S2G Ventures Competitors

Y Combinator is the leading startup accelerator for entrepreneurs. Since 2005, YC has invested in over 5,400 companies, including Airbnb, Dropbox, Stripe, Reddit, Instacart, DoorDash, and Coinbase. Today, YC has built the most powerful startup community in the world alongside the products and programs to support founders for the life of their company.

Khosla Ventures invests in companies that are bold, early and impactful. The firm was started in 2004 by Vinod Khosla, co-founder of Sun Microsystems, to provide venture assistance to entrepreneurs. Headquartered in Menlo Park, Calif., Khosla Ventures invests in a range of areas including AI, climate, sustainability, enterprise, consumer, fintech, digital health, medtech and diagnostics, therapeutics and frontier technology.

Founded by Brendan Wallace, Fifth Wall is the largest investment firm focused on technology for the built environment. The Firm is driving the growth of nearly 170 companies, backing category-defining PropTech leaders such as Opendoor, Procore, Blend, Hippo, and Bilt Rewards. It's supported by nearly 115 of the world's largest real estate owner-operators including CBRE, Hilton, Hines, Marriott, Public Storage, Related, and Starwood. Founded and headquartered in Los Angeles, Fifth Wall's other offices include New York City, San Francisco, and London. In the last 12 months alone, Fifth Wall has continued to accelerate across investing, value creation, and platform growth. In 2025, the Firm completed 30 investments across its funds, most recently including James Harris' Breezy and Oliver Ripley & Travis Kalanick's Sekra; exited two major positions (including ServiceTitan and Industrious); added more than 20 new strategic LPs to its flagship strategy; and helped drive more than $1B in cumulative portfolio revenue through its LP network. The Firm also more than doubled its pace of new investments versus 2024, advanced seven senior promotions, and expanded its Los Angeles team with five new hires, reflecting continued momentum across both PropTech and Climate. For more information, visit fifthwall.com.