SouthState, a financial services company, completed the merger with Atlantic Capital Bancshares, a publicly-traded bank holding company, in a $542m deal. "This partnership with SouthState enhances our purpose to fuel prosperity for our shareholders, clients, and teammates. SouthState's larger capital base and broader range of capabilities will strengthen our client relationships and expand our new business opportunities. Our companies are tightly aligned culturally; we operate on the same core banking and treasury management platforms, and our credit and risk management philosophies and processes are similar," Douglas L. Williams, Atlantic Capital President and CEO.