Is each project on cardano a separate company?

No, not every project on Cardano is a separate company. Projects on Cardano can take various forms, including:

1. Independent Startups/Companies: Some projects on Cardano are developed by separate companies or startups, particularly in the areas of decentralized finance (DeFi), NFTs, and dApps (decentralized applications).
2. Community or Open-Source Projects: Many projects on Cardano are open-source initiatives or community-driven, meaning they are not tied to a specific company but are developed collaboratively by contributors from around the world.
3. Collaborations and Partnerships: Some projects are the result of partnerships between organizations, universities, or non-profit entities working together to leverage Cardano’s blockchain.
4. Individuals or Small Teams: In some cases, projects on Cardano are created by individual developers or small teams without forming formal companies. These might be early-stage projects, experiments, or hobbyist efforts.

While some of the larger and more structured projects may be run by established companies, many are not separate legal entities but rather decentralized efforts or collaborations within the Cardano ecosystem.