AOI Service is an online portal connecting households, businesses and property managers with independent, qualified professionals for 24-hour emergency and maintenance services. It operates across Emilia-Romagna and Veneto, as well as several provinces in Lombardy, with coverage including cities such as Parma, Bologna, Verona, Padua, Brescia and Milan. The service is available every day, including public holidays.

Its network handles locksmith work, plumbing and leak detection, drain unblocking, electrical repairs, boiler servicing, and air-conditioning maintenance and repairs. Technicians also assist with pellet stoves, shutters, gates and related systems. Services include lock replacement, heating and cooling equipment care, refrigerant recharging, and electrical installation work, with relevant certifications and documentation provided where applicable.

AOI Service serves private customers, condominiums and businesses, offering emergency callouts as well as scheduled maintenance and service agreements. Prices displayed online are indicative; the technician provides a final quote after assessing the job and before work begins, and no charge is made without customer approval.