Water and waste ยท 250 to 499 staff
Castle Water Limited
Company number SC475583 ยท Last year's median gap 9.3%
Key figures
5.7%median hourly pay gap (sector median 5.5%)
31.0%of the top pay quartile are women
18.1%median bonus gap
| Measure | This employer | Sector median |
|---|---|---|
| Median hourly pay gap how much less women earn per hour than men, at the median | 5.7% | 5.5% |
| Mean hourly pay gap | 18.4% | 5.1% |
| Median bonus gap | 18.1% | 0.5% |
| Women paid a bonus | 70.0% | 53.3% |
| Men paid a bonus | 72.8% | 66.8% |
| Women in the top pay quartile | 31.0% | 19.1% |
| Women in the lowest pay quartile | 50.0% | 26.1% |
| Women in the workforce (from quartiles) | 41.0% | 18.7% |
A positive gap means men are paid more; a negative gap means women are. Sector: Water and waste (84 employers).
Source: UK Gender Pay Gap Service, 2025-26 reports (open data, Open Government Licence v3.0). Every employer with 250 or more staff reports its gender pay gap each year. Compiled by The Hardest Market.