Alexa Business is a local marketing service that helps business owners or authorized managers list their business information on major voice platforms like Amazon Alexa, Google Home, Apple Siri, and Microsoft Cortana. They offer Voice Search Registration technology to improve voice search ranking by syncing business details like name, address, and phone number across the internet. Alexa Business provides plans to list businesses on voice platforms like Siri, Google Assistant, Cortana, Bixby, and Amazon, offering options for monthly or yearly subscriptions. By registering with Alexa Business, businesses can enhance their online presence and visibility on voice-activated virtual assistant devices.