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Who is STG – Symphony Technology Group?
STG – Symphony Technology Group is a private equity firm based in the United States.
Firm facts
STG – Symphony Technology Group
- Type
- private equity firm
- Headquarters
- United States
- Website
- stg.com
Industries
Last verified 2026-10-24
How they work
STG is a private equity investor in middle-market software, data and analytics companies. It has experience with corporate carve-outs, public-to-private transactions and operational improvement.
STG brings operating and investment experience to software and data businesses, including carve-outs and public-to-private situations. Its public pages describe working with management teams to grow and optimize companies.
- Capital model
- Private equity investing in middle-market data, software and analytics companies, including corporate carve-outs and public-to-private deals.
- Ownership
- STG cites private equity investments, carve-outs and public-to-private transactions, with active operating support.
- Platform or bolt-on
- STG builds portfolio businesses and has recently acquired the thinkFolio investment-management software business for its Gresham platform.
- Sector focus
- Middle-market software, data and analytics companies, including mission-critical vertical technology.
Their portfolio
Showing 26 of 26 known holdings — coverage is still partial.
Company
Sector
What they do
- SectorMedia & telecomWhat they doSoftware for creating, managing and distributing professional video and audio content across media production workflows.
- SectorSoftware & IT servicesWhat they doSoftware for live and virtual events, online learning, certification and associated content monetization.
- SectorIndustrials & manufacturingWhat they doERP, manufacturing execution, warehouse-management and process-automation software for food and manufacturing companies.
- SectorLogistics & transportWhat they doFreight-management software for carriers and transportation operations.
- SectorMedia & telecomWhat they doSoftware for producing, adapting and deploying advertising creative at scale.
- SectorSoftware & IT servicesWhat they doLaboratory information-management and data software for product testing and scientific workflows.
- SectorConstruction & infrastructureWhat they doConstruction-market data, analytics and project information for industry participants.
- SectorIndustrials & manufacturingWhat they doPackaging-industry software linking business, production and workflow operations.
- SectorProfessional & business servicesWhat they doMarket research, data analytics and advisory services that help clients understand customers and business markets.
- SectorConsumer & retailWhat they doRetail software supporting commerce and store operations.
- SectorFinancial servicesWhat they doData automation, reconciliation and control software for financial institutions.
- SectorSoftware & IT servicesWhat they doDigital asset-management software for storing, collaborating on and distributing business media assets.
- SectorSoftware & IT servicesWhat they doMarketing personalization software that adapts customer communications using automation and data.
- SectorFinancial servicesWhat they doPricing and profitability software for banks and other financial institutions.
- SectorSoftware & IT servicesWhat they doRegistry-management and community-notification software used by law-enforcement agencies.
- SectorMedia & telecomWhat they doMedia monitoring, reputation intelligence and communications analytics for public-relations teams.
- SectorSoftware & IT servicesWhat they doData and decision software for national-security readiness and operational planning.
- SectorSoftware & IT servicesWhat they doSoftware and data services for trading, commodity and financial markets.
- SectorSoftware & IT servicesWhat they doNetwork and cloud-security software, with associated professional services for enterprises and government agencies.
- SectorSoftware & IT servicesWhat they doCloud software for governance, risk, compliance, environmental health, sustainability and training workflows.
- SectorSoftware & IT servicesWhat they doCloud data-security software for protecting organizational information.
- SectorSoftware & IT servicesWhat they doOnline survey and form software for collecting and analyzing responses.
- SectorProfessional & business servicesWhat they doTax compliance, accounts-production and practice-management software for UK accounting firms.
- SectorSoftware & IT servicesWhat they doCybersecurity software for endpoint, network and data protection.
- SectorSoftware & IT servicesWhat they doCollaborative work-management software for teams and organizations.
- SectorFinancial servicesWhat they doOpen-finance data aggregation and analytics software used by financial institutions.
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Sources
The truth, first.Data as at 2026-10-24