Graph database software company based in San Mateo, California. Neo4j, Inc. is a leading software company specializing in graph database technology. Headquartered in San Mateo, California, Neo4j was founded in 2007 by Emil Eifrem and is renowned as the creator of the Neo4j database platform. The Neo4j database is ACID-compliant and uses a labeled property graph model, supporting complex data relationships across diverse use cases such as fraud detection, knowledge graphs, and network analysis. The platform utilizes its proprietary Cypher query language, offering both transactional HTTP and the efficient binary Bolt protocol for integrations. Neo4j has attracted considerable investment, including a $325 million Series F funding round in 2021, making it one of the best-funded companies in the database sector. The company employs approximately 680 people worldwide, with additional offices across Europe and Asia, further strengthening its international presence.