AI Equity Split Generator
Avoid the Most Common Startup Conflict
Disagreements over equity are among the leading causes of co-founder breakups. Our AI generator provides a data-driven framework for dividing equity fairly by analyzing each founder's contributions across multiple dimensions — idea generation, capital, skills, time commitment, and risk. Get an objective recommendation with clear rationale that you can use as a starting point for your founding team discussion.
Build Your Founding Team on a Fair Foundation
A fair equity split motivates all founders and prevents resentment as the company grows. Our generator goes beyond simple percentages to include vesting schedules, departure scenarios, and long-term considerations. By addressing these critical questions early and transparently, you create a strong foundation of trust and alignment that helps your founding team weather the challenges of building a company together.
Frequently Asked Questions
Should co-founders split equity equally?
Equal splits are simple but often unfair if contributions are unequal. An equal split works when founders contribute similar levels of effort, risk, capital, and skills. When contributions differ significantly — one founder works full-time while another is part-time, or one invested capital while others did not — a weighted split better reflects each person's value. Our generator analyzes multiple factors to recommend a fair allocation.
What factors should determine equity split?
Key factors include: the original idea and vision (typically 5-10% weight), capital invested, time and effort commitment (full-time vs. part-time), technical skills and execution (who builds the product), business skills and connections (who brings customers), opportunity cost (what each person gives up), and future expected contributions. Our generator weighs each of these categories based on your specific founding team dynamics.
Why is vesting important for co-founders?
Vesting protects all founders if someone leaves early. Without vesting, a co-founder could leave after six months with 40% of the company. Standard vesting is 4 years with a 1-year cliff — no equity vests until the first anniversary, then it vests monthly or quarterly over the remaining 3 years. This ensures equity is earned through continued contribution, and departing founders do not retain unearned ownership.
When should we finalize our equity split?
Finalize your equity split before significant work begins or any money is invested. The longer you wait, the harder the conversation becomes as people develop different expectations. Have the discussion early, document it legally (via a founders agreement or operating agreement), include vesting terms, and address what happens if a founder leaves. Early clarity prevents one of the most common and destructive startup conflicts.
What happens to equity if a co-founder leaves?
With proper vesting, a departing founder keeps only their vested shares. Unvested shares typically return to the company (through repurchase rights or forfeiture clauses). Without vesting, the departing founder keeps their full allocation — a deeply unfair outcome for those who remain. Always include good leaver/bad leaver provisions in your founders agreement to handle departure scenarios fairly and protect the remaining team.
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