# Carlson Black O'callaghan & Battenberg Llp > Analysis by Optimly for Optimly AI Visibility, in the Optimly AI Brand Index. Last analyzed September 6, 2026. > Carlson Black O'Callaghan & Battenberg LLP is a Madison, Wisconsin-based law firm specializing in complex commercial real estate, land use, business, and tax law. They also provide legal services for cooperatives and non-profit organizations, with recognized expertise in Real Estate Law and Land Use & Zoning Law. - Business Profile: https://optimly.ai/brand/carlson-black-o-callaghan-battenberg-llp - Publisher: Optimly (https://optimly.ai) - Dataset: Optimly AI Brand Index (https://optimly.ai/brand) - Official website: https://carlsonblack.com/ - Logo: https://logo.clearbit.com/carlsonblack.com - Slug: carlson-black-o-callaghan-battenberg-llp - Brand Authority Index tier: Emerging - Category: Real Estate Law Firms - Last Analyzed: September 6, 2026