Atlassian is a multinational proprietary software company headquartered in Sydney, Australia, that specialises in collaboration tools designed primarily for software development and project management. Founded in Sydney in 2002, the company has over 12,000 employees across 14 countries. Atlassian currently serves over 300,000 customers in over 200 countries and territories around the world. Atlassian maintains its global headquarters in Sydney, alongside a secondary US hub in San Francisco. In 2013, the group established UK-registered Atlassian Corporation Plc as its parent entity. In 2022, the group completed a corporate reorganisation, establishing a US-domiciled parent holding company, Atlassian Corporation, to replace the UK entity.