About DSM Horley.... DSM Horley was established over 30 years ago as a local Gatwick / Horley taxi company providing a 24 hour taxi service. Only 2 miles from Gatwick airport, we supply taxis with 4, 6 or 8 seats. 4, 6, 8 Seater Taxi's ~ Airport Transfers ~ Corporate Taxi Travel ~ 24HR Taxi Travel ~ Wheelchair Accessible Taxi's. We have developed an excellent reputation across Gatwich and Horley and only intend to further improve our services so our customer get the very best service possible. Why us...? You can pay by credit card, or set up company accounts for transport in Horley and Gatwick. As a licensed taxi firm, we specialise in corporate taxi travel for that urgent airport transfer.