Jefferies Agrees âStrategic Allianceâ With Japanâs SMFG Jul 14 2021, 11:42 PM July 14 2021, 7:41 PM July 14 2021, 11:42 PM (Bloomberg) -- Jefferies Financial Group Inc. has agreed a âstrategic allianceâ with Sumitomo Mitsui Financial Group Inc., a deal that will see the Japanese company provide a credit line to the Wall Street firmâs leveraged finance operations and see the lenders join forces on certain pieces of investment banking business. (Bloomberg) -- Jefferies Financial Group Inc. has agreed a âstrategic allianceâ with Sumitomo Mitsui Financial Group Inc., a deal that will see the Japanese company provide a credit line to the Wall Street firmâs leveraged finance operations and see the lenders join forces on certain pieces of investment banking business.