Know the number. Pay it on time. Skip the penalty.
Estimated payments are where profitable owners get hurt. Underpay and the IRS adds a penalty. Overpay and you hand the government an interest-free loan for a year. We calculate the actual number each quarter from your live books.
The quarterly number is where profitable owners get hurt
Once a business is genuinely profitable, the annual return stops being the main event and the quarterly payment does. Underpay and the IRS assesses an underpayment penalty that behaves like non-deductible interest. Overpay and you have handed the government a zero-interest loan you cannot recall until you file.
Both mistakes are common because most owners are working from one of two bad inputs: last year's number, which is wrong the moment revenue changes, or a percentage rule of thumb, which ignores entity type, deductions and credits entirely.
Two numbers, every quarter
We give clients both figures. The first is the safe-harbor amount, which is the minimum required to eliminate underpayment penalty risk regardless of how the year finishes. The second is the projected actual liability based on year-to-date results from your live books.
When those two numbers diverge, that is the useful signal. A safe-harbor payment that is far below the projection means a large April balance is coming, and you should be setting cash aside now rather than discovering it at filing.
Federal, Michigan and city
Federal estimates are the piece everyone knows. Michigan estimated payments are a second track with their own vouchers and deadlines. And a number of West Michigan filers owe city estimates as well, which is the most frequently missed of the three.
If you live or work in a city with an income tax, that obligation does not disappear because your federal payment was made on time. We calculate all three and send the amounts and payment links before each deadline.
Mid-year changes
Income moves. A large contract lands in Q3, a piece of equipment is sold, a partner is added, a rental property is placed in service. Any of those change the calculation, and a quarterly estimate set in April is stale by September.
For clients whose books we maintain, recalculation is automatic because we already have the data. For clients who only use us for estimates, we ask for a short mid-year update and revise the vouchers. Either way, the goal is that April holds no surprises.
Getting started
- 01
Baseline
We set a safe-harbor figure from your prior return.
- 02
Quarterly check
We compare actual year-to-date results against the projection.
- 03
Revised vouchers
You get the exact amount and the payment link before the deadline.
- 04
Year-end true-up
A final review in December so there is no April surprise.
Quarterly Tax Estimates questions
- Can I just pay last year's amount?
- Safe harbor works for penalty avoidance, but if income grew you will owe a lot in April. We give you both numbers.
Quarterly Tax Estimates across West Michigan
Book a free consultation
Bring your last return and a payroll register. We tell you what we would change and what it costs. No charge, no obligation.