NMi Group
NMi Group is an independent testing, certification and training organisation specialising in metrology, headquartered in Delft, the Netherlands. Its history goes back to the Dutch weights and measures Verification Service, which established dedicated offices in 1873. NMi runs laboratories for EMC, electricity meters, gas meters, weighing and mobility equipment, and in May 2025 it acquired the UK EMC laboratory Electromagnetic Testing Services.
