| Business | Phone |
| A Plus Bookkeeping & Tax Svc 478 S Lake Dr, Watertown 57201 | (605) 882-4225 |
| Accurate Income Tax & Bkpg 25 W Kemp, Watertown 57201 | (605) 753-5205 |
| H & R Block Tax Svc 204 9th Ave Se, Watertown 57201 | (605) 886-8917 |
| Miller Tax Svc 202 E Kemp, Watertown 57201 | (605) 882-2869 |
| Liberty Tax Svc 1327 9th Ave Se, Watertown 57201 | (605) 882-1066 |