What We Do | Private Investigation Services

Private Investigators & Investigation Services Since 1992

What We Do

Licensed Private Investigators Providing Surveillance, Fraud, Criminal Defense & Corporate Investigations Since 1992

At Kay & Associates Investigations, we help people uncover the truth when the stakes are high. Since 1992, our licensed private investigators have conducted professional investigations for attorneys, corporations, executives, businesses, families, and private individuals throughout California, nationwide, and internationally.

When clients search for a private investigator, they are usually facing a situation that requires real answers, reliable evidence, and complete confidentiality. Whether the issue involves infidelity, fraud, child custody concerns, employee misconduct, criminal defense, hidden assets, or corporate liability, our investigative team works strategically and discreetly to help clients obtain the information they need.

Our agency handles investigations ranging from highly personal family matters to complex corporate and international investigations. Every case is approached with professionalism, attention to detail, and investigative experience developed over decades in the field.

If you are searching for experienced private investigators who understand how to uncover facts legally, discreetly, and effectively, Kay & Associates Investigations is available to help.

What Private Investigators Actually Do

Many people know they need a private investigator but are unsure what investigative services actually involve. Professional private investigators gather facts, document activity, locate information, conduct surveillance, interview witnesses, analyze evidence, and help clients uncover information that may otherwise remain hidden.

At Kay & Associates Investigations, our investigators work on cases involving:

Every investigation is customized based on the client’s goals, concerns, and the complexity of the situation.

Surveillance Investigations

Professional Surveillance Private Investigators

Surveillance is one of the most requested private investigation services. Professional surveillance investigations help document behavior, verify facts, and gather evidence discreetly and legally.

Our surveillance investigators conduct investigations involving:

  • Suspected infidelity
  • Workers’ compensation fraud
  • Insurance fraud
  • Employee misconduct
  • Theft investigations
  • Civil litigation
  • Corporate investigations
  • Child custody disputes

Successful surveillance requires far more than simply following someone. It involves planning, strategy, local knowledge, situational awareness, and experience operating discreetly in different environments.

Our private investigators conduct surveillance throughout:

Infidelity & Relationship Investigations

Cheating Spouse Private Investigators

One of the most common reasons people hire a private investigator is relationship concerns. Clients often contact our agency when they suspect a spouse, boyfriend, girlfriend, or partner may be hiding information or engaging in suspicious activity.

Our investigators help clients uncover facts involving:

  • Cheating spouses
  • Hidden relationships
  • Financial deception
  • Secret meetings
  • Online affairs
  • Suspicious behavior
  • Hidden lifestyles

Clients often notice:

  • Sudden schedule changes
  • Increased secrecy
  • Unexplained absences
  • Hidden communication
  • Unusual travel
  • Changes in financial activity

These investigations are highly sensitive and emotionally difficult. Our investigators handle relationship investigations discreetly and professionally while gathering legally documented evidence.

Corporate Investigations

Corporate Private Investigators for Businesses & Executives

Businesses face increasing risks involving fraud, employee misconduct, internal theft, corporate espionage, and liability exposure. Kay & Associates Investigations works with corporations, executives, attorneys, and business owners to conduct professional corporate investigations designed to protect operations and reduce risk.

Corporate investigative services include:

  • Employee theft investigations
  • Internal investigations
  • Fraud investigations
  • Executive investigations
  • Due diligence investigations
  • Workplace misconduct investigations
  • Asset investigations
  • Vendor verification
  • Intellectual property concerns
  • Corporate surveillance
  • Risk assessments

Our corporate investigators understand the importance of confidentiality, operational discretion, and legally obtained evidence.

Criminal Defense Investigations

Criminal Defense Private Investigators

Criminal defense investigations require detailed fact gathering, evidence review, witness interviews, and strategic investigative support. Our criminal defense investigators work with attorneys, legal teams, defendants, and families throughout California.

Criminal defense investigation services include:

  • Witness interviews
  • Witness location investigations
  • Evidence review
  • Surveillance
  • Timeline reconstruction
  • Background investigations
  • Jury investigations
  • Independent fact verification
  • Post conviction investigations

Our investigators understand the importance of courtroom-focused investigative methods and legally compliant evidence gathering.

Fraud Investigations

Fraud Private Investigators

Fraud investigations often require extensive research, surveillance, financial analysis, and investigative strategy. Our private investigators handle fraud investigations involving:

  • Financial fraud
  • Insurance fraud
  • Corporate fraud
  • Embezzlement
  • Investment fraud
  • Identity deception
  • Theft investigations
  • Asset concealment
  • Construction fraud

Fraud investigations are often connected to litigation, business disputes, or criminal matters. Our investigators work to uncover facts and identify inconsistencies while documenting evidence professionally.

