Sweat equity is company ownership granted in exchange for labor, not money.

How it works

Founders often take below-market pay and receive common stock or options subject to vesting. Early contractors sometimes accept partial equity for reduced fees—risky without clear agreements. The IRS treats equity compensation as taxable when vested or at 83(b) election timing; founders file 83(b) on restricted stock to start the clock early.

Sweat equity aligns incentives but illiquid until a liquidity event unless secondary sales are permitted.

Why it matters

• Founders: Paper wealth is not cash—plan personal runway separately from equity value on the cap table.

Common mistake

Promising equity verbally without stock purchase agreements, IP assignment, and vesting schedules. Disputes explode at the first financing or exit.

Related ideas

Vesting, 83(b) election, founder stock, and option pool.

When you will see it

Cofounders who defer salary for equity rely on sweat equity with four-year vesting and cliff—documented on day one, not handshake deals.

Questions to ask

• Is restricted stock filed with an 83(b) election within 30 days?
• Are IP assignment and vesting schedules signed before work starts?
• What happens to unvested sweat equity if someone leaves?

Practical takeaway

Treat sweat equity as something to define precisely in writing—not assume everyone in the room shares the same meaning. In term sheets, board decks, and LP updates, tie the concept to a concrete decision: a vote, a price input, a fund policy, or a metric formula. When definitions drift, teams misprice risk, miss leverage, or waste cycles on the wrong conversation.