Insurance made simple, just the way it should be.
Navigate Insurance with Confidence
Welcome to Union Gateway Agency Insurance
Union Gateway Agency in Sidney, Montana has been providing insurance solutions to individuals and many types of businesses across Eastern Montana for years. We are your preferred local health insurance agency helping you with group health plans, family health and supplemental insurance products as well as Medicare supplements and prescription drug plans.

Domestic Adoptions
Simplify the journey of welcoming a child from within the country into your family.
International Adoptions
Whether your heart is leading you across the globe or to a local adoption, we can help.
Second Parent Adoption
Every child deserves a loving home, and we champion the right of all parents to build a family.
Let's Chat – Your Insurance, Your Way
Find the Right Coverage with Confidence
At Union Gateway Agency, we believe insurance is more than policies and paperwork—it’s about people. When you reach out to us, you’re not just another client. We’re committed to finding the right plan for you and being there when you need us most.

Clear Choices for a Healthier Future
Your Insurance, Your Choices, Made Simple
We pride ourselves on beings a hands on agency and are here to help you with all our question whether it be claims, payments, or policy questions. Insurance and benefits can be overwhelming. It’s our job to make things simple for you!
Bringing Families Together, One Adoption at a Time.
At Greenberg & Greenberg, we specialize in helping families grow. Whether you're adopting a child from within the country or from abroad, or a step-parent looking to legally formalize your role, we're here to help. Our firm also provides services to ensure your family's future is secure. Our team stand with you, making your family dreams a reality.
Domestic Adoptions
Simplify the journey of welcoming a child from within the country into your family.
International Adoptions
Whether your heart is leading you across the globe or to a local adoption, we can help.
Second Parent Adoption
Every child deserves a loving home, and we champion the right of all parents to build a family.