Hawk Services Group Limited

Hawk Services Group (HSG) is a New Zealand–owned group that brings together five specialist brands delivering exterior cleaning, rope access, and height-safety services nationwide. We operate as one integrated team with shared systems, training, and safety standards, providing end-to-end capability from façade and window cleaning through to the design, installation, inspection, and certification of height access and fall-protection systems. Business activities & brands

• BWS (Building Wash Services): Commercial and Urban building washing (full building, roofs, gutters, windows, hot wash, carparks, heritage). Custom built cherry picker trucks. Based in Auckland and Tauranga

• OTL (Off the Ledge): Rope-access pioneers with three decades of abseil maintenance, building washing and window cleaning, inspection, remedial. Based in Auckland

• Window Cleaning Contractors: Long-standing Wellington specialist for window and building washing. From ground work to rope accees. Based in Wellington

• WashCo: Exterior cleaning for complex, multi-site property presentation and access projects. Based in Dunedin.

• Certifix: Nationwide design, installation, inspection, certification, and compliance documentation for height-access and fall-protection systems. Size & reach

• ~115 certified technicians across the Group, with 80+ collective years serving NZ businesses.

• National coverage supported by brand-based regional teams.

• 60+ vehicles in our fleet Ownership: All brands are 100% owned by Hawk Services Group. Not franchise structure.