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 most direct pure-play rival — the other independent provider of syndicated research and advisory services, sold on a subscription 'Contract Value' model. Forrester's own 10-K names Gartner as its principal direct competitor.

Forrester's 10-K names Gartner as its principal direct competitor in the market for research and advisory services, and concedes some rivals have 'substantially greater financial and marketing resources' — a nod to Gartner's larger scale.

We compete principally in the market for research and advisory services, with an emphasis on customer behavior and customer experience, and the impact of technology on our clients’ business and service models. 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. Some of our competitors have substantially greater financial and marketing resources than we do.

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Forrester's stated defense of the syndicated-research model against AI: its proprietary 'Izola' model answers only from Forrester's own research — content it says the public LLMs cannot reproduce. The same disintermediation question Gartner faces.

George Colony, CEO: Izola is a model built by Forrester that yields answers based on Forrester's research. This content is not available in any other generative model, including the public large language models such as Claude from Anthropic, ChatGPT from OpenAI, and Gemini from Google.

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Forrester's subscription KPIs — the direct analogues to Gartner's ASV and retention metrics — with wallet retention at 89% and Contract Value still contracting (down 3%), a read on how the pure-play research model is faring.

George F. Colony, CEO & Chairman: Wallet retention improved by two points from last quarter to 89%, which is up three points from the previous year. Client retention improved by one point from the prior quarter to 78%, up five points from the prior year. […] On the CV side, we saw a decline of 3%, an improvement on the 6% decline in 2025.

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Information Services Group (ISG) (III)

A technology research and advisory firm whose ISG Provider Lens vendor-evaluation research and benchmarking collide head-on with Gartner's Magic Quadrant / vendor-selection advisory franchise; explicitly claims the 'technology research and advisory services market.'

ISG quantifies the vendor-evaluation franchise that competes with Gartner's Magic Quadrant / vendor-selection work: 180,000+ monitored contracts and 4,000+ providers evaluated annually, with buyers relying on ISG Research to assess potential partners.

ISG monitors over 180,000 unique technology service contracts and annually evaluates more than 4,000 service and software providers, offering valuable insights into pricing, capabilities, and provider stability. When large organizations seek to assess potential partners, they rely on ISG Research for thorough evaluations of capabilities, pricing structures, breadth of offerings, and historical performance.

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ISG reports double-digit growth in its research business, led by ISG Provider Lens provider-evaluation research and events — the Gartner-style syndicated-research and conference model, with AI content demand rising.

Our ISG Research business delivered double-digit growth, led by our ISG Provider Lens® provider evaluation research and ISG Events. Client interest in AI-related content continues to rise, evidenced by our five sold-out AI Impact Summit events held across the globe in 2025.

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ISG's CEO claims the 'technology research and advisory services market' — Gartner's home turf — and sizes its influence at more than $200 billion of annual tech spend informing its research and benchmarking.

Michael P. Connors, Chairman & CEO: Each year, we influence more than $200 billion of tech spend. This activity informs our advisers and researchers, expands our benchmarking data and delivers data-driven insights and recommendations our clients depend on for their AI-powered business transformations.

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Informa / Informa TechTarget (INF)

Through Informa TechTarget (Omdia, Enterprise Strategy Group, Canalys) it sells specialist technology research that names Gartner as a competitor, and through Informa's B2B Live Events it rivals Gartner Conferences.

Informa TechTarget's 10-K names Gartner (with IDC, Forrester and Frost & Sullivan) among the larger, established players in specialist tech research, and states it competes on the specificity of its analysis and analyst coverage.

Providers of specialist tech research include several larger, established players such as Gartner, IDC, Forrester, Frost and Sullivan, and others. We compete against these companies based on the specificity of our analysis, content creation capabilities, and analyst coverage against specific technology categories.

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The specialist tech-research brands (Omdia, Canalys, Wards Intelligence, Enterprise Strategy Group) that Informa uses to sell analyst-led research and intelligence to technology vendors — the franchise that overlaps Gartner's syndicated IT research.

Specialist Technology Research: Through the Omdia brand, the specialist brands Canalys and Wards Intelligence and our Enterprise Strategy Group, we provide research and intelligence services to technology providers based on expert analysis and data-driven intelligence and reports.

