SEIS · Compliance

Submit your SEIS compliance statement without stress.

The SEIS1 compliance statement is the key filing that lets your investors claim SEIS tax relief. Get it wrong and the relief is at risk. Mida OS handles the entire submission process.

We gather your raise data, verify every qualifying condition, and submit the SEIS1 statement to HMRC. After approval, we issue SEIS3 certificates to each of your investors.

SEIS1 compliance statement drafted
Qualifying condition verification
Investor detail & cap table checks
HMRC submission managed
SEIS3 certificates distributed
Complete compliance tracking

One managed stack for your startup’s back office.

Mida OS handles legal, accounting, compliance and payroll for UK founders — one price, everything included. £350/month.

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