Jim McKelvey, along with fellow St. Louisan Jack Dorsey, announced Wednesday the opening of a St. Louis office for Square, the mobile payment company they co-founded. Technically, this isn’t the first ...

St. Louis has landed the newest office of Square, which plans to hire more than 200 people in the hometown of the mobile payment company’s co-founders Jack Dorsey and Jim McKelvey. Jim McKelvey, ...

FILE PHOTO: The interior of Square's office in Cortex in the Central West End on March 15, 2016. Conference rooms at Square's offices are named after St. Louis roads, including Lindell and Manchester, ...

In 2009, Jack Dorsey, Jim McKelvey, and Tristan O’Tierney set out with the bold goal to enable anyone, anywhere to accept credit card payments. Four years later, Square is one of Silicon Valley’s ...