İŞ ORTAKLARI

KCA INTERNATIONAL DESIGNERS, Londra
TRICON (FOOD SERVICE CONSULTANTS) Londra
RICCA NEW MARK DESIGN ( FOOD FACILITY & LAUNDRY DESIGN)
FOUR SEASONS HOTELS AND RESORTS Toronto
SWISSOTEL HOTELS AND RESORTS
PINNIGER& PARTNERS LIGHTING DESIGN UK
NERGİZ ARİFOĞLU AYDINLATMA DANIŞMANLIĞI İstanbul
ABDURRAHMAN KILIÇ, KAZIM BECEREN(Yangın Danışmanlığı) İstanbul
HPP ARCHITECTS Dusseldorf
RSA DESIGN GROUP Michigan, USA
ZIMMER GUNSUL FRASCA Portland, USA
NIKKEN SEKKEI PLANNERS ARCHITECTS ENGINEERS Tokyo, Japonya 
ARUP ASSOCIATES Londra
KEVIN ROCHE, JOHN DINKELOO AND ASSOCIATES USA
KANKO KEIKAKU SEKKEISHA Tokyo, Japonya 
ARUP ACOUSTICS Londra 
BDP, BUILDING DESIGN PARTNERSHIP Manchester
DUYAL KARAGÖZOĞLU ( Acoustics and Noise Control) İstanbul
STD SORGUN AKKOR (Ses teknolojileri) İstanbul
DEREK LOVEJOY PARTNERSHIP Londra 
CARR AND ANGIER (THEATER ENGINEERING) Bath
THORNSON TOMASETTI ENGINEERS
SYSKA AND HENNESY New York, USA