Legal Action Against Defamatory Google Review

I need assistance to initiate legal proceedings against a reviewer who has posted an untrue and inappropriate Google review.

Key Details:
- I have already flagged the review to Google without success.
- I possess documented evidence proving the review's falsehood.

Ideal Skills and Experience:
- Expertise in online defamation and business reputation management.
- Proven experience with legal action against online reviewers.
- Strong communication and negotiation skills.
- Ability to handle sensitive matters with discretion.