Convoy, a digital freight technology start-up, emphasizes the importance of data quality and integrity by implementing Data Contracts, which are agreements between software engineers and data consumers to ensure high-quality and trusted data. These contracts address previous issues of data accountability and clarity by defining clear ownership and facilitating collaboration, allowing data to be treated with the same rigor as APIs. Metaplane, likened to Datadog for data, enhances data observability, providing real-time monitoring and alerting to maintain data quality and trust. Virgin Media O2's Vortex Engine standardizes real-time data sharing through Google Cloud Platform, employing a structured process for data ingestion and processing, ensuring scalability and efficiency. Doctolib, a healthcare teleconsultation service, focuses on minimizing code errors and database conflicts in its data warehouse, using a CI pipeline for automated testing to maintain a high velocity of production changes while ensuring data integrity.