Leff, Klein & Kalfen, LTD. is a full-service accounting firm licensed in Illinois, offering a broad range of services for business owners, executives, and independent professionals. With over 20 years of experience, we provide personalized financial guidance, from basic tax management and accounting services to in-depth services such as audits and financial statements. Our team is dedicated to high standards, hiring seasoned tax professionals, and providing work ethic that ensures client satisfaction and loyalty.