

Compare GlaxoSmithKline versus Merck for CEO Rating, Overall Culture Score, Brand Ranking, and other ratings. Results were generated by 40 employees and customers of GlaxoSmithKline and 521 employees and customers of Merck.
| 54% | Promoters |
|---|---|
| 17% | Passive |
| 29% | Detractors |
| 59% | Promoters |
|---|---|
| 18% | Passive |
| 23% | Detractors |
Net Promoter Score
Winner by 11
CEO Rating
Winner by 19%