business people shaking hands

Klein Hall joins top 20 firm Wipfli

Chicago, Illinois (November 1, 2019) —Klein Hall announced today that its partners and associates have joined Wipfli, one of the top 20 accounting and consulting firms in the United States, effective November 1.

“We are proud of Klein Hall’s success over the years and our strong reputation for delivering quality solutions to our clients while also providing exceptional service,” Klein Hall Managing Partner Christina Klein Trapp said. “Joining forces with Wipfli provides us with national resources and more extensive capabilities to continue to serve our clients’ evolving needs while also providing career and development opportunities to our employees, which will help us continue to retain and attract the best and brightest professionals in the industry.”

With associates in offices across the country, Milwaukee-based Wipfli ranks among the top 20 accounting and business consulting firms in the United States. For over 89 years, Wipfli has provided private and publicly held companies with industry-focused assurance, accounting, tax and consulting services to help clients overcome their business challenges today and plan for tomorrow.

Wipfli Managing Partner Kurt Gresens said, “We are pleased that Klein Hall chose to join Wipfli. The addition will strengthen Wipfli’s resources in this key market where our firm currently has five locations. This will add an office to our footprint in the western suburbs of Chicago, enhancing our physical presence in the market and helping Wipfli to become an even stronger leader in providing audit, tax and consulting services to Chicagoland’s organizations and businesses.”

Allan D. Koltin, chief executive officer of Koltin Consulting Group, who advised both firms on the transaction, said, “Wipfli continues with their strategic journey throughout Chicago by finding another very dynamic and entrepreneurial firm in Klein Hall. Wipfli’s rapid expansion and growth in the Chicago market has received national attention due to its successful integration and excellent results. Klein Hall has also been recognized nationally as one of the fastest-growing private companies in the United States and has received many national workplace awards. This is a great step for both firms.”

Following the effective date, Wipfli will have more than 2,400 associates and 50 offices. For more information, visit