Workplace Investigations in California: Who Can Legally Conduct Them?
- Ketan Chauhan

- Nov 4, 2025
- 1 min read
Updated: Dec 23, 2025

Workplace investigations are a critical component of maintaining a fair and compliant work environment, especially in California, where specific legal obligations dictate how they must be handled. Understanding who is legally permitted to conduct these investigations and when they are required is essential for all employers.
Who Can Legally Conduct Workplace Investigations in California?
In California, the law is clear about which professionals are authorized to carry out workplace investigations. Only certain parties are legally permitted to provide these services:
Internal HR Employees
California Licensed Private Investigators
Licensed California Attorneys
It is crucial for organizations to ensure that any investigation they undertake is conducted by one of these qualified professionals to maintain legal compliance and the integrity of the process. Irvine | Bidgoli, P.C. Workplace Investigation attorneys conduct neutral and unbiased workplace investigations for California employers of all sizes.
When Are Workplace Investigations Legally Required?
Organizations in California have a legal obligation to conduct workplace investigations under specific circumstances. These investigations are mandatory when complaints are filed concerning:
Discrimination
Harassment
Retaliation
This obligation applies to complaints made by both current and former employees. Failing to properly investigate such complaints can lead to significant legal repercussions for an organization.
To ensure your organization handles workplace investigations correctly and complies with California law, it's advisable to seek expert guidance. Please contact us today for a complimentary consultation.






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