Association of Licensed Telecommunications Operators (ALTO) Limited (ALTO) Registration information Date of registration 28 Sep, 2015 Date last updated 25 Jun, 2025 Contact information Principal Address Herbert House, 18 - 22 Pembroke Road, Dublin 4, Dublin, D04 TT68, Dublin Country Ireland Contact phone number +353872053215 Main activities of the organisation Representative Body Responsible person Name Ronan Lupton Email ronan.lupton@alto.ie Phone Number +353872053215 CRO Information CRO 305462 Company Registration Name N/A Registration details have changed during return period