CoStar Group Overview
The Overall Ranking is a score from 1 star (very bad) to 5 stars (excellent) generated based on the Company Reviews of current and former employees at this company, taking everything into account.
The number you see in the middle of the donut pie chart is the simple average of these scores. If you hover over the various sections of the donut, you will see the % breakdown of each score given.
The percentile score in the title is calculated across the entire Company Database and uses an adjusted score based on Bayesian Estimates (to account for companies that have few reviews). Simply put, as a company gets more reviews, the confidence of a "true score" increases so it is pulled closer to its simple average and away from the average of the entire dataset.
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Company Details
CoStar Group (NASDAQ: CSGP) is the primary provider of websites for commercial real estate information, analytics and marketing services.
Founded in 1987, CoStar conducts expansive, ongoing research to produce and maintain the largest and most comprehensive database of commercial real estate information. Our suite of online services enables clients to analyze, interpret and gain unmatched insight on commercial property values, market conditions and current availabilities.
Through LoopNet, the Company operates the most heavily trafficked commercial real estate marketplace online with more than 7 million registered members. CoStar operates websites that have approximately 10 million unique monthly visitors in aggregate.
Headquartered in Washington, DC, CoStar maintains offices throughout the U.S. and in Europe with a staff of approximately 2,000 worldwide, including the industry's largest professional research organization.
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