Advance Survey Group operates across the world through its network of delegates and representatives Head offices - Barcelona Av. Corts Catalanes, 9-11 – Oficina 14 C 08173 Sant Cugat del Vallès (Barcelona) España Contact: Javier de Balle Tel. +34 935 530 881 Fax +34 935 839 515 advance@advance-survey.com Madrid c/Estambul, 22 - 1er piso 28922 Alcorcón (Madrid) España Contact: David Martín Tel. +34 911 020 970 (ext. 425)   advance@advance-survey.com Portugal Pcta Colégio de Gaia, 362 4º 4400-090 Vila Nova Gaia Contact: João Mata Tel. +351 919 447 911   portugal@advance-survey.com 24 hours, 365 days For any emergency outside office hours, Sundays and holidays, call these numbers: +34 664 345 295 +34 664 345 283 +34 610 136 422