Dallas Private Investigator, Process Server, Security Guard Service, & Training

Our Dallas Private Investigators at MJB GROUP Licensed Private Investigators provide private investigation services to attorneys, insurance companies, corporate, general public in Dallas, Fort Worth, DFW, Denton, McKinney, Rockwall, Garland, Plano, Arlington, Grand Prairie, Tyler, Longview, Texarkana, and Texas. Our private investigators and civil process servers have the training and experience to meet and exceed our clients' expectations. We specialize in criminal defense investigations, financial and fraud investigations (embezzlement, Ponzi Scheme, identity theft, etc.), forensic cell phone examinations (physical and logical), child custody investigations, and cheating spouse (infidelity) cases . We can also assist with corporate investigations in Texas, criminal investigations, capital murder, felony, sexual assault, assaults, robbery, as well as civil investigations. Our private investigators are experienced in a wide range of services including: 

Civil Investigations: 

Electronic Surveillance (GPS Live Tracking, surveillance van, discreet photographs, videos)

Surveillance Investigations (daily reports provided with photographs, videos)

Infidelity a/k/a Cheating Spouse Investigations (GPS Live Tracking, surveillance, background searches, due diligence)

Child Custody Investigations (expose and collect evidence of a party violating Court Orders in place, background searches, surveillance operations, discreet locate operations, collecting sworn depositions or statements)

Background Searches (hidden assets, business locate, known and unknown associates, addresses to ten years, landline and cell phone reverse search, locate people, find lost loved ones, premarital background, national criminal records search, civil court records search) 

Contact an Investigator today to discuss your request. We offer free consultations. (972) 798-7374

Civil Process Service: 

Our professionally trained Process Servers cover the DFW Metroplex - Dallas - Fort Worth, Garland, Richardson, Plano, McKinney, Frisco, Lewisville, Farmers Branch, Irving, Cedar Hill, Desoto, Mesquite, Forney, Canton, Tyler, Kaufman. Our primary service counties include, but are not limited to, Dallas County, Tarrant County, Rockwall County, Kaufman County, Van Zandt County, Smith County, Bowie County, and surrounding areas. Call us today if you need a Process Server in Dallas or surrounding areas! (903) 787-2156 

Criminal Investigations:

Criminal Defense Investigations including interviews, crime scene reconstruction, witness testimony, evidence collection.

Cold Case Investigations. -  43 years Federal, State, and local law enforcement criminal investigative experience.

Crime Scene Re-Examinations and Reconstruction. - 43 years Federal, State, and local law enforcement experience.   

Courtroom Testimony - 43 years courtroom experience. 

Call Direct: (903) 244-3965 to speak to a Criminal Investigator regarding your case.

Financial Investigations: 

Securities and SEC Investigations.

General and Corporate Fraud Investigations.

Ponzi Scheme Investigations (RICO Investigations, "follow the money trail", develop flowcharts to demonstrate criminal intent, assist with issuance of bank Subpoenas and Temporary Restraining Orders to freeze accounts through service of process, analysis of financial documents to link co-conspirators, provide expert testimony to findings)

Bank/Brokerage Account Searches (provide "screenshot" of active accounts with bank location and average/current amounts)

Insurance Fraud investigations - Full and complete investigative report provided with time/date stamped photographs, videos and other digital devices.

Digital Forensics: 

Cell phone extractions and computer detective data recovery. Need to know what's on that cell phone?   Call Direct: (903) 244-3965 to schedule a free consultation.

Contact our Main Office today to schedule an appointment! (972) 798-7374

Private Investigator in Dallas - Serving Dallas - Fort Worth - Lewisville - Flower Mound - Coppell - Carrollton - Grapevine - Trophy Club - Weatherford - Beaumont - Mesquite - Plano - Garland - Richardson - Frisco - Irving - McKinney - Rockwall - Arlington - Rowlett - Wylie - Allen - DeSoto - Austin - San Marcos - New Braunfels - San Antonio - DFW Metroplex - Denton County - Dallas County - Tarrant County - Collin County - Hunt County - Ellis County - Kaufman County - Rockwall County - TX - Van Zandt County - Smith County -Texas - and surrounding areas.

Contact Us

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Call us today to schedule an appointment!

We offer free initial consultations for new clients, and would be happy to sit down and discuss the nature of the services you are requesting. 


8828 N Stemmons Fwy, Suite 230, Dallas, Texas 75247, United States

(972) 798-7374