Envoy Taxi Dispatch System. Cloud hosted, taxi booking, dispatching, management and accounts and invoicing system is a revolutionary easy way of booking jobs, dispatching taxis , managing customers and drivers and creating invoices. Envoy taxi software is the most affordable taxi system in the market, a perfect system to choose for taxi, private hire, chauffeur, airport transfer, executive travel or similar businesses. Monthly rolling contract, no setup fee, no hidden charges. Low cost high quality and the best taxi software.