A company bio is a concise summary that introduces a business to potential customers or clients, outlining its history, purpose, and key offerings. It's a brief, informative overview, often found on a company's website or in marketing materials. A company bio is a concise summary that introduces a business to potential customers or clients, outlining its history, purpose, and key offerings. It's a brief, informative overview, often found on a company's website or in marketing materials.