What recurs in most firms
Monthly bookkeeping and close for every client, quarterly estimated tax reminders, payroll reporting, and the year-end 1099 run. For 2026, Publication 509 lists individual estimated payments on April 15, June 15 and September 15, 2026 and January 15, 2027.
- Monthly: bookkeeping, close, report pack
- Quarterly: estimate reminders, payroll reports
- Annually: 1099s, engagement renewals, consents

