The Yahoo + Avalara Partnership
Yahoo and Avalara have an active Channel Partnership according to www.avalara.com. There are 133 companies in the Yahoo partner ecosystem and 364 companies in the Avalara partner ecosystem.
4 companies exist in both ecosystems, representing 3% of the Yahoo parther ecosystem and 1% of the Avalara partner ecosystem. PayPal and ShipStation are the largest companies that exist in both ecosystems.