Information Services Group (NASDAQ: III) is a technology research and advisory firm that helps private and public sector organizations with digital transformation, sourcing decisions, and operational cost optimization. The company makes money through project-based advisory fees billed on time-and-materials or fixed-fee arrangements, supplemented by subscription-based recurring revenue from products including ISG GovernX, ISG Research Lens, ISG Inform, and multi-year public sector contracts. Founded in 2006 and headquartered in the United States, ISG served more than 900 clients as of the FY2025 10-K filing, including 75 of the world's top 100 enterprises, and employs approximately 1,500 professionals worldwide. The firm operates through two client solution areas: ISG Digital, covering technology transformation and sourcing, and ISG Enterprise, covering IT, finance, HR, and training optimization. ISG expanded its footprint with the acquisition of Martino & Partners, an Italy-based strategic advisory firm, on September 1, 2025. Americas revenue grew 11 percent in FY2025, excluding divested automation business results from FY2024.

Revenue model

Revenues are principally derived from fees for services on a project-by-project basis, recognized on time-and-materials or fixed-fee arrangements (per FY2025 10-K). Recurring revenue streams include subscriptions through ISG GovernX, ISG Research Lens, ISG Inform, and multi-year public sector and managed services contracts.

Products and services

ISG Digital (technology transformation, sourcing, digital advisory); ISG Enterprise (IT, finance, HR, and training optimization); ISG GovernX (supplier management platform); ISG Inform (operational benchmarking platform); ISG Tango (proprietary operating and sourcing platform); ISG Research (market analysis and provider evaluations); ISG Research Lens (subscription research product); Network and Software Advisory portfolio; managed services delivered under multi-year contracts.

Customers and end markets

More than 900 clients as of FY2025 10-K, including 75 of the world's top 100 enterprises. Client base spans private sector enterprises and public sector organizations. End markets include banking, insurance, and smart manufacturing. Clients are undertaking cost optimization, digital transformation, and technology outsourcing programs.

Value-chain role

Third-party advisor and research provider sitting between large enterprises and technology service providers. ISG evaluates, benchmarks, and governs provider relationships rather than delivering the underlying technology services itself. Its proprietary platforms and market data underpin advisory engagements.

Geographic exposure

Global operations with approximately 1,500 professionals worldwide (per FY2025 10-K). Americas segment had its strongest revenue growth since 2021 in FY2025. Expanded into Italy with the acquisition of Martino & Partners on September 1, 2025. Serves clients through an iFlex global delivery capability targeting middle-market clients.

Source: SEC 10-K, filed 2026-03-06

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