers Often Mention

Based on insights from 29 Avvo reviews of this attorney.

Recommendation

Case Results

Professionalism

Advocacy

Biography

Attorney William J. Hammett is a founding member and partner with Hammett, Bellin & Oswald, LLC. Established in 1997, the law firm has offices in Neenah and Appleton, Wisconsin. Serving clients throughout the Fox Valley region and surrounding areas.

Practice Areas

5

Practice Areas

Divorce and Separation 35%

Contested and Uncontested divorces

35%
Child Custody 25%

Child custody and child support

25%
Alimony 20%

20%
Adoption 10%

10%
Family 10%

For approximately the last 20 years I have limited my practice to the areas of divorce, paternity actions, custody and placement disputes, support issues, and termination of parental rights and adoption actions.

12 years

10%

Fees and Rates

Cost

Retainer

Always


Payment Methods

  • Cash
  • Check
  • Credit Card

Awards

Client's Choice
Client's Choice
2017 2015
Distinguished Peer Review Rating
Super Lawyer

Licenses

Licensed in Wisconsin for 37 years

State: Wisconsin

Acquired: 1989

Good Standing

No misconduct found

Location

Hammett Bellin & Oswald LLC

675 Deerwood Ave, Neenah, WI, 54956-1629

hbolawfirm.com/

Hammett, Bellin, & Oswald, LLC

4650 West Spencer Street, Appleton, WI, 54913

hbolawfirm.com/

William J. Hammett's Reviews

Avvo Review Score

5.0 /5.0

29 Client Reviews


Client Insights

Avvo uses AI to summarize reviews left for lawyers, providing a helpful overview of overall sentiment. Each summary is based on up to 500 of the most recent reviews and is refreshed upon submission of each new review. The number of reviews used may be displayed.

AI-summarized from Avvo client reviews

Reviewers overwhelmingly praise the lawyer for their professionalism, deep knowledge of family law, and compassionate approach during difficult divorce and custody proceedings. Clients frequently highlight the lawyer's clear communication, fair billing, and supportive staff, noting that they felt well-represented and achieved favorable, equitable outcomes.

Filter Avvo Reviews (29) Refine reviews to match your needs. Use the filters to quickly surface reviews that align with your case or priorities.

Showing 6 - 10 of 14 reviews | Case Results

Posted by Emily | January 12, 2017 | Hired Attorney

Divorce

Bill is a WONDERFUL lawyer, he came highly recommended and I'm glad he was my lawyer. He is very knowledgeable and helped me settle my case without going to trial. I cant say enough nice things about Bill and the staff at his office. Bill is a very fair, honest and professional lawyer and doesn't w...aste your time or money. I would hire him again in a heartbeat.

Posted by anonymous | December 16, 2015 | Hired Attorney

Outstanding divorce attorney!

Before hiring an attorney, I thoroughly investigated all divorce lawyers within a 100-mile radius of Green Bay. My intention was to hire someone with expertise and experience specific to divorce law. To my surprise, I found someone in close proximity who has an outstanding reputation. Attorney Wil...liam J Hammett with HBO law offices was selected to “Super Lawyers” from 2008-2015 as one of the top divorce and family law attorneys in the State of WI and, upon reading his clients’ reviews, I knew I wanted him to represent me. Bill’s vast knowledge of divorce law put me at ease almost immediately. Personally, I can attest to his honesty and integrity as a law professional. Many details of this process were initially quite overwhelming. Bill could sense my frustration and patiently answered ALL of my questions; my concerns and worries were quickly alleviated. What impressed me most was the step-by-step approach he used to convey the divorce process in terms I could understand. His actions and personality were highly professional both in and out of the courtroom. I have a great deal of respect for Attorney Hammett and am very satisfied with the outcome of my divorce. His legal assistant, Ellen, was absolutely wonderful too.

Posted by Pat | October 22, 2015 | Hired Attorney

Great Lawyer and a Great Person

My situation is similar to Michael’s who posted a comment on Aug. 3rd. Bill handled my divorce and almost yearly I’ve been back in court for more child support. Bill does not break or bend the law, but he does support your case in your benefit. To this day my support has not increased due to Bill ...and his staff’s support. I can’t commend or provide a higher recommendation for Bill and his firm. They are all true professionals in every sense of the word and all are great “real” people. That makes a difference during the trying times you may be facing while needing a lawyer. Thanks again Bill and Ellen!

