

Compare G4S versus Serco for CEO Rating, Overall Culture Score, Brand Ranking, and other ratings. Results were generated by 327 employees and customers of G4S and 146 employees and customers of Serco.
| 44% | Promoters |
|---|---|
| 14% | Passive |
| 42% | Detractors |
| 44% | Promoters |
|---|---|
| 18% | Passive |
| 38% | Detractors |
Net Promoter Score
Winner by 4