Stone-Goff Partners, a private investment firm focused on business services, has made an investment in John Staurulakis LLC, a nationwide provider of specialty consulting and engineering services.

JSI combines regulatory, financial and compliance advisory, fiber engineering, and managed services expertise to bring a platform to broadband operators nationwide. Stone-Goff Partners II CF LP acquired a majority interest in JSI from Stone-Goff Partners II LP and affiliates.

“JSI’s recent growth is a testament to the Company’s strong foundation with its customers and the vision of CEO Tasos Tsolakis,” says Laurens Goff, co-founder and managing partner of Stone-Goff. “We are excited to continue our partnership with Tasos and his team as they drive further growth in the broadband telecommunications industry.”

Stone-Goff was supported in this transaction by Sixpoint Partners (secondary transaction advice), Foley & Lardner LLP (legal advice), and Kroll LLC (fairness opinion). The new investors were supported by Hogan Lovells US LLP (legal advice).