Credit Suisse has invested in a Swiss fintech firm active with small- and mid-sized businesses. The Swiss bank plans to integrate the start-up's products in its own offering. 

Credit Suisse has bought a majority stake in Tradeplus24, a Zurich-based fintech firm specialized in small- and mid-sized business loans. The Swiss bank bought into a series A1 financing through its subsidiary, SVC, the bank said in a statement.

Andreas Gerber, the bank's head of small business, said Tradeplus24's offering will help Credit Suisse better reach existing and new clients. The start-up offers better firms improved liquidity by allowing credit against its business.