PSG, a growth equity firm partnering with middle-market software and technology-enabled services companies, has invested in Sign In App, a provider of workplace risk management software. PSG senior advisor Jeff Gordon will join the board of directors as executive chairman. PSG’s Matt Stone, managing director, Namrita Rai, VP, and Katherine Nimmo, senior associate, will also join Sign In App’s board of directors.

“Through this new partnership, we’re excited to be a part of Sign In App’s North American expansion and support the company’s commitment to continuous product innovation in order meet their customers’ evolving needs,” said Gordon. “Industry tailwinds generated by demand for clear and efficient workplace risk management tools underscore the U.S. market opportunity Sign In App holds.”

Sign In App’s software facilitates a wide range of employee and visitor management requirements, including employee and guest check-ins, desk booking, questionnaires to support compliance with health and safety requirements, emergency response procedures and more. Sign In App currently serves more than 4,500 customers comprising of over 7,500 sites, including universities and corporations.