Union Square Ventures, LLC is a private equity and venture capital firm established in 2003 and headquartered in New York. The firm specializes in early-stage, growth capital, and late-stage financing, primarily focusing on internet-related ventures, including web applications, internet services, and mobile technologies. Union Square Ventures seeks to invest in companies that leverage information technology in innovative ways across diverse sectors such as media, marketing, financial services, fintech, climate tech, blockchain, telecommunications, and healthcare. The firm targets investments in businesses capable of creating large networks of engaged users and those that demonstrate strong user experience and defensibility through network effects. Union Square Ventures typically makes initial investments ranging from $1 million to $3 million, with a maximum investment of up to $20 million per company. The firm prefers to take an active role in supporting entrepreneurs and aims for ownership stakes of 15% to 20%. Its investment strategy is geographically focused on companies located in major cities such as New York, San Francisco, London, and Berlin.
Pluralis Research operates as an AI start-up that uses decentralized training to create open-source AI.
WalletConnect
Series B in 2025
Reown is a developer of an open-source protocol that facilitates secure connections between decentralized applications and users' wallets in the blockchain and cryptocurrency industry. The protocol enables communication and transaction signing without exposing users' private keys, ensuring safety and privacy. By utilizing end-to-end encryption and QR code scanning, Reown allows desktop decentralized applications to connect seamlessly with mobile wallets. This innovative approach enables application developers to integrate with multiple wallets through a single implementation, enhancing user convenience while maintaining security. Based in Zug, Switzerland, Reown aims to simplify the user experience in decentralized applications without compromising on privacy or security.
WalletConnect
Venture Round in 2022
Reown is a developer of an open-source protocol that facilitates secure connections between decentralized applications and users' wallets in the blockchain and cryptocurrency industry. The protocol enables communication and transaction signing without exposing users' private keys, ensuring safety and privacy. By utilizing end-to-end encryption and QR code scanning, Reown allows desktop decentralized applications to connect seamlessly with mobile wallets. This innovative approach enables application developers to integrate with multiple wallets through a single implementation, enhancing user convenience while maintaining security. Based in Zug, Switzerland, Reown aims to simplify the user experience in decentralized applications without compromising on privacy or security.
Logseq
Seed Round in 2022
Logseq is an open-source knowledge management tool that facilitates the organization and sharing of information through local plain-text Markdown and Org-mode files. It allows users to write, manage tasks, and maintain to-do lists without the risk of data lock-in or reliance on proprietary formats. With the ability to edit files collaboratively using any compatible tool, Logseq promotes flexibility and accessibility. Additionally, it features a query system that aids users in extracting insights and customizing their workflows, making it suitable for both individual and organizational task management.
WalletConnect
Series A in 2022
Reown is a developer of an open-source protocol that facilitates secure connections between decentralized applications and users' wallets in the blockchain and cryptocurrency industry. The protocol enables communication and transaction signing without exposing users' private keys, ensuring safety and privacy. By utilizing end-to-end encryption and QR code scanning, Reown allows desktop decentralized applications to connect seamlessly with mobile wallets. This innovative approach enables application developers to integrate with multiple wallets through a single implementation, enhancing user convenience while maintaining security. Based in Zug, Switzerland, Reown aims to simplify the user experience in decentralized applications without compromising on privacy or security.
Sofar Ocean
Series B in 2021
Sofar Ocean is a build-accessible ocean sensing and exploration tool for ocean enthusiasts, industry, and conservation. The company builds accessible tools for ocean enthusiasts, industry, and conservation, operating a vast sensor network that provides real-time insights. Sofar Ocean is actively expanding its network of ocean monitoring devices and enhancing its data platform to integrate more robust predictive capabilities. It is also forming partnerships to improve global ocean monitoring systems and support climate resilience initiatives.
Protocol Labs
Initial Coin Offering in 2017
Protocol Labs is a research, development, and deployment lab for network protocols. Protocol Labs creates software systems that tackle significant challenges, aiming to solve them with new technology breakthroughs, great user experience design, and an open-source approach to creation.
