| 1965 | |
| First personal client hired JIC |
| 1976 | |
| First institutional client |
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| 1980 | |
| First stand-alone office established |
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| 1987 | |
| Built an addition to the first office |
| 1993 | |
| Johnson Mutual Funds launched with two funds; Growth and Fixed Income |
| 1998 | |
| Assets Under Management reached $2 billion |
| Johnson Mutual Funds started the Johnson Realty Fund |
| Johnson Trust Company started |
| Built and moved to current location |
| 2001 | |
| Johnson Investment Counsel became employee-owned |
| 2005 | |
| JIC named the largest independent, employee-owned wealth management firm in Ohio by Wealth Manager Magazine |
| 2006 | |
| Johnson Mutual Funds began 5 new funds, bringing the total family of funds to 13 |
| 2008 | |
| 80th employee hired |
| Johnson Mutual Funds started the Johnson International Fund |