Australian fintech Zeller lands $50M AUD led by Spark Capital at a $400M AUD valuation

Zeller, a Melbourne-based fintech founded by former Square executives to serve small- to mid-sized businesses, has raised $50 million AUD (about $37.5 million USD) led by Spark Capital, the investment firm whose portfolio also includes Twitter, Slack and Coinbase. Zeller’s valuation is now $4…