Gartner
Depends
Confidence: Medium
Buy only if you're a large enterprise making high-stakes, board-visible tech decisions where analyst validation is worth a five-figure-plus contract.
Comparison
Gartner vs Forrester
Gartner and Forrester both land on Depends.
Forrester
Depends
Confidence: Medium
Buy if you're an enterprise strategy, security, or CX team with budget for analyst research and formal vendor evaluations.
| Compare | Gartner | Forrester |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | Large enterprises validating major platform purchases | Enterprise strategy and analyst-relations teams |
| Who it's not for | Startups and small teams . pure overkill | Small teams wanting quick, cheap market answers |
| Privacy | No confirmed breach found in sources reviewed; one researcher-reported exposed legacy system, and returned no page.⁸ | No public vulnerability feed and no security page found on; one disclosed incident where hackers stole sensitive internal reports. |
| Support quality | No usable evidence found | No customer support evidence found |
| Public sentiment | Enterprise buyers find the research valuable but freely complain about cost, paywalling, and whether the firm is still worth it.² | Customer reviews are sparse . G2 hosts 39 product reviews while Glassdoor's 1,734 reviews are employee opinions, not buyer feedback.12 |
| Biggest gotcha | No published prices; contracts are custom quotes, so budgeting requires a sales call⁴ | Pricing never published; consulting engagements are contracted separately from research access15 |
Pick Gartner when
- Large enterprises validating major platform purchases
- CIOs and CISOs needing analyst backing for boards
- Vendors seeking Magic Quadrant visibility
- Orgs wanting analyst access plus consulting and conferences
When Gartner is not a fit
- Startups and small teams . pure overkill
- Anyone needing published, transparent pricing
- Devs wanting quick technical answers . use docs and Reddit
- Teams that just need software reviews . Peer Insights is free
Pick Forrester when
- Enterprise strategy and analyst-relations teams
- Security & risk leaders needing Wave vendor evaluations
- CX leaders benchmarking against industry indexes
- Vendors commissioning ROI and TEI studies
When Forrester is not a fit
- Small teams wanting quick, cheap market answers
- Buyers expecting published, self-serve pricing
- Startups without a six-figure analyst budget
- Anyone shopping software . free review sites do this job
Sources
- Gartner Peer Insightsgartner.comofficial
- Gartner Reviews on G2g2.comreview
- Gartner Review 2026 . SalesHivesaleshive.comreview
review
- Ask HN: Why and how is Gartner Inc. still relevant?news.ycombinator.comreview
news
- Security Discovery: Gartner legacy system exposed onlinesecuritydiscovery.comsecurity
- UpGuard: Gartner Security Rating Reportupguard.comsecurity
- Gartner . Wikipediaen.wikipedia.orgnews
news
review
- Forrester Reviews (1,734) | Glassdoorglassdoor.comreview
- Forrester Software Pricing | Vendrvendr.comofficial
- Forrester GSA price sheetdms-media.ccplatform.netofficial