Guarantee Trust Life was founded back in 1936. Since the company began, it has been operated as a family business under the direction of the Holsons. They are a mutual reserve company which has been offering accident, health, special risk, and life insurance products for over 77 years.

Affiliated Brand Names

  • GTL
  • Guarantee Trust Life Insurance
  • Guarantee Trust Life Insurance Company

Company Highlights

  • Headquartered in Glenview, IL
  • Provides policies in 49 states and Washington DC
  • Founded in 1936
  • Over 77 years of industry experience

Medicare Plans Offered

Depending on the size of a company, their portfolio of Medicare supplement plans offered will vary. Guarantee Trust Life Insurance offers the following products:

Medicare Supplement Plans YES
Medicare Advantage Plans NO
Medicare Part D Drug Plans NO

Guarantee Trust Life Insurance Premium Comparison

Comparing premiums is important. The comparison process can give you a better picture of what you should be paying so that you don’t end up losing your savings to a company which is charging you too much. In the graph below, we compare Guarantee Trust’s premiums with that of the national average:
This Table Represents National Average Costs of Medicare Supplement Plans

Plan Type Starting From Part A Deductible Part B Deductible Excess Nursing Travel
Plan C $118* $0 $0 Not Covered 100% Covered 100% Covered
Plan F $116* $0 $0 100% Covered 100% Covered 100% Covered
Plan G $105* $0 $233 100% Covered 100% Covered 100% Covered
Plan B $104* $0 $233 Not Covered Not Covered Not Covered
Plan N $70* $0 $233 Not Covered 100% Covered 100% Covered
Plan D $97* $0 $233 Not Covered 100% Covered 100% Covered
Plan A $69* $1,556 $233 Not Covered Not Covered Not Covered
Plan L $76* $389 $233 Not Covered 75% Covered Not Covered
Plan K $45* $778 $233 Not Covered 50% Covered Not Covered
Plan M $97* $778 $233 Not Covered 100% Covered 100% Covered

Financial Strength Ratings

The three ratings agencies listed below are the top authority when it comes to rating companies on their financial strength. And if any/all of the big three say that a company is financially strong, you can rest easy knowing that you’re making a wise health investment with that particular company.

A.M. Best Rating B+
Standard & Poor’s Rating No Rating
Moody’s Rating No Rating

*Ratings as of 2/17/15

Guarantee Trust Life Insurance Review

Guarantee Trust life has been a family owned-and-operated business for more than three quarters of a century. They now have a nationwide presence providing various types of insurance products, including Medicare supplement insurance, to clients in 49 states as well as the nation’s capital. They also have a fairly strong financial rating with A.M. Best.

  • Market Experience
  • Fast Claims Processing
  • Strong Financial Reserves
  • Competitive Rates
  • Customer Satisfaction

How To File A Claim With Guarantee Trust Life Insurance

Telephone Number: (800) 338-7452

To speak with a person:

  1. Dialing their toll free number will automatically connect you to a live operator. Make sure you have your policy #, as well as any other identifying information, ready to confirm your account.

Company Contact Information

Customer Service: (Address & phone can be found on Medigap search)

(800) 338-7452

Mailing Address:

Guarantee Trust Life Insurance Company

275 Milwaukee Avenue

Glenview, IL 60025

How To Get A Rate Quote

Customers looking to get a rate quote, or learn more about plans have 2 options:

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by Lindsay Malzone, Lindsay Malzone is the Medicare expert for She's been contributing to many well-known publications as an industry expert since 2017. Her passion is educating Medicare beneficiaries on all their supplemental Medicare options so they can make an informed decision on their healthcare coverage.