Cactus is customer-centric modular and efficient IoT Technology. A multidisciplinary engineering consultancy with large experience with software and hardware development, specialized in end-to-end electronic solutions that cover the whole IoT market range: Healthcare, Energy, Agriculture, Finance, Manufacturing, Retail, Hospitality, Transportation and Logistics. During more than 15 years, we succeed at building up efficient technology around our customer needs in a continuous delivery work methodology. Deep expertise with connectivity (WLAN, BLE, LoRa, 5G, ...), power management (ultra low power consumption), artificial intelligence (machine learning), sensing (water, temperature, pressure, humidity, AGM, gas, CMOS, ....), developing secure and distributed cloud architectures and custom app and web developments. Efficiency is our passion. Whether developing hardware, cloud infrastructures or custom apps, we always design the solution that requires fewer resources, thus saving energy, our client's money and providing a contribution to a more sustainable world.