Waterline Data
Automated metadata discovery and data cataloging using machine learning, enabling enterprises to govern, find, and trust their data assets at scale with minimal manual effort.
Last updated Jun 23, 2026 by ATDb automated enrichment
At a glance
- Employees
- 51-200
- Funding
- $22M
- Revenue
- $10M-$50M
- Stock
- N/A
About
An early innovator in AI-driven data cataloging and metadata management, acquired by Hitachi Vantara to bolster its enterprise data intelligence capabilities.
Waterline Data was a Silicon Valley-based data intelligence company that developed an AI-powered data catalog and governance platform designed to help enterprises discover, understand, and govern their data assets at scale. Founded around 2014, the company built its reputation on using machine learning to automate the traditionally manual and time-consuming process of tagging, classifying, and cataloging metadata across large, complex data environments. Its flagship platform enabled data stewards and analysts to find trusted data faster, enforce governance policies, and maintain compliance with data regulations. The company's technology was particularly notable for its 'fingerprinting' approach to automated data discovery, which could identify sensitive data, apply smart tags, and surface data lineage without requiring extensive manual intervention. This made Waterline Data a compelling solution for enterprises grappling with sprawling data lakes and the growing demands of regulations like GDPR and CCPA. The platform integrated with major cloud and on-premise data ecosystems, positioning Waterline as a key player in the emerging data catalog market alongside competitors like Alation, Collibra, and Informatica. In 2019, Hitachi Vantara acquired Waterline Data to strengthen its data operations and analytics capabilities, integrating the platform's metadata management and governance technology into its broader enterprise data management portfolio. Following the acquisition, Waterline Data ceased to operate as a distinct independent brand, with its technology and team folded into Hitachi Vantara's offerings. The acquisition reflected the growing strategic importance of data cataloging and governance as foundational capabilities for enterprise data management.
Business model
SaaS
Target market
Enterprise
What they offer
Waterline Data Catalog
AI-powered data catalog that automated metadata discovery, smart tagging, and data classification across enterprise data lakes and warehouses.
Automated Data Tagging
Machine learning-based fingerprinting technology that automatically identified and tagged sensitive or regulated data without manual intervention.
Data Governance Module
Policy enforcement and stewardship tools enabling enterprises to maintain compliance with data regulations such as GDPR and CCPA.
Data Lineage Tracking
Visualization and tracking of data lineage to help users understand data origins, transformations, and usage across the enterprise.
Key features
Use cases
Customer segments
Tech & specs
Technology stack
Security & compliance
Deployment
API
Yes
- 2014 · Founded
- 2020Acquired by Hitachi VantaraStill operating as part of Hitachi Vantara