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Informa's stated leadership in B2B Live Events — 800+ specialist brands across 30+ market categories — the events business that competes with Gartner's Conferences segment.

Over the last 10+ years, Informa has built the leading position in B2B Live Events globally, including more than 800 specialist Brands serving 30+ growth market categories in all major geographic regions.

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Clarivate (CLVT)

A subscription scientific, academic and IP intelligence franchise; not a product-for-product rival, but it names Gartner in its own capital-markets peer index and runs the same high-retention subscription information-services model.

Clarivate places Gartner in the market-cap-weighted peer index it uses to benchmark shareholder returns — an explicit signal that it regards Gartner as a comparable subscription information-services company.

The following graph compares our total cumulative shareholder return with the Standard & Poor’s Composite Stock Index (“S&P 500”) and a market capitalization-weighted peer index consisting of FactSet Research Systems Inc.; Gartner, Inc.; Moody’s Corporation; MSCI Inc.; S&P Global Inc.; and Verisk Analytics, Inc.

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Clarivate's description of its subscription model — 45,000+ customers and renewal rates above 90% delivering predictable revenue — the same recurring, high-retention economics that underpin Gartner's Research segment.

We serve more than 45,000 customers worldwide, including academic institutions and libraries, research organizations, corporations, law firms, government entities, and companies across the pharmaceutical, biotechnology, and medical device industries, providing a trusted foundation and quality user experience resulting in our strong and consistent annual customer renewal rates exceeding 90 percent.

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S&P Global (SPGI)

A large subscription data, analytics and research franchise (Market Intelligence) competing for the same enterprise research/insight budgets; its commentary on embedding GenAI to lift subscription retention mirrors Gartner's own AI-versus-subscription question.

S&P Global's stated view that embedding AI tools into its subscription research raises retention — a couple of hundred basis points in Market Intelligence and over 500bps in Energy — the AI-reinforces-subscription flywheel Gartner is also pursuing.

Eric Aboaf, CFO: In the clients that have been using our AI tools and availing themselves of those in Market Intelligence, we're seeing a couple of hundred basis points higher retention rates. In Energy, over 500 basis points of higher retention rates because, again, usage is value for clients.

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S&P Global reports more than a third of its Capital IQ Pro users engaging with newly launched AI features — a measure of GenAI adoption inside a subscription-research desktop, the same delivery shift Gartner is making.

Martina Cheung, President & CEO: More than one-third of our CapIQ Pro users engage with the AI features we've launched, including ChatIQ and Document Intelligence.

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Thomson Reuters (TRI)

A subscription professional-information and workflow franchise selling recurring content and, increasingly, GenAI (CoCounsel) into enterprises; competes for information/advisory budgets and offers a close structural mirror of Gartner's recurring, high-retention model.

Thomson Reuters' recurring-revenue growth alongside its AI-penetration metric: 9% organic growth and 22% of annualized contract value now from GenAI-enabled products — the same recurring-plus-AI trajectory Gartner is chasing.

Michael Eastwood, CFO: Organic revenue grew 9% in the second quarter, stable with the first quarter and continuing the strong trend from recent periods. […] At the end of Q2, the percent of our annualized contract value, or ACV, from products that are GenAI-enabled was 22%, up from 20% last quarter.

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Thomson Reuters' own description of its recurring-subscription, workflow-embedded, high-retention model — the structural analogue to Gartner's subscription research franchise, now layered with embedded AI.

We derive a significant portion of our revenues from selling information and software solutions, mostly on a recurring subscription basis. Our professional-grade solutions are built on comprehensive proprietary content and deep domain expertise with software, embedded AI capabilities and automation tools. We believe our workflow solutions make our customers more productive by streamlining how they operate, enabling them to focus on higher value activities. Many of our customers use our solutions deeply integrated into their workflows, which has led to strong customer retention.

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Competition

Forrester Research (FORR)

Information Services Group (ISG) (III)

Informa / Informa TechTarget (INF)

Clarivate (CLVT)

S&P Global (SPGI)

Thomson Reuters (TRI)

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