WARTSILA UK LIMITED

WARTSILA UK LIMITED has submitted data every year since 2017, with all 8 submissions on time.

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

Last submission received on Wednesday, 18 Mar 2026 at 16:38 UTC.

Employer ID 13510
Company Number 01004816
Employer Size 250 to 499
Years Submitted
20172018202020212022202320242025

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 22.0%

In this organisation, women earned 70p for every £1 that men earned when comparing median hourly pay.

Women's median bonus pay was 17.0% lower than men's.

Women made up 20.0% of the highest paid quarter and 39.0% of the lowest paid quarter.

Mean hourly pay gap 22.0%
Median hourly pay gap 30.0%
Men receiving bonus 96.6%
Women receiving bonus 97.4%
Mean bonus gap 18.0%
Median bonus gap 17.0%

Pay quartile breakdown

Women
Men
Top quartile 20.0%
80.0%
Upper-middle 30.0%
70.0%
Lower-middle 23.0%
77.0%
Lower quartile 39.0%
61.0%
2024 Mean pay gap 24.0%

In this organisation, women earned 70p for every £1 that men earned when comparing median hourly pay.

Women's median bonus pay was 32.0% lower than men's.

Women made up 16.0% of the highest paid quarter and 51.0% of the lowest paid quarter.

Mean hourly pay gap 24.0%
Median hourly pay gap 30.0%
Men receiving bonus 94.0%
Women receiving bonus 99.0%
Mean bonus gap 24.0%
Median bonus gap 32.0%

Pay quartile breakdown

Women
Men
Top quartile 16.0%
84.0%
Upper-middle 20.0%
80.0%
Lower-middle 29.0%
71.0%
Lower quartile 51.0%
49.0%
2023 Mean pay gap 22.0%

In this organisation, women earned 73p for every £1 that men earned when comparing median hourly pay.

Women's median bonus pay was 24.0% lower than men's.

Women made up 18.0% of the highest paid quarter and 51.0% of the lowest paid quarter.

Mean hourly pay gap 22.0%
Median hourly pay gap 27.0%
Men receiving bonus 92.0%
Women receiving bonus 96.0%
Mean bonus gap 31.0%
Median bonus gap 24.0%

Pay quartile breakdown

Women
Men
Top quartile 18.0%
82.0%
Upper-middle 20.0%
80.0%
Lower-middle 27.0%
73.0%
Lower quartile 51.0%
49.0%
2022 Mean pay gap 21.0%

In this organisation, women earned 69p for every £1 that men earned when comparing median hourly pay.

Women's median bonus pay was 26.0% lower than men's.

Women made up 19.0% of the highest paid quarter and 54.0% of the lowest paid quarter.

Mean hourly pay gap 21.0%
Median hourly pay gap 31.0%
Men receiving bonus 94.0%
Women receiving bonus 88.0%
Mean bonus gap 38.0%
Median bonus gap 26.0%

Pay quartile breakdown

Women
Men
Top quartile 19.0%
81.0%
Upper-middle 20.0%
80.0%
Lower-middle 24.0%
76.0%
Lower quartile 54.0%
46.0%
2021 Mean pay gap 28.0%

In this organisation, women earned 69p for every £1 that men earned when comparing median hourly pay.

Women's median bonus pay was 30.0% lower than men's.

Women made up 18.0% of the highest paid quarter and 56.0% of the lowest paid quarter.

Mean hourly pay gap 28.0%
Median hourly pay gap 31.0%
Men receiving bonus 98.0%
Women receiving bonus 95.0%
Mean bonus gap 50.0%
Median bonus gap 30.0%

Pay quartile breakdown

Women
Men
Top quartile 18.0%
82.0%
Upper-middle 17.0%
83.0%
Lower-middle 27.0%
73.0%
Lower quartile 56.0%
44.0%
2020 Mean pay gap 21.0%

In this organisation, women earned 77p for every £1 that men earned when comparing median hourly pay.

Women's median bonus pay was 44.0% higher than men's.

Women made up 10.0% of the highest paid quarter and 34.0% of the lowest paid quarter.

Mean hourly pay gap 21.0%
Median hourly pay gap 23.0%
Men receiving bonus 23.0%
Women receiving bonus 11.0%
Mean bonus gap -11.0%
Median bonus gap -44.0%

Pay quartile breakdown

Women
Men
Top quartile 10.0%
90.0%
Upper-middle 23.0%
77.0%
Lower-middle 32.0%
68.0%
Lower quartile 34.0%
66.0%
2018 Mean pay gap 26.0%

In this organisation, women earned 79p for every £1 that men earned when comparing median hourly pay.

Women's median bonus pay was 31.0% lower than men's.

Women made up 12.0% of the highest paid quarter and 35.0% of the lowest paid quarter.

Mean hourly pay gap 26.0%
Median hourly pay gap 21.0%
Men receiving bonus 90.0%
Women receiving bonus 91.0%
Mean bonus gap 60.0%
Median bonus gap 31.0%

Pay quartile breakdown

Women
Men
Top quartile 12.0%
88.0%
Upper-middle 8.0%
92.0%
Lower-middle 26.0%
74.0%
Lower quartile 35.0%
65.0%
2017 Mean pay gap 31.1%

In this organisation, women earned 76p for every £1 that men earned when comparing median hourly pay.

Women's median bonus pay was 32.2% lower than men's.

Women made up 9.0% of the highest paid quarter and 40.0% of the lowest paid quarter.

Mean hourly pay gap 31.1%
Median hourly pay gap 24.1%
Men receiving bonus 95.9%
Women receiving bonus 88.2%
Mean bonus gap 54.9%
Median bonus gap 32.2%

Pay quartile breakdown

Women
Men
Top quartile 9.0%
91.0%
Upper-middle 11.0%
89.0%
Lower-middle 23.0%
77.0%
Lower quartile 40.0%
60.0%