LumaTax raises $3M and partners with Square to help small businesses file taxes

LumaTax has raised more funding and inked a key partnership with Square to help small businesses automate their sales tax reporting process. The Seattle startup today announced a new $3 million investment round led by Cowboy Ventures, with participation from Madrona Venture Group, Vulcan Capital, and Greycroft Partners. Total funding in the company is now $5 million.