Global Security News & Updates

Global Security & Investigative Services LLC is a licensed security guard company and private investigation firm providing professional security services, armed and unarmed guards, and investigative solutions.
Serving Texas with security guard services and private investigations, and Louisiana with licensed security guard services.

LA License #PSE-26-CO-003TX Training School License #F28621801TX Security and PI License #C23029701

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TX, LUBBOCK – PYRAMID PLAZA
3223 S Loop 289, Suite 600, Lubbock, Texas 79423

TX, SAN ANTONIO – CASTLE HILL
1100 NW Loop 410, Suite 700, San Antonio, Texas 78213

TX, DALLAS – DOWNTOWN REPUBLIC CENTER
325 N. St. Paul Street, Suite 3100, Dallas, Texas 75201

TX, AUSTIN – DOBIE CENTER
2021 Guadalupe Street, Suite 260, Austin, Texas 78705

TX, EL PASO – WELLS FARGO PLAZA
221 N. Kansas Street, Suite 700, El Paso, Texas 79901

TX, HOUSTON
4101 Greenbriar #316
Houston, Tx 77098

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Global Security & Investigative Services Executives Present at Hispanic Women’s Network of Texas 40th Annual State Conference

GSIS Executives Selected to Present at Hispanic Women’s Network of Texas Conference

GSIS CEO Humberto Barrera Featured in Belfry Webinar on Scaling a Security Company Without Losing Quality

GSIS Donates for Poppin’ Claw Grand Opening and Community Celebration

Global Security and Investigative Services LLC Launches First Level III Armed Security Guard Training Class in San Benito

Global Security and Investigative Services LLC Supports Literacy Through Donation to Harlingen Public Library

Global Security and Investigative Services LLC Attends Protos Security Conference in Las Vegas

Global Security and Investigative Services LLC Launches Louisiana Security Guard Services with Level I and Level II Security Officers

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