Altos Ventures is a Silicon Valley–based venture capital firm founded in 1996 that invests in early-stage and growth technology companies across sectors including enterprise software, consumer internet, cloud services, and digital marketplaces. The firm provides long-term capital and strategic support from seed through later venture rounds, often partnering with founders over multiple stages of growth without imposing rigid investment timelines. Altos has a global investment footprint with offices in the U.S. and Asia, backing companies that have achieved significant scale or liquidity events. Its investment approach emphasises founder alignment, operational collaboration and sustainable value creation. Altos manages institutional capital and works alongside co-investors to help portfolio companies expand market reach and commercial impact.