Company profile
Greenbook
Live profile
https://www.greenbook.org/. External link for Greenbook. Industry: Market Research. Company size: 11-50 employees. Headquarters: New York, NY. Type: Privately ...
11-50
New York, NY
AI Classification
Greenbook is a market research industry platform serving insights and analytics professionals, offering a vendor directory of 1,000+ verified companies, buyer's guides, content (articles, reports, podcasts), and global conferences (IIEX series) for the market research ecosystem.
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Social Links
Greenbook is one of 2,671 B2B companies in the Kustiq directory.
Greenbook sits among 45 research / analyst companies in our Professional Services directory.
Similar profiles: Complianceexperts, Resend · Email for developers, Cloud-based data analytics exploration for all, and Growthbook.
Both sit in the 11-50 headcount band. See Greenbook vs Complianceexperts side by side.
Both sit in the 11-50 headcount band. See Greenbook vs Resend · Email for developers side by side.
Both sit in the 11-50 headcount band. See Greenbook vs Cloud-based data analytics exploration for all side by side.
How Greenbook compares with other Research/Analyst companies
Greenbook is one of 45 Research/Analyst companies profiled in the Kustiq ProfServ directory, which holds 159 ProfServ companies in total. Every number below is computed from those profiles.
Greenbook sits in the 11-50 headcount band. 11% of the 38 segment peers with a known team size are smaller. 18% of those peers share the same band.
The most common tech detections across the 8 peers with a visible stack are Cloudflare (50%), WordPress (25%), and Google Analytics (25%). Greenbook lists none of them.
Among the 19 segment companies with disclosed funding, Growth is the most common stage (68%).
The median founding year across 6 peers with a known founding date is 2010.
London is the most common HQ city in this segment, home to 18% of the 11 peers with a known location.
Benchmarks are recomputed from live directory data, so they move as profiles refresh. Counts cover Kustiq-profiled companies, not the whole market.
How this profile was built
- Live web rendering via Browserless headless Chrome, not a stale cached scrape.
- Search intelligence via Serper API across the company site, LinkedIn, press, and GitHub.
- Claude only picks the buckets. It never decides facts.
- 12-factor churn engine. Deterministic score, zero LLM at scoring time.
- SMTP RCPT TO handshake on every contact, at delivery time on full profiles (paid plan).
This profile was built from 1 rendered page of greenbook.org and search coverage across the live web on .
Read the full methodology in our LLM-readable reference or compare against the deterministic-vs-AI framework.
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