Every sales head has run the experiment, usually by accident: announce an incentive scheme in January, watch behaviour change for a quarter, then watch it stop changing — not because the money stopped mattering but because the computation stopped being believed. The consultant who once disputed a payout and lost the argument to a locked spreadsheet doesn't chase the next slab. Incentives don't fail at generosity; they fail at credibility.
Credibility is an architecture, not a policy
Three design requirements, in rising order of difficulty:
- The rules are legible. Plans pair measurable targets — deliveries, invoiced value, attach rates, service hours — with payout slabs. Participants are enrolled with per-person targets. Anyone can read what earns what.
- The actuals come from the record. The engine matches performance from the same documents that ran the business and posted the books — not from a monthly extract someone massaged. If the invoice exists, it counts; if it was credited back, it uncounts.
- The computation is inspectable. The earner can trace their payout line to the transactions behind it. Disputes become lookups; lookups end arguments.
The service side deserves the same rigour
Workshop incentives run on efficiency: hours sold versus hours clocked, first-time-fix, jobs closed. That only works when technician timesheets are captured on the job as typed activity — which they are, when execution is digital — and when the same hours join payroll cost in resource-wise profitability. The technician's incentive, the workshop's economics and the P&L read one set of records.
The last mile: payroll
A computed incentive that arrives as a surprise deduction-shaped line in a pay slip has wasted its credibility budget. The payout flows to payroll as a visible, named component — earned in March, paid with April's run, taxed correctly — with the trail from pay slip back to plan intact. When the money's arrival matches the scheme's promise, the next quarter's behaviour change sticks.
What this kills
The parallel books. Every organisation with spreadsheet incentives is running a second, unaudited ledger of what people are owed — maintained by the most junior analyst, reconciled never. Moving incentives onto the operational records doesn't just motivate better; it deletes a whole category of quiet liability.
In the product: dealership schemes & incentive automation; the books it ties to: financial accounting.