You and your co-founder are excited. You have a great idea, complementary skills, and the energy to build something meaningful. The last thing on your mind is paperwork. But here is the uncomfortable truth: co-founder disputes are one of the top three reasons early-stage startups shut down — not market fit issues, not funding problems, but people problems.
A Co-Founder Agreement written on Day 1 costs you a few hours. A legal dispute between co-founders after Year 2 can cost you months in court, hundreds of thousands in legal fees, and potentially the company itself.
What Does a Co-Founder Agreement Cover?
1. Equity Split
This is the most discussed — and most often mishandled — decision in early startups. The temptation is to do an equal split (50/50 or 33/33/33) because it feels fair. But fair is not always the right framework. Consider:
- Who came up with the core idea?
- Who is contributing capital (cash investment)?
- Who is going full-time from Day 1 vs joining later?
- Whose network will bring the first 10 customers?
- Who has the domain expertise that is hardest to replace?
There is no perfect formula. But the conversation needs to happen explicitly, with numbers written down, before any money changes hands.
2. Vesting Schedule
Vesting is the single most important protective mechanism in a Co-Founder Agreement, and it is routinely skipped by Indian startups. Here is why it matters:
Imagine Founder A holds 40% equity. After 6 months, they get a high-paying job and decide to leave. Without vesting, they walk away with 40% of your company and contribute nothing going forward. Every investor you talk to will see this on the cap table and walk away.
With a vesting schedule (standard: 4-year vesting with 1-year cliff):
- Year 1 cliff: 0% vests until the 1-year mark. If they leave before 1 year, they get nothing.
- At 12 months: 25% of their equity vests at once (the "cliff")
- Months 13–48: Remaining 75% vests equally each month
3. Roles and Decision-Making
Clearly define who is the CEO, who leads technology, who leads sales. More importantly, define which decisions need everyone's approval (fundraising, pivoting the product, hiring above a certain salary) and which each person can make independently in their domain. Ambiguity here leads to daily friction.
4. Intellectual Property Assignment
This clause is non-negotiable, yet it is often the most overlooked. Every founder must explicitly assign all IP they create — code, designs, algorithms, brand assets, product concepts — to the company. Not to themselves. To the company.
Without this clause, a CTO who quits technically owns the codebase they wrote. A designer who leaves takes their designs with them. This is not hypothetical — it has happened to multiple Indian startups.
5. Non-Compete and Non-Solicitation
For a reasonable period after leaving (typically 12 months), a departing co-founder should not be able to:
- Start or join a directly competing company
- Poach your team members or contractors
- Approach your existing customers to do business with their new venture
6. Exit Provisions
What happens when a co-founder wants to leave or sell their stake? Without a clear exit mechanism, the company can be held hostage. The key clauses are:
- Right of First Refusal (ROFR): Before selling to anyone, the departing founder must first offer shares to the remaining founders at the same price
- Good leaver vs bad leaver: A founder who resigns for valid reasons gets treated differently from one who is removed for misconduct
- Deadlock resolution: What happens if two equal co-founders completely disagree on a critical decision?
The Three Most Common Mistakes
- "We'll figure it out later" — The number one mistake. Once money, customers, and reputation are involved, nothing is easy to "figure out." Write it now.
- No vesting — The most expensive omission. Every investor will ask about your vesting schedule. If you do not have one, they will ask you to add one — at which point it is far more uncomfortable to negotiate.
- Skipping IP assignment — Your company literally does not own its product until this is signed.
💡 Use goLex's Startup Contract Generator to create a comprehensive Co-Founder Agreement — with equity table, vesting schedule, IP assignment, and exit provisions — and download the PDF instantly.