Spire Investigations | San Antonio’s Premier Private Investigation Firm
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Private Investigation with a Multi-Disciplinary Approach

When you retain Spire Investigations, you’ll be receiving service from an investigator that truly understands the legal aspects of your cases and the outcome that you desire.  Spire prides itself on exceptional investigative work and delivering outstanding service to each and every client.

San Antonio Private Detective Investigator Surveillance


Spire investigations offers covert surveillance and undercover services to law firms, companies and individuals.

San Antonio Private Investigators

Criminal & Civil Cases

We are uniquely positioned to assist with investigations in both civil and criminal matters.

San Antonio Private Investigator Firm

Person Location

Whether you need to find a witness, an heir, or any other missing person, consider our team first.

San Antonio Private Investigator Witness Interview

Witness Interviews/Statements

Our team of professionals will conduct interviews on your behalf and provide statements and affidavits in your case.

San Antonio Private Investigators

Service of Process & Subpoenas

With our years of litigation and investigative experience, we excel at providing this necessary service.

San Antonio Private Investigator Background Check

Background Checks

Whether criminal or comprehensive, our background checks are thorough and meticulous.

Put our team of expert investigators to work for you. Contact Spire Investigations today!

Law Firms and Individuals Appreciate Spire’s:

Legal Experience

Spire Investigations is uniquely positioned to assist you in your cases due to years of experience in legal matters and litigation.


At Spire Investigations we don’t make promises we can’t keep.  Our word is our bond and we’ll do our very best in each case.

Customer Service

Whether working for a law firm or individual, minor matter or a complex legal case, we deliver nothing but exceptional service.


We provide you with realistic cost estimates and services at a highly competitive and affordable cost.