Guarantee Trust Life is a Glenview-based insurer writing health, accident, life and special risk programs, running a Microsoft-centric core (.NET, C#, VB.NET, SQL Server, Azure DevOps Server) with Hyland OnBase for document workflows and SAS for analytics. A deep QA toolset (Selenium, Playwright, Appium, TestComplete, Katalon) points to heavy test automation, while accelerating hiring tilts toward support, claims and operations roles tied to policy retention.
Guarantee Trust Life Insurance Company is a privately held insurer headquartered in Glenview, Illinois, founded in 1936. It offers a portfolio of health, accident, life and special risk insurance programs. The company operates as a legal mutual reserve company and has been led by three generations of the Holson family. It employs between 201 and 500 people and hires within the United States.
GTL runs on .NET, C#, VB.NET and SQL Server, with Hyland OnBase, PeopleSoft, Salesforce, Paycom, SAS, Jira, Confluence and Azure DevOps Server, plus test tools like Selenium, Playwright and Katalon.
Yes, hiring is accelerating, concentrated in customer support, claims, healthcare and operations, with additional finance and security roles, all in the United States.
Guarantee Trust Life is headquartered in Glenview, Illinois, and has operated since its founding in 1936.
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Guarantee Trust Life Insurance Company's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →
This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.
