About Us

What to Expect from Us

Our office is the most hassle free way to find and enroll in health insurance in Eastern Montana. Whether you need coverage for yourself or your employees, let us make things simple for you.

How We Work

A Personalized Process

1. Get A Personalized Assessment Of Your Situation

There is no “one plan fits all”. We’ll ask a few questions & guide you through which plan may be best for you, without pressuring you to make a decision.

2. We Complete All the Necessary Paperwork

We’ll take all the hassle out of completing your application, simplifying the process and following up to make sure you are enrolled.

3. Have Questions Later On? We'll Be Here To Help

Should you need anything, we are just a phone call or email away.  We are with clients for the long haul.

Experience Matters

Union Gateway Agency has been around for more than 30 years.

Our Company at a Glance

Our agency prides itself on providing personal service throughout the life of your insurance plan, not just once a year.

Union Gateway Agency offers an array of insurance products and concepts including individual, employer, dental, vision, life, disability, long term care and single trip travel insurance. Our goal is to educate, implement and simplify the process of obtaining insurance.

Greta Seitz

President & Business Manager
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Gloria Michaelis

Licensed Agent
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Our Mission

"We are dedicated to providing superior services that our clients recommend to their families and friends. We work hard to continuously enhance our reputation for accessibility, professionalism, performance, and the depth and quality of our long-term relationships with our clients."

Greta Seitz  |  President/Business Manager

202 3rd Ave. NW
Sidney, MT 59270