

Compare G4S versus Serco for CEO Rating, Overall Culture Score, Brand Ranking, and other ratings. Results were generated by 321 employees and customers of G4S and 145 employees and customers of Serco.
| 44% | Promoters |
|---|---|
| 14% | Passive |
| 42% | Detractors |
| 45% | Promoters |
|---|---|
| 19% | Passive |
| 36% | Detractors |
Net Promoter Score
Winner by 7