This nameplate appears to have been used briefly in Japan around the 1971 model year as a catalog and market identity for Suzuki’s kei commercial-car offering, rather than as a long-running standalone passenger model. The surviving period reference points to Suzuki’s early-1970s small commercial-vehicle lineup, which was closely related to the Fronte family and its van-based derivatives. In that era, Suzuki was refining its lightweight work vehicles to serve small businesses, tradespeople, and utility use, and the Business designation fit that practical, fleet-oriented positioning.
The historical context is important: Suzuki’s early kei lineup evolved quickly through the late 1960s and early 1970s, with successive updates to the Fronte and related commercial variants as the company adjusted styling, packaging, and engines to meet changing customer expectations and regulations. The Business name appears to have been tied to that commercial focus, emphasizing utility rather than creating a separate enthusiast-oriented model line.
Because the available evidence is limited and the nameplate seems to have been short-lived, this record should be treated as a brief early-1970s Suzuki commercial designation rather than a multi-generation model. No later revival of the same exact nameplate has been confirmed in the sources reviewed.