Sidewalk Infrastructure Partners (SIP)

Sidewalk Infrastructure Partners (SIP) is an independent technology-enabled infrastructure holding company founded in 2019 and backed by Alphabet.

The company focuses on developing and operating proprietary innovation platforms to support the energy and computing needs of an AI-driven economy. SIP's mission is to transform urban systems by integrating technology and infrastructure to create sustainable and equitable solutions for social and environmental challenges. SIP operates across five key verticals: Advanced Mobility, Energy, Digital Infrastructure, Water & Waste/Recycling, and Social Infrastructure. Its platforms include Cavnue, which develops dedicated corridors for autonomous vehicles; CoFi, a financial technology for accelerating 5G deployment; Polysift, which enhances material recycling; Resilia, focused on environmental resilience; and ReCirc, which supports waste management systems. SIP primarily serves municipalities, urban developers, public sector entities, and infrastructure investors, emphasizing a business-to-government model to reshape urban landscapes.