Fundraising Opportunities ImprovBoston donates tickets and a limited number of free performances and workshops for fundraisers being held by non-profit 501(c) 3 organizations. In addition, you may choose to hold an event at ImprovBoston as a part of our Fundraising Thursdays program. Rentals of ImprovBoston are also available at a very low price for non-profits. Please contact our box office managers at info@improvboston.com.