The Document Two Co-Founders Always Forget

You and a friend start a company. You split the shares 50/50, shake hands, and get to work. Eighteen months in, one of you wants to bring in an investor, the other wants to stay lean and neither of you can move, because 50/50 means nobody has the deciding vote. The company stalls over a disagreement that paperwork could have settled in an afternoon.

That paperwork is a shareholder agreement, and it’s the single most valuable document most early-stage companies don’t have.

Incorporating gives you a company. It does not tell you what happens when the humans behind it disagree, leave, or fall out. The default rules in your governing statute fill some gaps, but they’re generic they weren’t written for your business, your relationships, or your plans. A shareholder agreement is where you decide those things while everyone still likes each other.

What it actually does for you. A good agreement answers the questions that turn into lawsuits later. What happens if a founder quits, dies, or becomes disabled, do their shares get bought out, and at what price? Can someone sell their stake to an outsider, or do the others get first refusal? Who has to approve big decisions like taking on debt or selling the company? How do you break a deadlock? None of these are urgent on day one. All of them become urgent, and expensive, exactly when the relationship is already strained.

The hardest time to negotiate these terms is in the middle of the dispute they were meant to prevent. The easiest time is now, when no one has anything to lose and everyone is reasonable.

Your move. If you have more than one shareholder and no agreement, treat it as your next priority. Sketch out what you’d each want to happen in the four scenarios above (exit, sale, deadlock, death/disability), then have a lawyer turn it into an enforceable document. Expect it to cost less than a single month of the dispute it prevents.