Olympus Partners is acquiring executive search and staffing recruiter Vaco from private equity firm Quad-C Management. The deal comes several days after Quad-C invested in flooring products distributor Galleher Corp.

Founded in 2002, Vaco is a staffing company that operates more than 35 offices across the U.S. and internationally. The Nashville, Tennessee-based target helps to match the strongest professionals in accounting, finance, administration, technology and healthcare information technology with its clients looking for employees. Vaco offers a variety of executive search, consulting and placement services.

Olympus is a middle market private equity firm founded in 1988. The firm invests at least $50 million in businesses across the consumer, business services, healthcare, logistics and industrials sectors. Some of Olympus’ investments include pet toy manufacturer Petmate Holdings Co., logistics provider Global Link and hospitality services company Centerplate. Kirkland & Ellis LLP served as legal adviser to Olympus on the Vaco deal.

Quad-C, based in Charlottesville, Virginia, backs companies generating $75 million to $400 million in revenue. The middle-market private equity firm has invested more than $3.9 billion in capital across all funds since its start in 1989. Quad-C first invested in Vaco in 2014. The firm has made seven add-on deals since its initial capital investment.

Quad-C has remained active across the middle market. The firm raised its ninth investment fund in March, securing approximately $1.1 billion in capital commitments. The firm has made numerous deals in the past, including: the purchase of carpet manufacturer Stanton Carpet Corp. from Norwest Equity Partners; the completed acquisition of Rainbow Early Education Holding LLC from Spire Capital Partners; and the backing of Inmark Packaging.