Glossary
Master Data Management (MDM)

Master Data Management (MDM)

Published

April 22, 2026

Last updated

April 22, 2026

Definition

Master Data Management (MDM) is a discipline and technology-enabled process that ensures an organization’s critical data is consistent, accurate, and governed across the enterprise. It establishes a single, reliable reference for core business entities—such as customers, products, employees, and suppliers—preventing discrepancies across different systems and applications.

Effective MDM is foundational to creating a single source of truth. By centralizing the management of master data, organizations can eliminate data silos and improve the quality of information used in critical processes like financial reporting, workforce planning, and sales forecasting. For example, MDM ensures that the definition of a "customer" is the same in the CRM, the ERP, and the planning platform, which is essential for accurate revenue analysis.

MDM is a key component of a broader Data Governance strategy. While data governance sets the policies and standards for data, MDM provides the tools and processes to enforce those standards on the most critical data assets. This ensures that all analytics, reporting, and planning activities are based on trustworthy, high-quality information.

Related terms

Frequently Asked Questions

What is MDM in finance?

In finance, MDM ensures the consistency and accuracy of core data entities like the Chart of Accounts (COA), legal entities, cost centers, and vendors across all systems to support reliable financial reporting and analysis.

What is the difference between ETL and MDM?

ETL / ELT processes focus on extracting, transforming, and loading transactional data between systems, whereas MDM focuses on defining, managing, and governing the quality of the core business entities (the "master" records).

What are the 4 types of master data?

The four main domains of master data are customers, products, suppliers, and assets, although many organizations also manage other critical domains like employees, locations, and financial hierarchies.

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