GSM Association (GSMA) Registration information Date of registration 09 Jun, 2026 Date last updated 09 Jun, 2026 Contact information Principal Address GSMA, 1 Angel Lane, EC4R 3AB UK, London Country United Kingdom Contact phone number +44 7773667603 Main activities of the organisation Telecommunications Responsible person Name Laszlo Toth Email ltoth@gsma.com Phone Number +32 (479) 559087 CRO Information CRO N/A Company Registration Name N/A