Leff, Klein & Kalfen, Ltd., founded in 1984, is a full-service accounting, tax and consulting firm serving Chicago area clients. Our clients include small- and medium-sized privately held businesses. In 1990, LKK expanded its services to include personal financial offerings when it partnered with Genworth Financial, an NASD broker dealer.

This versatile, client-oriented firm is led by Alan Leff, President, CPA, MBA, and David Kalfen, Vice President, CPA, CFP.