Karl J. Zimmermann


Karl Zimmermann is a lifelong Lakeview resident and Jesuit High School graduate who received a BBA in Accounting from Loyola University and a law degree from Tulane University in 1984. In 1985, he received a Masters (LL.M.) from the highly accredited New York University. Karl is also a CPA and a Louisiana Board Certified tax attorney, as certified by the Louisiana Board of Legal Specialization.

Karl practiced in the New York firm of Simpson Thacher & Bartlett for five years working on mergers, acquisitions and tax matters. In 1994, he returned to New Orleans and joined the firm where he represents closely held businesses and their owners providing tax, business and strategic planning. He has been involved in numerous public and private business acquisitions and dispositions, many involving United States clients doing business internationally, and international businesses looking to enter the United States. He is recognized in Louisiana Super Lawyers (Tax, Business/Corporate and Mergers & Acquisitions), Best Lawyers in America (Tax, Mergers & Acquisitions), Chambers USA: America’s Leading Lawyers for Business (Mergers and Acquisitions) and New Orleans Magazine as one of their “Top Lawyers of New Orleans” (Mergers and Acquisitions Law, Tax Law).

Karl enjoys spending time with his wife, three kids, and two grandchildren. He also enjoys live music, traveling, and watching the New Orleans Pelicans.

Notable Transactions

BHBM Advises Performance Energy Services in Sale to Quanta Services

BHBM Assists Abdon Callais Offshore in Sale

In the Community

Louisiana Association of Business and Industry


BHBM 32nd Annual Life Insurance Seminar: "Ownership of Life Insurance Policies" (May 14, 2015)

BHBM 31st Annual CPA Seminar - New Orleans: "Estate Planning Case Study & Panel Discussion" (November 11, 2014)

BHBM 31st Annual CPA Seminar - Covington: "Estate Planning Case Study & Panel Discussion" (October 28, 2014)

BHBM 31st Annual Life Insurance Seminar: Panel Discussion on Estate Planning (May 14, 2014)

BHBM 30th Annual CPA Seminar - New Orleans: "Case Study and Panel Discussion" (November 6, 2013)

BHBM 30th Annual CPA Seminar - Covington: "Case Study and Panel Discussion" (October 23, 2013)

BHBM 30th Annual Seminar for Life Underwriters: 2013 Tax Law Update (May 15, 2013)

BHBM 29th Annual CPA Seminar - New Orleans: Tax Considerations When Doing Business Outside of the United States (November 7, 2012)

BHBM 29th Annual CPA Seminar - Covington: Tax Considerations When Doing Business Outside of the United States (October 17, 2012)

BHBM 29th Annual Life Insurance Seminar (May 15, 2012)

BHBM 28th Annual Life Insurance Seminar (May 10, 2011)