Full membership is open to primary designers and manufacturers of storage equipment with manufacturing facilities in the UK. Members are required to ensure their product designs conform to a third party assessment in line with the SEMA QAS and will normally have been trading in storage equipment for a minimum of two years and have a turnover of £1.5m of which a minimum of £0.5m will be in products listed within Appendix 1 of the SEMA Constitution and for which there exists a SEMA Code of Practice.