Description: 3i is an international investment firm that offers financial solutions for management buyouts, growth capital and investments in infrastructure. 3i primarily serves businesses and other organizations throughout Asia, Europe and the US. Businesses which are considering a private equity investor may contact 3i at their London headquarters by calling +44 (0)207 975 3456. As an international investor, 3i has offices in twelve nations and a unique understanding of the financial needs of those businesses in regions which 3i is a member of.