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Start-ups · Deeptech & Hardware

Maine Avenue Technologies

www.maineavtech.com ↗ ·Madrid ·Seed

Maine Avenue Technologies (MAT) is a Madrid-based company that builds software and hardware for the secure refurbishment of smartphones, tablets, televisions and other connected devices for the circular-economy market. Its Kemyko platform runs on its own operating system (kOS) and a Kemyko Box hardware unit. It handles data backup, certified data erasure, diagnostics, refurbishment and condition checks, both in technical centres and in retail stores, and it holds ADISA security certification. The platform has managed more than 250,000 devices across over 70 brands, and its customers include Telefónica, Vodafone, Orange, Yoigo, Phone House, Game and Zeleris. Javier Contreras and Francisco del Sol founded the company in 2003, and in May 2026 it closed a €200,000 seed round backed by Eoniq.fund, Austral and private investors.

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