Union Square Ventures (USV) is a New York City-based venture capital firm that focuses on early-stage investments in technology companies. Founded in 2003 by Fred Wilson and Brad Burnham, USV has a reputation for backing innovative startups that leverage the internet and mobile technology to create new markets and disrupt existing ones. The firm typically invests in sectors such as software, fintech, and healthcare, and has a portfolio that includes notable companies like Twitter, Etsy, and Coinbase. USV is known for its collaborative approach, working closely with entrepreneurs to help them grow their businesses and achieve long-term success.