by Undo Capital
December 15, 2025

What Is EMI40 Annual Return?

The EMI40 Annual Return is the mandatory HMRC filing that UK companies submit each year to report all activity under their EMI (Enterprise Management Incentive) option scheme.

EMI40 Annual Return Meaning

The EMI40 annual return centres on compliance and transparency. To define EMI40 annual return in practice, it records all EMI-related events during the tax year, including option grants, exercises, lapses, cancellations and adjustments. A clear EMI40 annual return definition is essential because failure to file it on time can lead to the loss of EMI tax advantages for both the company and employees. It stands for the core annual compliance obligation for any business operating an EMI scheme.

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