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OnShift has closed $7 million in Series C financing, the company announced Tuesday.

The firm, which makes scheduling software, has grown to more than 1,000 sites in the past year. That’s partially due to providers’ desire to manage labor, especially for those trying to meet Affordable Care Act requirements related to full-time versus part-time workers, company officials said.

“OnShift is in the right place, at the right time, with innovative staffing and labor management products and services that help providers realize operational, financial and quality improvements,” said OnShift CEO Mark Woodka. “Staffing and labor management have risen to the top of executive agendas.”

New investor HLM Venture Partners led the round of financing. Other investors include Draper Triangle Ventures, Early Stage Partners, Fifth Third Capital, Glengary LLC, and West Capital Partners.