OpenBazaar
Venture Round in 2016
OpenBazaar is a new way to trade online. By running a program on your computer, you can connect directly to other users in the OpenBazaar network and trade with them. This network isn't controlled by a company, it's a decentralized network that isn't run by any organization at all. This means there are no mandatory fees to pay, and that your trade is censorship-resistant. OpenBazaar uses Bitcoin, a digital currency that is also cheap to use, decentralized, and censorship-resistant. This project is open source, which means the code is publicly available, can be reviewed, and anyone can join the project and suggest changes.
Protocol Labs
Venture Round in 2016
Protocol Labs is a research, development, and deployment lab for network protocols. Protocol Labs creates software systems that tackle significant challenges, aiming to solve them with new technology breakthroughs, great user experience design, and an open-source approach to creation.
OpenBazaar
Seed Round in 2015
OpenBazaar is a new way to trade online. By running a program on your computer, you can connect directly to other users in the OpenBazaar network and trade with them. This network isn't controlled by a company, it's a decentralized network that isn't run by any organization at all. This means there are no mandatory fees to pay, and that your trade is censorship-resistant. OpenBazaar uses Bitcoin, a digital currency that is also cheap to use, decentralized, and censorship-resistant. This project is open source, which means the code is publicly available, can be reviewed, and anyone can join the project and suggest changes.
Boxee
Series C in 2011
Boxee is a media player software platform that combines locally stored media with Internet streaming content and social networking features. It allows users to share their viewing habits with friends on platforms like Twitter and Facebook. The software is partially open-source, enabling users to develop their own applications, plug-ins, and skins. The framework of Boxee is derived from the Xbox Media Center project, originally created by home theater enthusiasts. In addition to the software, Boxee has developed an electronic device that connects phones to televisions, allowing users to easily access and display shows, movies, and clips from the Internet on their TVs.
Avoidance of Mass Extinctions Engine
Series B in 2010
Amee’s mission is to provide credible environmental data on every organisation in the world, starting with 2.7 million in the UK. They believe that providing free access to this information will enable businesses, governments and consumers to make better decisions about the use of our planet’s resources. Open access to information has long been a key driver of innovation and prosperity. The Internet has accelerated this trend by improving the flow of information and catalysing networks for collaboration. amee leverages these forces to improve sustainability by creating a unique and open network where every organisation can update, compare and share environmental data for free. They are confident that organisations which use this information will become more efficient, responsible, and resilient.
Boxee
Series B in 2009
Boxee is a media player software platform that combines locally stored media with Internet streaming content and social networking features. It allows users to share their viewing habits with friends on platforms like Twitter and Facebook. The software is partially open-source, enabling users to develop their own applications, plug-ins, and skins. The framework of Boxee is derived from the Xbox Media Center project, originally created by home theater enthusiasts. In addition to the software, Boxee has developed an electronic device that connects phones to televisions, allowing users to easily access and display shows, movies, and clips from the Internet on their TVs.
Boxee
Series A in 2008
Boxee is a media player software platform that combines locally stored media with Internet streaming content and social networking features. It allows users to share their viewing habits with friends on platforms like Twitter and Facebook. The software is partially open-source, enabling users to develop their own applications, plug-ins, and skins. The framework of Boxee is derived from the Xbox Media Center project, originally created by home theater enthusiasts. In addition to the software, Boxee has developed an electronic device that connects phones to televisions, allowing users to easily access and display shows, movies, and clips from the Internet on their TVs.
Avoidance of Mass Extinctions Engine
Series A in 2008
Amee’s mission is to provide credible environmental data on every organisation in the world, starting with 2.7 million in the UK. They believe that providing free access to this information will enable businesses, governments and consumers to make better decisions about the use of our planet’s resources. Open access to information has long been a key driver of innovation and prosperity. The Internet has accelerated this trend by improving the flow of information and catalysing networks for collaboration. amee leverages these forces to improve sustainability by creating a unique and open network where every organisation can update, compare and share environmental data for free. They are confident that organisations which use this information will become more efficient, responsible, and resilient.
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