Mentor Circle

Join the Mentor Circle, and become a monthly donor. Little by little, changing children’s lives for the better, forever.

Volunteer with BBBS

Become a Big, join an events committee, become a board member and help with events. There are so many ways to volunteer with us, learn more!

Eat, Raise Funds, and Be Merry!

Join us at Jersey Mike’s for specials all month long! On March 28th 100% of sales will go directly towards Big Brothers Big Sisters of Gallatin County!

The Big Event 2018

​Join Big Brothers Big Sisters at our annual gala and auction, The Big Event!

Get Involved

Looking for a way to get involved with Big Brothers Big Sisters?  There are lots of opportunities, from becoming a Big, joining the board, volunteering on a committee or attending one of our special events.

Start now!

Enroll A Child

Our vision is to see that all children acheive success in life.  There are no economic or family structure qualifiers for enrollment, and our services are always free.

Enroll now!

Donate Now

In the center of all we do are the children we serve. They are surrounded by a team of parents/guardians, volunteers and donors, like you, who support their success in school and life.  Your donations stays right here in your community to reach more children and change their lives for the better, forever.

Donate now!

About Us

Since 1973, Big Brothers Big Sisters of Gallatin County has served thousands of local children.  Our mission is to provide children facing adversity with strong and enduring, professionally supported 1-to-1 relationships that change their lives for the better, forever.

Learn more!


Legacy Makers














Interested in becoming a corporate partner?  Contact us today!


Holiday Gift Wrap Booth

December 2-24, 2017

Watch the Commerical here. Thank you, Gallatin County for helping make our Holiday Gift Wrap Booth such a HUGE success! We're so grateful to have such a supportive community! Check back next fall for more…

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The Big Event

May 19, 2018

You are cordially invited to The Big Event on May 19th, 2018! The BIG Event is Big Brothers Big Sisters of Gallatin County’s annual gala and a community favorite. The evening includes a live and…

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Big Sky Celebrity Golf Tournament

July 8 & 9, 2018

Since its inception in 2001, the Big Sky Big Brothers Big Sisters Celebrity Golf Tournament has been a major fundraising event for Big Brothers Big Sisters of Gallatin County. By playing in the tournament, you…

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