William Arnault

William Arnault

Litigation - Bankruptcy
Recognized in Best Attorney USA since 2023

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.

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Reviews

4.6 / 5

37 Reviews

1,058 Profile Views

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Chester Altenwerth

Jan 29, 2026

William Arnault did a great job handling my complex Litigation - Bankruptcy law case from start to finish

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...

J

Jerald Doyle

Jan 29, 2026

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

Really glad I found William Arnault for my case. They were a huge help and made everything understandable. I was very impressed with their knowledge and how they handled the opposition. If you're in I...

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Casey Schuster

Jan 29, 2026

So glad I called William Arnault to handle my Litigation - Bankruptcy law case in Chicago

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...

M

Manuel Cronin

Jan 29, 2026

I was completely overwhelmed until I found William Arnault for my Litigation - Bankruptcy law case

After my incident in Chicago, I was bombarded with calls and paperwork I didn't understand. I reached out to William Arnault for help with my Litigation - Bankruptcy law claim and it was the best deci...

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Rita Nader

Jan 29, 2026

So glad I called William Arnault to handle my Litigation - Bankruptcy law case in Chicago

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...