HYDRO ALUMINIUM UK LIMITED

HYDRO ALUMINIUM UK LIMITED has submitted data every year since 2017, with all 9 submissions on time.

This company has been viewed 0 times in the last 30 days.

Last submission received on Thursday, 19 Mar 2026 at 11:40 UTC.

Employer ID 10868
Company Number 00961843
Employer Size 500 to 999
Years Submitted
201720182019202020212022202320242025

Overall workforce composition

Deviation from a 50:50 gender split, averaged across all four pay quartiles per year. 0% represents an equal split of men and women; positive values mean more women, negative means fewer women.

Hourly pay gap over time

Positive values indicate women's hourly pay is lower than men's by that percentage. A value of 0 indicates equal pay; negative values indicate women earn more.

Pay quartile breakdown

Each band shows the percentage of that quartile that is male vs female.

Lower quartile bottom 25% of earners

Lower-middle quartile 25–50th percentile

Upper-middle quartile 50–75th percentile

Top quartile top 25% of earners

Bonus pay

Percentage of each gender who received a bonus payment.

Bonus pay gap — positive values indicate women's bonus pay is lower than men's.

Year by year

Each year's submission in full. Most recent year shown first.

2025 Mean pay gap 11.9%

In this organisation, women earned 94p for every £1 that men earned when comparing median hourly pay.

Women made up 23.0% of the highest paid quarter and 18.0% of the lowest paid quarter.

Mean hourly pay gap 11.9%
Median hourly pay gap 5.9%
Men receiving bonus 100.0%
Women receiving bonus 100.0%
Mean bonus gap 30.9%
Median bonus gap 0.0%

Pay quartile breakdown

Women
Men
Top quartile 23.0%
77.0%
Upper-middle 17.0%
83.0%
Lower-middle 20.0%
80.0%
Lower quartile 18.0%
82.0%
2024 Mean pay gap 8.6%

In this organisation, women earned 96p for every £1 that men earned when comparing median hourly pay.

Women made up 16.0% of the highest paid quarter and 30.0% of the lowest paid quarter.

Mean hourly pay gap 8.6%
Median hourly pay gap 3.6%
Men receiving bonus 94.0%
Women receiving bonus 90.0%
Mean bonus gap 58.7%
Median bonus gap 0.0%

Pay quartile breakdown

Women
Men
Top quartile 16.0%
84.0%
Upper-middle 16.0%
84.0%
Lower-middle 16.0%
84.0%
Lower quartile 30.0%
70.0%
2023 Mean pay gap 13.1%

In this organisation, women earned 93p for every £1 that men earned when comparing median hourly pay.

Women made up 13.0% of the highest paid quarter and 31.0% of the lowest paid quarter.

Mean hourly pay gap 13.1%
Median hourly pay gap 7.5%
Men receiving bonus 100.0%
Women receiving bonus 100.0%
Mean bonus gap 18.7%
Median bonus gap 0.0%

Pay quartile breakdown

Women
Men
Top quartile 13.0%
87.0%
Upper-middle 14.0%
86.0%
Lower-middle 8.0%
92.0%
Lower quartile 31.0%
69.0%
2022 Mean pay gap 16.2%

In this organisation, women earned 91p for every £1 that men earned when comparing median hourly pay.

Women made up 11.0% of the highest paid quarter and 33.0% of the lowest paid quarter.

Mean hourly pay gap 16.2%
Median hourly pay gap 9.4%
Men receiving bonus 97.0%
Women receiving bonus 100.0%
Mean bonus gap 15.8%
Median bonus gap 0.0%

Pay quartile breakdown

Women
Men
Top quartile 11.0%
89.0%
Upper-middle 12.0%
88.0%
Lower-middle 13.0%
87.0%
Lower quartile 33.0%
67.0%
2021 Mean pay gap 10.7%

In this organisation, women earned 90p for every £1 that men earned when comparing median hourly pay.

Women made up 13.0% of the highest paid quarter and 32.0% of the lowest paid quarter.

Mean hourly pay gap 10.7%
Median hourly pay gap 9.6%
Men receiving bonus 95.0%
Women receiving bonus 94.0%
Mean bonus gap 32.0%
Median bonus gap 0.0%

Pay quartile breakdown

Women
Men
Top quartile 13.0%
87.0%
Upper-middle 12.0%
88.0%
Lower-middle 8.0%
92.0%
Lower quartile 32.0%
68.0%
2020 Mean pay gap 4.1%

In this organisation, women earned 91p for every £1 that men earned when comparing median hourly pay.

Women made up 11.0% of the highest paid quarter and 24.0% of the lowest paid quarter.

Mean hourly pay gap 4.1%
Median hourly pay gap 8.7%
Men receiving bonus 100.0%
Women receiving bonus 98.0%
Mean bonus gap 27.1%
Median bonus gap 0.0%

Pay quartile breakdown

Women
Men
Top quartile 11.0%
89.0%
Upper-middle 10.0%
90.0%
Lower-middle 11.0%
89.0%
Lower quartile 24.0%
76.0%
2019 Mean pay gap 9.0%

In this organisation, women earned 86p for every £1 that men earned when comparing median hourly pay.

Women made up 8.0% of the highest paid quarter and 19.0% of the lowest paid quarter.

Mean hourly pay gap 9.0%
Median hourly pay gap 14.2%
Men receiving bonus 94.0%
Women receiving bonus 97.0%
Mean bonus gap 19.2%
Median bonus gap 0.0%

Pay quartile breakdown

Women
Men
Top quartile 8.0%
92.0%
Upper-middle 8.0%
92.0%
Lower-middle 10.0%
90.0%
Lower quartile 19.0%
81.0%
2018 Mean pay gap 16.0%

In this organisation, women earned 88p for every £1 that men earned when comparing median hourly pay.

Women made up 7.0% of the highest paid quarter and 18.0% of the lowest paid quarter.

Mean hourly pay gap 16.0%
Median hourly pay gap 11.6%
Men receiving bonus 97.0%
Women receiving bonus 96.0%
Mean bonus gap 59.3%
Median bonus gap 0.0%

Pay quartile breakdown

Women
Men
Top quartile 7.0%
93.0%
Upper-middle 9.0%
91.0%
Lower-middle 9.0%
91.0%
Lower quartile 18.0%
82.0%
2017 Mean pay gap 21.9%

In this organisation, women earned 86p for every £1 that men earned when comparing median hourly pay.

Women made up 9.0% of the highest paid quarter and 21.0% of the lowest paid quarter.

Mean hourly pay gap 21.9%
Median hourly pay gap 14.2%
Men receiving bonus 94.7%
Women receiving bonus 88.7%
Mean bonus gap 51.9%
Median bonus gap 0.0%

Pay quartile breakdown

Women
Men
Top quartile 9.0%
91.0%
Upper-middle 6.0%
94.0%
Lower-middle 8.0%
92.0%
Lower quartile 21.0%
79.0%