Learn more about the Dean Dorton & Rödl USA Joint Venture: To better serve our clients in the Midwest regions of Ohio, Indiana, and Kentucky, Rödl USA established a joint venture with Dean Dorton CPA & Advisory Firm (dba Rödl Langford de Kock - VL LLC) in Cincinnati, Ohio. As the preferred accounting, auditing, tax, and business consulting professional services firm of German-speaking and other international entities, you will benefit from the extensive experience of our U.S. certified public accountants, as well as our bilingual staff of professionals, many of whom also carry international certifications (StB, WP, Dottori Commercialisti, CA).