Centralized HR data systems outperform decentralized architectures on accuracy, compliance, and reporting speed for most mid-market and enterprise organizations. Decentralized setups retain a narrow advantage only when business units operate under materially different labor regulations or have deeply specialized data workflows that cannot be mapped to a shared schema. For 90% of HR teams, centralization — backed by automated validation — is the correct call.

Spreadsheets fail compensation strategy not because they're unsophisticated — they fail because they're manual, siloed, and error-prone at scale. Automated HR reporting delivers real-time market benchmarking, internal equity audits, and budget scenario modeling that spreadsheets cannot replicate reliably. For any organization making pay decisions affecting more than 50 employees, automation wins on accuracy, speed, and compliance risk reduction.