Meet Our Team

Matt  Alexander
Matt Alexander

Agency Principal

Laura  Ilgenfritz
Laura Ilgenfritz


Scott Ilgenfritz
Scott Ilgenfritz



Home, Auto, Workers Compensation & Business Insurance Specialist.

Alexander Insurance: Serving the entire states of Missouri and Illinois


Since 1957, Alexander Insurance Agency has delivered quality insurance solutions to individuals in Missouri. Our agency focuses on providing personal insurance including auto and homeowners coverage as well as specializing in coverage for commercial needs.


Jasper DeMonbrun, Matt Alexander's grandfather, started the agency in 1957 and is now in its' third generation of providing insurance services to many families in St. Charles and the surrounding areas. We built our business with over 50 years of experience and knowledge.


Your relationship with your agent can have a dramatic impact on you and your family's financial security. Our team of knowledgeable insurance professionals is committed to helping you find a policy that fits your needs. We focus on providing one-on-one attention and quality customer service to create an experience that’s difficult to find in today’s market. At Alexander Insurance Agency, we’ll work with you to ensure that you and those you care about most are protected.


We are an independent agent, because "Your Independent Agent Serves YOU, the Customer First."


We are proud of the fact that when you call our agency, you are greeted by a friendly person, not a machine.  You don't have to choose a number, just choose the right agency. Alexander Insurance Agency, for all your insurance needs.

Medicare Insurance Specialist

Business Insurance Specialist

Workers Comp Insurance Specialist


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Request A Quote


Accommodating, professional, helpful, and quick. Very comfortable experience and I was impressed by their capabilities. Highly recommended.

- Brad M.

I feel lucky to have found an agent willing to provide this level of service. No need to look anywhere else!

- Michelle D.

Over the years we've never once had to worry about our coverage. My husband and I are long-time customers and proud to be.

- Carol S.

Surprisingly flexible and in-touch with my needs as a small business owner. Can't ask for more.

- Spencer F.

They have strong ties with the community, and it shows. It's nice to do business with people that really show they care about you and your family.

- Susan T.

Featured Products

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Home & Auto Insurance

Combining your home and auto policies can benefit you with discounts that help you save and additional coverage options to make your life easier.

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Coverage for Your Business

We're committed to keeping your business protected so you can focus on your day-to-day operations.

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Recreational Vehicle Insurance

Insure your freedom for adventure with a recreational vehicle policy that covers everything from your boat and RV to your ATV or motorcycle.

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Motorcycle Insurance

Choose from a variety of convenient and affordable options to keep you and your motorcycle secure on the open road.

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Workers Compensation

Protect your business from employee expenses resulting from work-related accidents and injuries.

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Life Insurance

Provide your family with the security they deserve in the event of your passing with a life insurance policy that meets your financial and personal needs.

Nationwide Independent
American Reliable logo
Auto Owners Insurance Logo
Banner Life
BMI Companies
Condon & Skelly
Dairyland Insurance
Employers Insurance Logo
First Comp Insurance logo
Foremost Insurance logo
Genworth logo
Grinnell Mutual Reinsurance
Berkshire Hathaway Guard Insurance Companies Logo
Hagerty Insurance logo
The Hartford logo
Met Life logo
National General Insurance Logo
North American Life Insurance Company
Progressive Insurance logo
Safeco logo
Travelers Insurance logo
Transamerica Logo
Prudential logo