Alexander Insurance St. Charles Office

About Our Agency

Since 1957, Alexander Insurance Agency has devoted its knowledge and combined experience in the industry to deliver quality insurance policies to individuals and businesses in St. Charles, MO.

Our team of insurance professionals has years of collective industry experience writing both personal and commercial insurance policies designed to fit your needs. With Alexander Insurance, our friendly staff will work with you on a one-on-one basis to develop not only the perfect policy, but a lasting relationship.

When you work with Alexander Insurance, you’ll experience the quality service and attention to detail that you can only find with an independent insurance agency.

2024 marks the 67th anniversary for the Alexander Insurance Agency of St. Charles. Alexander Insurance is an independent insurance agency that opened for business in 1957 by the late Jasper DeMonbrun. Today, Jasper’s son-in-law Wayne, daughter Margie Alexander, and grandson Matt, continue the tradition of offering customers personal and commercial insurance.

Matt Alexander, son of Wayne, is the general manager and broker with Alexander Insurance. Matt states, “We are a fully staffed agency that meets the needs of numerous clients located in both Missouri and Illinois. No customer is too small or too large for us to service. The advantage of working with Alexander Insurance is that we shop numerous companies for the best service and the best rate for the client’s needs. The independent agent puts the customer first.”

Alexander Insurance offers special discounts to Chamber of Commerce Members and package discounts for multiple policies both personal and business. Business hours are Monday through Friday, 9:00 am to 5:00 pm. Evening and weekend hours are by appointment only. Call today for your personal or business needs at 636-949-9525 or stop in to say hello during normal business hours. For after hours and weekend assistance please call 314-650-5703.

Proud Member of Greater St. Charles County Chamber of Commerce since 1957.

Our Phone Number

Give Us A Call

Our Address

821 Madison St,
St. Charles, MO 63301


Mon – Fri: 9am – 5pm
Sat – Sun: closed

Request a Quote

    About Us