Uncapped commission means a plan sets no ceiling on what a rep can earn: every additional sale pays at the plan rate however high the annual total climbs. The claim is standard in recruiting and is frequently qualified elsewhere in the same plan by a windfall clause, a mid-year quota reset, or approval requirements on unusually large deals.
The promise does most of its work in the job advert and much less in the plan document. Uncapped appears in nearly every sales listing, which has drained the word of information. A candidate learns very little from seeing it and something quite useful from noticing it is missing.
Where a plan is genuinely open, the rate schedule runs on forever. A flat 6% pays 6% on the ten millionth dollar. A tiered plan leaves its top band unbounded, so everything above the last threshold earns the top rate with nothing above it. That is a one-minute check: find the highest tier and see whether it has an upper bound.
Three things commonly limit an open plan without capping it. A windfall clause reprices a single deal that sits far outside anything the plan anticipated. A mid-year quota reset raises the target the rate schedule is measured against, lowering future earnings while touching no rate at all. Management discretion above a deal-size threshold turns the payout into an approval rather than a calculation. None of the three is dishonest in itself. All three belong in the conversation before anyone signs.
The reason to leave a plan open anyway is that a ceiling teaches a rep to stop, and ceilings are reached in autumn, so the cost lands in the quarter a company most wants production. Employers who hold the line on uncapped usually handle the outlier problem at the deal level through a windfall clause plus a review threshold. That contains the one contract that broke the model and leaves the other three hundred paying at plan.
A rep on a flat 6% of revenue, hired onto an advertised uncapped plan, closes a $4,000,000 renewal that arrived inbound after a merger at the customer. The plan document carries a windfall clause: deal value above $1,000,000 pays 1.5% instead of 6%.
Nothing here is capped. No ceiling limits the rep's annual earnings and the next ordinary deal pays 6% as usual. One clause on one contract still moved $135,000, which is why the windfall threshold deserves more attention than the word uncapped.
The advert and the plan document are written by different people for different purposes, and only one of them binds anybody. Before pricing uncapped into a decision, read the plan and find four things: whether the top commission tier has an upper bound, whether a windfall or large-deal clause exists and at what threshold, whether quotas can be reset during the year, and whether the company reserves the right to amend the plan at will. That last reservation makes every other answer provisional, and it is present more often than candidates expect.
The long form lives in the guides: Commission structures.
Commish pays uncapped commission the way your plan describes it, shows the arithmetic on every line, and traces each payment back to the deal that earned it.