ASSYSTEM ENERGY & INFRASTRUCTURE LIMITED

ASSYSTEM ENERGY & INFRASTRUCTURE LIMITED has submitted data every year since 2021, with all 5 submissions on time.

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

Last submission received on Wednesday, 1 Apr 2026 at 14:18 UTC.

Employer ID 21230
Company Number 03148098
Employer Size 500 to 999
Years Submitted
20212022202320242025

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 14.4%

In this organisation, women earned 84p for every £1 that men earned when comparing median hourly pay.

Women's median bonus pay was 48.3% lower than men's.

Women made up 20.8% of the highest paid quarter and 39.6% of the lowest paid quarter.

Mean hourly pay gap 14.4%
Median hourly pay gap 16.4%
Men receiving bonus 21.3%
Women receiving bonus 25.5%
Mean bonus gap 51.8%
Median bonus gap 48.3%

Pay quartile breakdown

Women
Men
Top quartile 20.8%
79.2%
Upper-middle 24.0%
76.0%
Lower-middle 28.1%
71.9%
Lower quartile 39.6%
60.4%
2024 Mean pay gap 18.4%

In this organisation, women earned 81p for every £1 that men earned when comparing median hourly pay.

Women's median bonus pay was 42.2% lower than men's.

Women made up 19.4% of the highest paid quarter and 47.4% of the lowest paid quarter.

Mean hourly pay gap 18.4%
Median hourly pay gap 18.6%
Men receiving bonus 24.4%
Women receiving bonus 20.4%
Mean bonus gap 29.7%
Median bonus gap 42.2%

Pay quartile breakdown

Women
Men
Top quartile 19.4%
80.6%
Upper-middle 26.0%
74.0%
Lower-middle 29.4%
70.6%
Lower quartile 47.4%
52.6%
2023 Mean pay gap 26.3%

In this organisation, women earned 71p for every £1 that men earned when comparing median hourly pay.

Women's median bonus pay was 3.8% lower than men's.

Women made up 15.0% of the highest paid quarter and 54.0% of the lowest paid quarter.

Mean hourly pay gap 26.3%
Median hourly pay gap 28.9%
Men receiving bonus 17.7%
Women receiving bonus 12.9%
Mean bonus gap 26.4%
Median bonus gap 3.8%

Pay quartile breakdown

Women
Men
Top quartile 15.0%
85.0%
Upper-middle 21.0%
79.0%
Lower-middle 34.0%
66.0%
Lower quartile 54.0%
46.0%
2022 Mean pay gap 31.6%

In this organisation, women earned 74p for every £1 that men earned when comparing median hourly pay.

Women's median bonus pay was 36.8% lower than men's.

Women made up 14.0% of the highest paid quarter and 55.0% of the lowest paid quarter.

Mean hourly pay gap 31.6%
Median hourly pay gap 26.3%
Men receiving bonus 13.5%
Women receiving bonus 11.7%
Mean bonus gap 58.0%
Median bonus gap 36.8%

Pay quartile breakdown

Women
Men
Top quartile 14.0%
86.0%
Upper-middle 14.0%
86.0%
Lower-middle 27.0%
73.0%
Lower quartile 55.0%
45.0%
2021 Mean pay gap 35.4%

In this organisation, women earned 65p for every £1 that men earned when comparing median hourly pay.

Women's median bonus pay was 46.6% lower than men's.

Women made up 8.0% of the highest paid quarter and 49.0% of the lowest paid quarter.

Mean hourly pay gap 35.4%
Median hourly pay gap 35.0%
Men receiving bonus 12.6%
Women receiving bonus 7.7%
Mean bonus gap 10.1%
Median bonus gap 46.6%

Pay quartile breakdown

Women
Men
Top quartile 8.0%
92.0%
Upper-middle 4.0%
96.0%
Lower-middle 23.0%
77.0%
Lower quartile 49.0%
51.0%