Johnson Financial Group is the largest privately held, family-owned financial services company in Wisconsin, offering banking, wealth and insurance solutions through Johnson Bank, Johnson Wealth, and Johnson Insurance. The $5 billion financial services company offers traditional banking services along with insurance and a full array of trust, estate and fiduciary services. Principal owners of Johnson Financial Group are members of the Samuel C. Johnson family. Helen Johnson-Leipold is Chairman of Johnson Financial Group. Non-Depository Location. By appointment only.