DAR Hire London Ltd supplies audio-visual production and event technical services across London venues. The team designs and executes networked AV infrastructure, from 4K projection systems and laser lighting to wireless microphone arrays and redundant digital audio paths. Recent projects include a 500-delegate corporate leadership summit with twelve networked 65-inch displays, a 72-hour pharmaceutical residency with zero-latency live switching, and activations for Warner Bros, Google London, and The National Gallery. They provide on-site engineering during events and specialise in multi-room technical coordination.