Lucas Group, an executive recruiting firm, is selling a majority interest in the company to H.I.G. Capital.

H.I.G., which is based in Miami and has an office in Atlanta, said it planned to expand Lucas Group. Lucas Group has 15 offices in the U.S. and two in Germany.

Terms of the deal were not disclosed.

“After 37 years of independent growth, we are excited to have found the right partner for Lucas Group,” said Arthur Lucas, the founder and chief executive officer of Lucas Group, in a statement. “With H.I.G.’s financial and strategic support, the company will continue to grow and advance to the next level in a way that is consistent with our history, philosophy and value system.”