Transaction services are provided to parties pursuing an acquisition or divestiture of an aviation business. Properly managed acquisition and divestiture processes and properly developed transaction documents provide the highest likelihood of a successful outcome for all parties. Transaction services can include (1) establishing and negotiating the purchase/sale price; (2) collection, organization, and management of transaction data, documents, and information; (3) development of transaction documents including confidentiality agreements, offering documents, letters of intent, and definitive purchase agreements; and (4) management of associated transaction due diligence and closing.