# Controlling Interest

> an interest in shares giving to the holder or holders control of the Company within the meaning of section 1124 of the CTA 2010;

**Term:** Controlling Interest  
**Last updated:** 2026-07-29

## Definition

## What Controlling Interest Means in a Contract

A Controlling Interest clause identifies the point at which a person or group holds sufficient shares or voting power in a company to direct how that company is run. Contracts reference this concept to decide when a change in ownership matters enough to trigger a legal consequence, such as a right to terminate, a consent requirement, or a notification obligation. The underlying idea is not simply owning shares, but owning enough of them, or having enough associated rights, to steer the company's decisions.

In commercial agreements, this term is rarely left to common sense. Parties usually anchor it to a specific statutory test so both sides know exactly what threshold applies. Referring to a defined statutory meaning, such as the test used in tax legislation governing company control, removes ambiguity about whether a 25 percent stake, a 51 percent stake, or some combination of shares and rights counts as control.

This matters because contracts often continue in force despite a change of shareholders, but the parties may not want to be bound to a counterparty whose ownership has shifted dramatically. A Controlling Interest definition gives the parties a precise, testable standard rather than a vague reference to.

## Context

### Relevant circumstances

- When a shareholder's stake reaches the statutory test for company control
- If a sale of shares would shift control under section 1124 CTA 2010
- Where change-of-control triggers consent or termination rights

### Relevant sectors

- Finance
- Legal Services
- Business Services

## Relevant contract types

- [Conflict of Interest Policy](https://www.genieai.co/en-us/template-type/conflict-of-interest-policy)
- [Service Agreement](https://www.genieai.co/en-us/template-type/service-agreement)
- [Sale Agreement](https://www.genieai.co/en-us/template-type/sale-agreement)

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