Mida OS

SEIS · Forms

SEIS2 forms filed with zero hassle.

The SEIS2 form confirms your company’s qualifying status to HMRC and supports the broader SEIS compliance process. It needs to be accurate, complete and submitted on time.

Mida OS prepares your SEIS2 submission, aligns it with your SEIS1 compliance statement and cap table, and handles HMRC follow-up — so your compliance chain stays unbroken.

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.