NHS and private IVF clinics in the UK operate under the same regulatory framework for cryogenic storage of human reproductive material. Both must hold the appropriate licence, maintain continuous cold chain integrity, operate validated storage systems and ensure permanent traceability of every stored sample. The practical differences between NHS and private clinics tend to be in scale and procurement rather than regulatory standards. NHS fertility units often manage larger sample volumes across longer storage periods, which places greater demands on storage infrastructure, monitoring systems and internal organisation. Private clinics may have more flexibility in equipment specification and supplier choice. In both settings the requirements for cryogenic grade sample identification are identical — standard permanent markers fail in liquid nitrogen and are not suitable for either NHS or private IVF storage programmes. Cryolab.co.uk supplies cryogenic storage equipment and labelling consumables to both NHS and private fertility clinics across the UK.