When you have eliminated all which is impossible, then whatever remains, however improbable, must be the truth.
— Sherlock Holmes

The Steel Horse Group is a professional Licensed And Insured Washington State Private Detective Investigations Agency No. 1969.

A Former U.S. Federal Law Enforcement Agent and an expert at securing hard to obtain information, gathering critical intelligence and protecting people at risk.

Legal teams, government offices, corporations and private individuals retain our services when they need to make well informed decisions.

Our extremely high success rate is based upon our discerning client selection, thoroughly understanding their goals and maintaining complete discretion and confidentiality.




we have conducted hundreds of successful criminal, corporate and domestic high stakes private investigations.

  • Background checks, locates & due diligence

  • Surveillance Investigations

  • Process Service / Subpoena

  • Witness locates, Interviews & Statements

  • Child Custody cases

  • domestic investigations

  • cold case reviews

  • employee integrity concerns

  • WA L&I Worker's Compensation fraud

  • asset recovery

  • executive protection

  • Security Consulting

  • Threat assessments

  • travel advances


There is nothing impossible to him who will try.
— Alexander the Great

Licensed Principle Investigator Guy Gildner, is a native of The Pacific Northwest who has served the public and private sectors for over twenty years as a private investigator, security Consultant and a Former US Department of Homeland security, Federal ICE Agent.

He spent the majority of his federal law enforcement career on a criminal alien apprehension task force, investigating and removing violent criminals illegally in The United States.

Guy has investigated cases involving violent crimes, human trafficking, criminal fugitives and in conjunction with the U.S. Attorneys office, other federal agencies, state and local law enforcement departments.

In 2010 he left government service and shortly after, established himself as a highly sought after pacific northwest private investigator. Mr. Gildner is a very proactive private detective with a keen understanding of gathering intelligence, obtaining factual information and protecting his clients from harms way.