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Private Investigation and Cross-Border Due Diligence

With more than 30 years of investigative and law-enforcement experience, Tracey D. Allen Investigations provides professional services to attorneys, businesses, investors, tribal organizations, and private clients.

Our work includes criminal-defense and civil-litigation support, background investigations, witness interviews, difficult locates, family and custody matters, due diligence, corporate investigations, and regulatory support.

We also provide cross-border investigative research and case coordination for matters involving the United States, Ecuador, and Paraguay.

Whether your matter is local, multistate, or international, we are committed to providing discreet, objective, and carefully documented investigative services.

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Experienced, Objective and Discreet

Tracey D. Allen brings more than 30 years of investigative and law-enforcement experience to criminal, civil, corporate, regulatory, and personal matters. He works directly with attorneys, businesses, tribal organizations, investors, and private clients throughout the United States.

His practice now also includes cross-border investigative research, due diligence, and case coordination for matters involving the United States, Ecuador, and Paraguay.

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Focused on Results

Professional Expertise

With decades of investigative experience, our agency understands the demands of legal, personal, corporate, and regulatory investigations. We assist law firms, businesses, tribal organizations, investors, and private clients with matters ranging from focused fact-finding to complex, multijurisdictional investigations.

In addition to our work throughout the United States, we are expanding our international investigative and business intelligence capabilities in Ecuador and Paraguay, assisting clients with due diligence, background investigations, asset and business research, local fact-finding, and matters involving cross-border interests and relationships.

Every assignment is approached with discretion, objectivity, careful documentation, and a clear understanding of the client’s goals—whether the matter is local, national, or international.

Tailored Investigative Solutions

Every investigation is different, and every client has a different objective. We tailor our investigative strategy to the facts, circumstances, and questions that matter most to you. Whether the assignment involves locating and developing evidence, verifying information, conducting due diligence, identifying assets or individuals, or addressing a complex legal, corporate, or cross-border matter, our approach is designed around your specific needs.

From local and national investigations in the United States to international matters involving Ecuador and Paraguay, we provide discreet, objective, and carefully documented investigative support. Throughout the process, we maintain clear communication, protect client confidentiality, and focus on delivering information that is meaningful, practical, and actionable.

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    Licensed, Bonded, and Insured

    TDA Investigations & Associates and Tracey D. Allen Investigations operate with full licensure, bonding, and insurance to ensure compliance and client confidence across multiple jurisdictions:

    California – BSIS Private Investigator License #22444

    Montana – Private Investigator License #44934

    Rhode Island – Private Investigator License #125279

    South Dakota – Business License #UB288955

    Our credentials reflect our commitment to professionalism, accountability, and lawful investigative practice in every state we serve.

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    Trusted Investigator

    Dedicated to delivering accurate results with discretion and professionalism.

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    30+ Years of Investigative Experience

    Client-Focused
    Helping Clients Uncover the Truth in Civil, Criminal & Family Matters for Over 30 Years

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What Clients Say

  • I had the pleasure of working with Mr. Allen for over one year on a multi-million dollar case, and I can state with confidence that Mr. Allen is a motivated, disciplined, and responsible professional with a high degree of integrity. He had responsibility for investigation locations and collecting statements and potential evidence. The case was a combined federal criminal and civil case involving thousands of documents and several witnesses. The case concluded very successfully. As such, I expect that Mr. Allen and TDA Investigations would provide positive and efficient investigatory needs for any law firm or other private business.

    Richard M. Freeman,Esq., Sheppard, Mullin, Richter & Hampton LLP, San Diego, CA

  • "Tracey's law enforcement background was important to me when I was choosing a private investigator. Tracey's investigative work was always discreet and conducted in a professional and businesslike manner. Tracey has a solid work ethic and his investigations always lead to useful results."

    Donald B. Griffith, Superior Court Commissioner, Superior Court of California, County of Kern

  • "I can state with confidence that Mr. Allen is a motivated, disciplined, and responsible professional with a high degree of integrity. ... I sincerely hope you give Mr. Allen and TDA Investigations favorable consideration."

    Lyndsay DeMatteo, Esq., DeMatteo Law Firm, Sioux Falls, SD

  • "Mr. Allen is responsible. He provides valuable updates on the investigation and a complete and documented report at its conclusion. His reports are unbiased, credible, and thorough. The insights Mr. Allen provides as a former police officer and an experienced investigator are very helpful in looking at the incident from a different perspective."

    Edward W. Baughan, Esq.,Gajewski & Baughan: Attorneys At Law, Culver City, CA

  • "In my experience, Mr Allen conducted himself with the highest degree of integrity and professionalism. His assistance was crucial in getting an eyewitness ID case dismissed for one of my clients. ... I have no doubt that he would conduct himself in a similar manner for any PI work . He is a smart and thorough investigator, and I recommend Mr Allen without hesitation."

    Scott A. Borthwick, Esq., Law Offices of Villalobos & Borthwick, Irvine, CA

  • "I had used Mr. Allen and TDA investigations services primarily to locate defendant's home address, business address and potential evidence to served them with conformed Lawsuit documents to assistant in resolving my client's litigation cases in a timely matter. His conduct for investigation locations and potential evidence collected during his search is speedy and professional. "

    K.T. Tran, Esq., Law Offices of K.T. Tran, Downey, CA

Let’s Start Your Investigation

When the truth matters, timing is everything. Whether you're facing a personal challenge or a complex legal issue, we’re here to help. Contact us for a free, confidential consultation—our team will listen, assess your needs, and recommend a strategic investigative plan designed just for you.

Contact Us Now
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FAQ

  • We handle civil and criminal-defense investigations, litigation support, witness interviews, background investigations, difficult locates, child-custody and family matters, accident investigations, corporate and employee investigations, due diligence, asset research, and tribal regulatory matters.

    We also assist attorneys, businesses, investors, and private clients with multistate and cross-border matters involving the United States, Ecuador, and Paraguay. International services may include individual and corporate research, business-partner verification, litigation support, reputational reviews, and coordination with qualified local professionals.

    Because every matter is different, we begin with a confidential consultation to determine the objectives, jurisdictional requirements, and appropriate investigative approach.

  • Yes, all investigations are conducted legally and ethically, and the findings are admissible in court. We also provide expert testimony when required.

  • Timelines vary based on the complexity of the case. Some cases can be resolved in a few days, while others may require weeks. We will keep you updated throughout the process.

  • Absolutely. Confidentiality is our priority, and all client information is handled with the utmost discretion and security.

  • Simply call or email to schedule a free consultation. We will listen to your concerns, explain the process, and outline the next steps to begin your investigation.