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Seed Enterprise Investment Scheme (SEIS)

Supports first-time United Kingdom entrepreneurs by encouraging seed-stage investment through investor tax incentives.

HM Revenue and CustomsUnited KingdomTax credit

SEIS is the seed-stage companion to EIS, targeting very early companies that are too small or young for EIS. Companies can raise up to £250,000 total (raised from £150,000 in April 2023). Investors receive 50% Income Tax relief plus a 50% CGT reinvestment exemption on gains reinvested in SEIS shares. Eligibility is narrower than EIS: trade must be less than 3 years old at share issue; gross assets…

AIBiotechClimate TechEnergy TechHardwareIoT & EdgeAdvanced ManufacturingAdvanced MaterialsMedtechPhotonicsQuantumRoboticsSemiconductorsSpaceSynthetic BiologyMobility

Each grant below is a distinct funding opportunity with its own eligibility, scope, and deliverables.

Last verified: 31 May 2026Source: www.gov.uk