American Business Appraisers | 26 followers on LinkedIn. American Business Appraisers is nationally recognized for performing business valuations and machinery & equipment appraisals for family-owned and closely-held businesses, professional practices, limited liability companies, corporations and partnerships. American Business Appraisers, LLC performs appraisal services for mid-size to larger entities for a variety of purposes. We develop an independent, unbiased report designed to clearly help define the value of a business or business interest.