How commission compensation actually works
Commission structures in sales roles typically follow a pattern: base salary + variable commission at various rates against a quota. A typical SaaS account executive in 2026 might have $80k base + $80k variable OTE (on-target earnings), with commission paid at 10% of revenue up to quota ($1.6M/yr), 15% on revenue above quota, and accelerators to 20%+ above 150% of quota.
Real math. Rep hits 120% of quota = $1.92M in revenue. Commission: $1.6M × 10% = $160k + $320k × 15% = $48k. Total commission $208k. Plus base = $288k total comp. That's significantly above the $160k OTE because the accelerator above quota pays at higher rates.
Conversely, a rep at 80% of quota = $1.28M revenue earns only $128k commission (no accelerator activated) + $80k base = $208k — 70% of OTE. Commission plans reward overperformance asymmetrically.
The tiered commission math
Most modern commission plans have 3-4 tiers: (1) floor (usually nothing below a minimum quota achievement, 50-60%), (2) quota achievement rate (10-12% of revenue, from 0-100% of quota), (3) accelerator (12-20% on quota overachievement, 100-150% of quota), (4) super-accelerator (20-30%+, above 150% of quota).
The tiered structure rewards the "extra mile" math: going from 100% to 120% of quota can easily double your commission on that incremental revenue. Going from 80% to 100% is linear; the economic reward for pushing past quota is disproportionate.
For reps, this means: crossing quota is the single most important threshold. A rep at 95% should push hard to hit 100%. A rep at 105% should push to 120%. A rep at 140% should push to 150% for the super-accelerator.
Draw vs commission-only — two structures
Draw against commission: You receive a regular paycheck (the draw), which is an advance against future commissions. If commissions don't cover the draw, you either owe the difference (recoverable draw) or not (non-recoverable draw, common for new hires for 6-12 months).
Commission-only: You're paid purely on commissions earned, no salary. Common in real estate, insurance, high-ticket B2B sales. Feast-or-famine cash flow — one big deal makes a quarter; a dry quarter means no income.
Most corporate sales roles are draw-against-commission with a "non-recoverable guarantee" for the first 3-6 months. After that, if you don't hit minimum commission thresholds, you're either let go or moved to a commission-recovery plan.
The 'clawback' trap
Many commission plans include clawback provisions: if a customer cancels or doesn't pay, the commission is retroactively reversed. You can lose commission on a deal that was booked 6-12 months ago.
This is most common in SaaS (annual contracts with mid-year cancellation) and financial services (fees earned over multi-year client relationships). Commission plans often specify: (a) commission vests over time (paid out 40% at booking, 60% at anniversary renewal), or (b) chargebacks for cancellations within X months.
Before signing a commission-heavy role, ask: "What's the clawback window? If a customer cancels in month 7, do I lose the commission? Do I owe it back in cash?" Get the answer in writing.
Tax treatment of commissions
Commission income is taxed the same as regular wages — ordinary income, subject to federal, state, FICA, and local. Withholding is often handled at the flat 22% federal supplemental rate, same as bonuses. If your marginal bracket is higher, you'll owe more at year-end filing.
For reps with large variable income, quarterly estimated tax payments are often required to avoid IRS underpayment penalties. Use Form 1040-ES to calculate; pay by April 15, June 15, September 15, and January 15.
High-commission reps should also consider retirement plan contributions (SEP-IRA, solo 401(k) for 1099 reps; traditional 401(k) with maximum deferral for W-2) and tax-loss harvesting if they have a taxable brokerage account.
Evaluating a commission plan before you sign
Questions to ask: (1) What's the on-target earnings (OTE) and what does the company historically pay at the 50th and 80th percentile of reps? (2) What's the ramp period? (3) Are leads provided or am I prospecting? (4) What's the territory and is it defended? (5) What's the clawback policy? (6) What happened to the previous rep in this territory?
The most important question: what percentage of reps hit 100% of quota? If it's under 50%, the plan is rigged against you. 60-70% is healthy. 80%+ means quota is too low and the accelerators are where the real comp is.
Verify by talking to current reps on LinkedIn. Ask: "What's your OTE achievement this year? Last year? Has the company made plan changes mid-cycle?" Mid-cycle plan changes are a red flag.
Disclaimer
This is not financial or employment advice. Commission plans vary widely by industry, company, and role. Clawback provisions, draw recovery, and quota-setting rules can materially affect your take-home income. For commission-heavy roles, read the full commission plan before signing and consider consulting an employment attorney if the terms are complex or asymmetrical.