Child Custody & Family Investigations

Child Custody Private Investigators

Family law investigations can significantly impact custody proceedings and family court matters. Our investigators work with parents and attorneys to gather evidence involving:

  • Unsafe environments
  • Violations of custody agreements
  • Substance abuse concerns
  • Neglect
  • Dangerous associations
  • Child welfare concerns

These investigations require discretion, sensitivity, and professionalism. Our investigators understand the emotional nature of family law matters and approach every case carefully.

Asset Investigations

Hidden Asset & Asset Location Investigators

Asset investigations help uncover hidden financial information, concealed property, or undisclosed business interests. Our private investigators conduct asset investigations involving:

  • Divorce proceedings
  • Business disputes
  • Judgment recovery
  • Financial fraud
  • Hidden property
  • Asset concealment
  • Financial deception

Our investigators work with attorneys, corporations, and individuals to help identify assets and uncover relevant financial information.

Missing Person & Locate Investigations

Missing Person Private Investigators

Locating someone who does not want to be found often requires investigative resources and professional experience. Our investigators conduct locate investigations involving:

Our investigative methods may involve:

  • Database research
  • Witness interviews
  • Digital investigations
  • Field investigations
  • Intelligence gathering

Every locate investigation is approached strategically and legally.

Executive Protection & Security Consultation

Executive Protection Investigators

Some clients require protective services in addition to investigative work. Kay & Associates Investigations provides executive protection and security consultation services for:

  • Executives
  • Public figures
  • Attorneys
  • Corporate clients
  • High-profile individuals
  • Private clients facing elevated risks

Our team understands the importance of discretion, risk awareness, and strategic planning in sensitive situations.

Digital Investigations & Online Intelligence

Social Media & Digital Investigations

Modern investigations increasingly involve digital evidence and online activity. Our investigators assist with:

  • Social media investigations
  • Online behavior analysis
  • Digital evidence review
  • Background investigations
  • Reputation-related investigations
  • Identity verification
  • Online fraud investigations

Digital investigative techniques are often combined with surveillance and field investigations to provide a more complete understanding of a case.

Litigation Support Investigations

Litigation Support for Attorneys

Kay & Associates Investigations regularly works with attorneys and legal teams throughout California and nationwide.

Litigation support services include:

Our investigators understand the importance of detailed reporting, organization, and evidentiary standards for legal matters.

Why Clients Choose Kay & Associates Investigations

Licensed Since 1992

Kay & Associates Investigations is led by Andy Kay, a licensed California private investigator with decades of experience handling complex and high-profile investigations.

Experienced Investigators

Our agency has conducted investigations involving:

  • Attorneys
  • Corporations
  • Public figures
  • Small businesses
  • Families
  • High-net-worth individuals
  • International matters

Confidential & Discreet

Many investigations involve highly sensitive legal, personal, or financial matters. Our private investigators handle every case with professionalism and confidentiality.

California, Nationwide & International Investigations

We conduct investigations throughout:

  • Los Angeles
  • Orange County
  • Ventura County
  • San Diego
  • Northern California
  • Nationwide locations
  • International jurisdictions depending on the case

Contact Kay & Associates Investigations

If you are searching for experienced private investigators who understand how to uncover facts discreetly and professionally, Kay & Associates Investigations is available to help.

Whether you need surveillance investigations, fraud investigations, criminal defense investigations, family investigations, asset investigations, or corporate investigative services, our team can provide a customized investigative strategy tailored to your situation.

Contact Kay & Associates Investigations today for a confidential consultation.

Frequently Asked Questions

What does a private investigator do?

A private investigator gathers evidence, conducts surveillance, interviews witnesses, locates individuals, and investigates fraud, criminal defense matters, corporate concerns, and personal issues.

What types of investigations do you handle?

We handle surveillance investigations, infidelity investigations, fraud investigations, criminal defense investigations, corporate investigations, child custody investigations, asset investigations, and missing person investigations.

Are investigations confidential?

Yes. All investigations conducted by Kay & Associates Investigations are handled discreetly and confidentially.

Do you work with attorneys?

Yes. We regularly work with attorneys and law firms on criminal defense, litigation support, fraud investigations, family law matters, and asset investigations.

Do you conduct investigations outside California?

Yes. We conduct investigations throughout California, nationwide, and internationally depending on the needs of the case.

Areas of Investigations

Family Matters

Criminal

Finance/Assets

Polygraph Examinations

Legal Matters

Background Investigations

Questions about a potential investigation?

Industry Sectors

Corporate

Individuals

Construction

Law Firms

Small Businesses

Entertainment

Let’s work together

We work as a single united team with partners around the world, giving our clients the highest quality private investigations.