Creative Planning, an RIA based in Overland Park, Kan., with $45 billion in assets under managemenl and clients in all 50 states, has acquired OptiFour, an RIA based in Reston, Va., Creative Planning announced Tuesday.

OptiFour provides financial planning, investment management, trust, legal and tax services and has more than $400 million in assets under management. OptiFour will continue to be led by principals Mark Cohen and Wes Burnett. Burnett said OptiFour wanted to align with a national firm.

DeVoe & Company, a consulting firm and investment bank to the RIA industry, represented OptiFour in the sale, while Republic Capital Group represented Creative Planning. The terms of the deal were not released.