

Gerke Investigations and Professional Services LLC
100%
Chain of custody adherence
58
California counties served
24 hr
Confidential intake response
Structured investigative disciplines
Every engagement operates under established California legal frameworks, delivering thorough work product prepared for immediate trial or boardroom review.
Corporate Due Diligence
Litigation Fact-Finding
Asset Discovery
Comprehensive background assessments, executive vetting, and operational integrity reviews designed to protect commercial transactions and corporate governance.
Impartial witness interviews, locus inspections, and sworn documentation developed in direct coordination with regional litigation teams and retained counsel.
Forensic public record analysis, statutory corporate filings, and encumbrance tracking to map tangible holdings and financial liabilities accurately.


Disciplined inquiry without theater
Founded by Patrick Gerke, the practice emphasizes objective methodology, statutory discretion, and meticulous documentation over sensationalized private-eye tropes. We operate as an analytical extension of your legal team.
Based in Sonoma County, our investigations combine thorough public record retrieval, field inquiry, and clear written summaries that withstand judicial scrutiny and regulatory review.
Direct inquiries are reviewed exclusively by principal investigator Patrick Gerke under strict nondisclosure protocols. Submissions receive response within one business day.
