Working capital finance group Greensill has grabbed a controlling stake in Sydney-based fintech firm Earnd as it expands its push into what it is calling payday finance.

While Greensill has grown quickly in recent years via its controversial supply chain finance products, which allow a company’s supplier to obtain early payment in return for accepting a small discount on their invoice, founder and chief executive Lex Greensill has now taken aim at the way workers are paid by employers.