Design Investment is a swiss design consultancy specialised in premium design for aircraft interiors in both commercial and private aviation. Directed by Mark and Alexandra Collins the studio's realizations include aircraft cabin interiors, aircraft seating, cabin concepts, cabin lighting, helicopter interiors and aircraft liveries for companies and individuals worldwide, among them are:

AIRBUS | AIR FRANCE | CATHAY PACIFIC | DIEHL AEROSPACE | KLM | LUFTHANSA TECHNIK | PRIVATAIR | RECARO | SR TECHNICS | ZODIAC AEROSPACE