Competition

Competitors describe Gartner, Inc.'s market in their own filings and calls. These verified passages and visual pages show where their strategies meet, using source documents preserved in Sources.

Forrester Research (FORR)

The only pure-play direct competitor to Gartner's core Research franchise — an independent research and advisory firm that names Gartner in its 10-K and reports the same recurring subscription contract-value metric.

Forrester's 10-K names Gartner as a principal direct competitor in research and advisory services.

Our principal direct competitors include other independent providers of research and advisory services, such as Gartner, as well as marketing agencies, general business consulting firms, and survey-based general market research firms.

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Forrester's 'contract value' — the recurring research-subscription metric Gartner also reports — fell 6% to $292.4 million in 2025, from $311.9 million a year earlier.

We track contract value as a significant business indicator. Contract value is defined as the value attributable to all of our recurring research-related contracts.

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Forrester's CEO reframes the firm as 'the leading AI research company' and adviser as AI reshapes demand for syndicated research.

George F. Colony, Chief Executive Officer: Between our extensive coverage of AI and Izola, we believe that we are the leading AI research company, positioning the company to be the leading adviser to our clients as they use AI to win, serve, and retain customers.

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Information Services Group (ISG) (III)

Brands itself a technology research and advisory firm; its ISG Research, benchmarking and sourcing-advisory lines collide directly with Gartner's Research and Consulting segments.

ISG's self-description as a technology research and advisory firm serving 900+ clients, including 75 of the world's top 100 enterprises.

Information Services Group, Inc. (Nasdaq: III) is a global AI-centered technology research and advisory firm. A trusted partner to more than 900 clients, including 75 of the world's top 100 enterprises, ISG is a long-time leader in technology and business services sourcing that is now focused on leveraging AI to help organizations achieve operational excellence and faster growth.

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ISG's competition section places 'research firms' and 'strategy consultants' in its market alongside benchmarking data as a basis of competition.

Competition in the sourcing, data, information and advisory market is primarily driven by independence and objectivity, expertise, possession of relevant benchmarking data, breadth of service capabilities, reputation and price. We compete with other sourcing advisors, research firms, strategy consultants and sourcing service providers.

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ISG Research's benchmarking base — 180,000 tracked contracts and 4,000+ providers evaluated a year — the data-and-provider-evaluation role Gartner also sells.

ISG tracks over 180,000 unique technology service contracts and measures and writes about more than 4,000 service and software providers each year. This gives us valuable insights into pricing, capabilities and stability. When large enterprises need to evaluate providers, they reach out to ISG Research for a deep understanding of capabilities, pricing, breadth of coverage and past experience.

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Accenture (ACN)

The largest technology-strategy and advisory competitor to Gartner Consulting; a scale player advising enterprises on AI and reinvention.

Accenture's stated role advising clients on what AI to deploy and when — the technology-advisory function that overlaps Gartner Consulting.

Julie Sweet, Chief Executive Officer: We play a critical role in the AI-ecosystem. Foundation models provide the “intelligence”; and our role is helping clients understand what to deploy and when, how to integrate it into their systems, reimagine their processes, modernize their data and digital core, help redesign their operating models and do effective change management, and help build the capabilities and talent needed to scale AI across the enterprise.

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Accenture's stated $240 billion mid-market addressable market (companies with $300 million–$3 billion of revenue) as it extends enterprise technology advisory to smaller companies Gartner also serves.

Julie Sweet, Chief Executive Officer: We are also expanding our total addressable market by going after a new, exciting customer segment: the mid-market.

p. 5 · Read in context →

Huron Consulting Group (HURN)

A management- and digital-consulting firm whose technology-strategy, ERP and AI advisory overlaps Gartner Consulting's engagements.

Huron's digital/technology advisory reached 41% of company revenue (RBR) in 2025.

C. Mark Hussey, Chief Executive Officer: Our digital capability, which represented 41% of total company RBR in 2025, remains a differentiated partner to our clients in a large growing market.

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Huron frames AI-strategy and modernization advisory as an expansion of its addressable market.

C. Mark Hussey, Chief Executive Officer: We also see AI as an opportunity to grow our addressable market as we continue to invest in and sell our AI-focused services and solutions, which range from AI strategy and data modernization to implementation, orchestration, and change management.

p. 4 · Read in context →

More peer documents

III_annual_report_FY2025 — 127 pages · ISG's latest 10-K — updated positioning, ISG Research Lens/Tango platforms and recurring-revenue mix. · Open →

Q1_FY2026 — 7 pages · CEO ties growth to research and recurring revenue and quantifies the more than $200bn of tech spend ISG influences a year. · Open →

ACN_annual_report_FY2025 — 103 pages · Accenture's Reinvention Services and Strategy & Consulting scope — the segment that competes with Gartner Consulting. · Open →

HURN_annual_report_FY2025 — 178 pages · Huron's Digital segment detail and formal competition section for the technology-advisory overlap. · Open →

Q4_FY2025 — 9 pages · Forrester's FY2025 wrap-up — reshaping consulting/events around the higher-margin subscription-research core. · Open →

Q1_FY2026 — 23 pages · Accenture management on AI/reinvention advisory demand and taking market share. · Open →

FCN_annual_report_FY2024 — 103 pages · FTI's competition section defines rivals as restructuring/e-discovery/economics firms, not research/advisory — evidence its Gartner overlap is marginal. · Open →

CRAI_annual_report_FY2026 — 125 pages · CRA's Management Consulting scope, to confirm its litigation/economics core barely overlaps Gartner Consulting. · Open →