Capacity Planning for Tax Season: Start in October, Not January
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- SpidNums
Capacity planning starts with counting: how many T1, T2 and GST files the firm holds, mapped against the weeks each falls due. From there, firms staff to the honest peak, stagger what can be staggered, and decide in autumn — not February — which work to decline, refer or reprice.
Count the files before you count the hours
Most capacity conversations start with hours and stall. Start with obligations: how many T1s, how many T2s by month of year-end, how many GST/HST returns by cadence, how many payroll clients. That list is the demand side, and most firms have never written it down.
Mapping obligations to calendar weeks
Place each obligation in the week it is due. The shape that emerges is usually not the shape people describe from memory: February slips and March instalments matter more than the April 30 wall suggests.
The honest peak versus the hoped-for peak
Firms plan for the week they hope to have and staff for it. The honest peak assumes clients deliver late, because they do, and that some portion of the work compresses into the final fortnight regardless of process.
Levers: stagger, delegate, decline, reprice
Only four exist. Staggering moves work earlier; delegation moves it sideways; declining removes it; repricing makes the peak worth having. Firms that only ever pull the first two run out of room.
Seasonal staff and the training tax
A seasonal hire consumes senior time before producing junior output. Standardized workflow templates cut that cost substantially, which is the practical argument for building them in October rather than February.
Watching live workload once the season starts
A plan is a hypothesis. Once the season starts, the useful question is who is overloaded this week and which files have not moved — both answerable from real task data rather than from a status meeting.
An October planning checklist
Count the obligations. Map them to weeks. Identify the peak. Decide the levers. Build or refresh the templates. Confirm every client's cadence and remitter type. Then set the client-communication calendar so document requests go out before December.
Frequently asked questions
When should a firm start planning for tax season?
October. The decisions that matter — which work to decline, which to reprice, whether to hire seasonally, and when to send document requests — all need to be made before December, and none of them can be made usefully in February.
How do you estimate tax season capacity?
Count obligations rather than hours: T1s, T2s by year-end month, sales-tax returns by cadence, payroll clients. Map each to the week it falls due. The resulting weekly profile is the demand curve you are staffing against.
What should a firm do if the peak is unmanageable?
Pull one of four levers: stagger work earlier, delegate it further down the team, decline or refer work that does not fit, or reprice the work so the peak is worth having. Firms that only stagger and delegate eventually run out of room.
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