Depending on the audit goals, type and duration, as well as the sorts of data to be gathered, it is possible to be used a combination of methods for data collection and processing.

These methods includes, but not limited with:

• Review of the written HR policies, procedures and processes;
• Observation of applying/complying with company rules, procedures and standards;
• Structured interview with all HR unit team-members;
• Structured interview with line managers (representative sample);
• Structured interview with employees (representative sample).