OTCR Consulting | 1,137 followers on LinkedIn. OTCR Consulting is the University of Illinois'​ premiere, entirely student-run business and technical consultancy. OTCR is comprised of 50 top students, primarily from the Colleges of Engineering and Business, and has advised clients ranging in size from Fortune 500 corporations to small businesses in a variety of industries and practice areas for over 10 years. OTCR's two-fold mission is to: 1.