Avalara

www.avalara.com - Avalara is an end-to-end transaction tax management company.  Avalara takes a process that was previously economically impractical for small to mid-size company's and makes it affordable, accurate, and faster than anybody could imagine.  They do this by delivering sales tax solutions via Software-as-a-Service. (SaaS)  Today, more than 10,000 businesses rely on Avalara's services making it a provider of 100 sub-second sales tax calculations and $20 billion in filings annually.