Posted by William | July 09, 2015

Divorce

I am so glad I chose Bill as my attorney. He did everything in his power to make sure that I was taken care from the day I first sat down with him, until the divorce was final. Bill and all of his staff kept me well informed, and were always there to answer any of my questions.

Posted by Kathi | June 16, 2015

Excellent on all levels

Bill Hammett handled my unexpected and unwanted divorce. At our initial meeting, I was stunned, confused and didn't have a clue where to begin the process. He was compassionate without ever sacrificing professionalism. He displayed excellent knowledge of the case, represented me very well in both hea...rings, and was patient yet thorough in his explanations to my questions and concerns. In both hearings, his competence and defense strategy garnered the best possible outcome for me in terms of financial settlements. I wouldn't hesitate to recommend Mr. Hammett to anyone in need of a good divorce attorney. Both he and his staff served me graciously, courteously, and with great competence. I couldn't have asked for better.

See All Client Reviews

William J. Hammett's Lawyer Endorsements

Endorse William
Natalie M. Sturicz headshot
Natalie Sturicz

Family lawyer | Jun 11

Relationship: Worked for lawyer

"I endorse this lawyer. I have worked with Bill for over five years. He is not only experienced in family law but skilled and driven to achieve the best possible results for his clients. He is among the best attorneys in Wisconsin practicing family law."

Jeffrey Thomas Oswald headshot
Jeffrey Oswald

Divorce and separation lawyer | Feb 12

Relationship: Co-worker

"I endorse this lawyer. Bill is one of the best divorce attorneys in the entire state. He has the skill, legal knowledge, and trial skills that are second to none."

Jeffrey P. Kippa headshot
Jeffrey Kippa

Family lawyer | Sep 25

Relationship: Fellow lawyer in community

"Bill's knowledge of the law, coupled with his dedication to his clients, make him one of the best family law attorneys in the state."

View All Endorsements
Natalie M. Sturicz headshot
Natalie Sturicz

Family lawyer

Jeffrey Thomas Oswald headshot
Jeffrey Oswald

Criminal defense lawyer

Experience

Rating:  10.0 (Superb)

Honors

2026

Super Lawyer, Super Lawyers

2025

Super Lawyer, Super Lawyers

2024

Super Lawyer, Super Lawyers

2023

Super Lawyer, Super Lawyers

2022

Super Lawyer, Super Lawyers

2021

Super Lawyer, Super Lawyers

2021

Super Lawyer, Super Lawyers

2020

Super Lawyer, Super Lawyers

2020

Super Lawyer, Super Lawyers

2019

Super Lawyer, Super Lawyers

2019

Super Lawyer, Super Lawyers

2018

Super Lawyer, Super Lawyers

2017

Super Lawyer, Super Lawyers

2016

Super Lawyer, Super Lawyers

2016

BV Rated, Martindale-Hubbell

2016

Super Lawyer, Super Lawyers

2015

Super Lawyer, Super Lawyers

2015

Super Lawyer, Super Lawyers

2014

Super Lawyer, Super Lawyers

2014

Super Lawyer, Super Lawyers

2013

Super Lawyer, Super Lawyers

2013

Super Lawyer, Super Lawyers

2012

Super Lawyer, Super Lawyers

2012

Super Lawyer, Super Lawyers

2011

Super Lawyer, Super Lawyers

2011

Super Lawyer, Super Lawyers

2010

Super Lawyer, Super Lawyers

2010

Super Lawyer, Super Lawyers

2009

Super Lawyer, Super Lawyers

2009

Super Lawyer, Super Lawyers

2008

Super Lawyer, Super Lawyers

2008

Super Lawyer, Super Lawyers

Work Experience

1997 - Present

Partner, Hammett, Bellin, & Oswald, LLC

1991 - 1997

Managing Partner, Hammett Law Office

1989 - 1991

Associate, O'Neil, Cannon & Hollman

Associations

1991 - Present

Winnebago County Bar Association

Member

1989 - Present

State Bar of Wisconsin

Member

1997 - 1998

Winnebago County Bar Association

President

Education

1989

Marquette University Law School

JD - Juris Doctor

1986

University of Wisconsin, Madison

BA - Bachelor of Arts

Publications

1989

Marquette Law Review, Vol 72/ No.4 "Percentage Leases" Is There a Need to Imply a Covenant of Continuous Operation

Languages

English

Avvo Rating

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Avvo Rating Levels
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