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Meet Jessica Zak

Jessica Zak is the founder and owner of Bulldog Investigations. With more than two decades of investigative experience, she has built a team of professional investigators serving clients throughout Texas in criminal defense investigations, surveillance, witness interviews, background investigations, and complex case development.

✔ Discreet & Confidential
✔ Law Enforcement Background
✔ Fast Turnaround
✔ Serving Texas, Oklahoma & New Mexico

806.685.4889

806.685.4889

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Why Choose Bulldog Investigations?

  • Licensed & Professional Investigators

  • Fast, Accurate Results

  • Discreet & Confidential Handling

  • Experience in Criminal & Civil Cases

  • Direct Communication – No Call Centers

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Surveillance, Background Checks & Investigative Services

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Surveillance & Investigation

  • Discreet observation

  • Evidence documentation

  • Fast, reliable results

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​Criminal Defense Investigations

  • Case support & evidence review

  • Witness interviews

  • Defense-focused findings

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Attorney and Insurance Services

Our expertise in criminal and civil investigations allows us to offer support for even the most complex cases with precision and discretion.

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Family & Domestic Investigations

  • Infidelity surveillance

  • Child support verification

  • Discreet, court-ready evidence

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Missing and Wanted Persons

locating individuals often requires access to information that only a competent private investigator can uncover. Bulldog investigations specializes in using the latest data harvesting and surveilance techniques to cultivate viable leads and locate individuals. 

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Background Checks 
and 
Due Diligence

When it comes to making important decisions, trust is crucial. Our background checks and due diligence services ensure that you have the information you need to move forward with confidence.

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Fraud

Bulldog Investigations can leverage its expertise and techniques to uncover hidden details and gather evidence. With access to advanced tools and databases, we can conduct thorough background checks, analyze financial records, and perform surveillance to identify suspicious activities and safeguard your interests.

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Vehicle Tracking

Bulldog Investigations conducts vehicle tracking by employing strategic methods. We also may conduct physical surveillance, ensuring accuracy and context for the investigation. This comprehensive approach enables us to gather crucial evidence for cases involving infidelity, theft, or corporate espionage.

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