Glossary · Ownership

What is Shareholders' agreement 

Definition

The contract between owners setting out control, decision rights, share transfers and what happens when someone leaves or the business is sold.

Applies to: US and UK · Reviewed by James Doyle

In practice

Reserved matters decide which choices need investor consent — usually borrowing, hiring above a threshold, and changing the business plan.

Leaver clauses are where founders get hurt. Understand good-leaver and bad-leaver definitions before signing, not during a dispute.

Put the theory to work.

Model your rates, costs and funding with the calculators built on our own 2025 data.