SEIS Companies
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In order to qualify for the benefits on offer through SEIS, it is the investor’s responsibility to ensure the following criteria are met:

  • Investor must hold shares for a minimum of three years
  • Company has to remain SEIS compliant
  • Investor must be over 18 years old
  • SEIS is not to be used for tax avoidance purposes
  • Maximum investment through SEIS is £100,000 per year
  • Maximum equity stake in a single company must be under 29%
  • All shares must be bought in cash and paid for in full
  • Investor must not be employed by the company in which they invest


The following criteria must be met by the company in order to be eligible and remain SEIS compliant:

  • Must be established in the UK
  • Must be fully independent
  • Must be under two years old
  • Must be unquoted before beginning SEIS (not listed on any major stock exchange)
  • Must be within a qualifying trade
  • Must have less than 25 employees


Some of the typical trades of firms accessing funding through SEIS are listed below, although this list is not exhaustive and many other sectors and trades can and do successfully source funding:

  • Tech companies
  • Online marketplaces
  • Biotech
  • Mobile App development
  • Medical research
  • Independent film companies
  • Charities/non-profit organisations
  • Pubs and restaurants