Partners for Business
STG is a private equity firm focused on fueling innovative software,
data, and analytics market leaders in the mid-market
who we are
With a demonstrated track record of success, our team brings together strong domain talent to collaborate and realize the power of your business. Let our experience guide the growth and optimization of your company.
our approach
We find, build, and scale mid-market software and software-enabled tech services businesses. We have tailored our team and approach specifically to these sectors.
We believe we unlock the potential of innovative companies by partnering with top management teams to build customer-centric market winners. We are committed to our portfolio companies’ growth, building a sustainable foundation that brings value to existing and future stakeholders – especially end customers. We believe our well-executed record of success enables us to anticipate potential hurdles while focusing on achieving long-term results for our portfolio companies.
portfolio
news
STG Raises $1.3 Billion for Oversubscribed STG Allegro II in Under Four Months
STG Allegro II exceeded its $950 million target and builds upon the momentum of the inaugural Allegro fund Menlo Park, CA – March 4, 2026 – STG (the “Firm”), a leading private equity firm focused on investing in the enterprise software sector, is pleased to announce the final closing of STG Allegro II (together with…
Trellix strengthens executive leadership team to accelerate cyber resilience vision
Trellix appoints industry veteran CPO to advance AI-powered innovation and customer-first execution Trellix, a company delivering on the future of AI-powered cybersecurity, today announced the appointments of Alex Au Yeung as Chief Product Officer and Zach Nelson as Chief Human Resources Officer. These strategic additions reinforce Trellix’s commitment to helping customers build cyber resilience by…
SurveyMonkey Earns Equality 100 Award in Human Rights Campaign Foundation’s 2026 Corporate Equality Index
SurveyMonkey announces its 100 rating in the Human Rights Campaign Foundation’s assessment of LGBTQ+ workplace equality “Consistency matters when you are building a culture of belonging,” said Becky Cantieri, chief people officer at SurveyMonkey. “Earning a perfect score in the CEI for three consecutive years is a great recognition of that consistency, but the real…
