IIEQSY
IEQSY (Improve Energy Quality, S.L.) is a Madrid-based energy-efficiency engineering company that designs and manufactures equipment to improve electrical power quality — eliminating micro-cuts, filtering harmonics and reducing losses at the point of consumption — with claimed savings of 10–18% on clients' energy consumption. Founded in 2019 in Tres Cantos, it sells hardware (IEQSY SMART, SEW, SVG, Power, APF) plus energy audits and predictive maintenance to industrial, logistics, retail and healthcare clients including Vodafone, FCC, Aqualia, Valeo, McDonald's and Fnac, with 150+ installations across Spain, Portugal, France, Italy, Germany, the UK and Egypt. In December 2022 Moira Capital Partners agreed to inject €10M for roughly 30% of the company.
Profile updated 19 Aug 2026
