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Splitting equity fairly, start to finish

Notes on co‑founder equity, partnership agreements, and the conversations teams avoid until they cannot.

Co-founder equity · October 28, 2026

Anthropic's co-founders split equity equally. Should yours?

Anthropic's seven co-founders hold nearly equal stakes and equal votes. An equal split can be exactly right. Here's how to tell whether your team is choosing equal on purpose or just ending the talk.

Co-founder equity · October 26, 2026

How much equity should a late co-founder get?

Late co-founder equity has no standard percentage. It depends on the company already built and the work still ahead. See what to put on the table before anyone scores.

Co-founder equity · October 23, 2026

How to split ownership in a small business partnership

How to split ownership in a business partnership that isn't a startup. For trades, agencies and practices: agree what counts first, score in private, approve one result, keep the record.

Co-founder equity · October 19, 2026

What is a founder vesting schedule?

A founder vesting schedule is the timetable for equity co-founders have already split. This explains the vesting cliff, why it belongs in the same conversation, and what to ask a lawyer.

Co-founder equity · October 13, 2026

Should co-founders split equity 50/50?

Should co-founders split equity 50/50? Yes, when your start, commitment, risk and inputs match. Test the fit, plan for a 50/50 deadlock, and keep a record.

Co-founder equity · October 10, 2026

How to split equity between co-founders

A calculator gives you a number. A process gives you an agreement your whole team approved and a record you can show a lawyer or investor. Here's the four-phase way to split co-founder equity.