William Arnault

4.6 (37 reviews )

Chicago Illinois United States

Litigation - Bankruptcy

Recognized in Best Attorney USA since 2023

312-862-2000 Website

About William

William Arnault: Litigation Partner in Bankruptcy and Complex Commercial Cases

Bill Arnault is a litigation partner at Kirkland & Ellis LLP's Chicago office, where he focuses his practice on restructuring matters.

Practice Areas

Litigation - Bankruptcy
Litigation - Complex Commercial Cases (including Contract, Energy, Fiduciary Duty, Fraudulent Transfer, Bankruptcy, and Employment Cases)

Education & Credentials

Universities: Cornell University, Boston College
Education: Obtained his Juris Doctor (J.D.) from Boston College Law School in 2010. He also holds a Bachelor of Arts degree from Cornell University.
Bar Admissions: Admitted to practice law in the State of Illinois, United States
Awards: Recognized: Litigation - Bankruptcy (in Best Attorney USA since 2023)
Firms: Bill Arnault previously worked as a litigation partner at Kirkland & Ellis LLP in Chicago. He has also served as a counsel for other law firms in various matters.
Affiliations: Member of the Illinois State Bar Association and American Law Institute
Languages: Fluent in English, proficiency in Spanish.
Recognized Since: Recognized in Best Attorney USA since 2023
Location: Bill Arnault practices law in Chicago, Illinois, United States.

Practice Areas

Litigation - Bankruptcy

Education

Cornell University

Boston College

Awards & Recognition

Recognized: Litigation - Bankruptcy

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Reviews

4.6 / 5

37 Reviews

1,057 Profile Views

Warren Medhurst

Jan 29, 2026

The absolute best in Chicago for Litigation - Bankruptcy law - and I mean that from the bottom of my heart

Honestly, I can't thank William Arnault enough for everything they've done for me. They really know their stuff when it comes to Litigation - Bankruptcy law and it shows in the results. 10/10 would re...

James Hirthe

Jan 29, 2026

Great people who truly care at William Arnault - the best legal team in Illinois

William Arnault has been doing this since Recognized in Best Lawyers since 2023, and it definitely shows in their work. They're pros through and through and I wouldn't trust anyone else with my legal...

Rebecca Casper

Jan 29, 2026

Really helpful and compassionate service from everyone at William Arnault's firm

Everyone at William Arnault's office in Chicago was so nice and helpful. They made a tough situation a lot easier to deal with by being so patient and explaining everything clearly. I never felt like...

Van Runolfsson

Jan 29, 2026

Professional service and clear communication provided by William Arnault in Chicago

I've worked with a few lawyers in Chicago over the years, but William Arnault stands out for their honesty and thoroughness. They were clear about the process and kept me updated at all times. I felt...

Naomi Connelly

Jan 29, 2026

Excellent legal representation provided by William Arnault for my Litigation - Bankruptcy law case

William Arnault is fantastic and very professional. Don't hesitate to hire them if you're in Illinois and need help. They really know their stuff and will go the extra mile to make sure you're taken c...