Painter, Smith & Amberg has joined the Prospera network of firms.
Greykasell Wealth Strategies will be led by David Eisenhauer and will custody most client assets with Fidelity.
The firm has acquired PG Calc, a support organization for charitable programs.
The deal is expected to give LPL another 2,400 advisors, the firm said.
Despite economic uncertainty, donors authorized $500 million more in grants than a year ago, the charity said.
Lower interest rates will increase positive returns in the sector, deVere Group CEO Nigel Green said.
The Los Angeles-based firm is adding firms in Chicago and Baltimore.
Nesso, with $262 million in client assets, was previously associated with the Carson Group.
The online broker's rates last year were at one point 500 times less than the federal-funds rate, the suit alleges.
Summit recruited two independent firms in Alabama and Indiana.