ISIO GROUP LIMITED

ISIO GROUP LIMITED has submitted data every year since 2020, with all 6 submissions on time.

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

Last submission received on Wednesday, 30 Jul 2025 at 08:07 UTC.

Employer ID 19938
Company Number 12273083
Employer Size 1000 to 4999
Years Submitted
202020212022202320242025

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 24.5%

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

Women's median bonus pay was 51.0% lower than men's.

Women made up 30.0% of the highest paid quarter and 57.0% of the lowest paid quarter.

Mean hourly pay gap 24.5%
Median hourly pay gap 21.4%
Men receiving bonus 87.5%
Women receiving bonus 86.2%
Mean bonus gap 57.7%
Median bonus gap 51.0%

Pay quartile breakdown

Women
Men
Top quartile 30.0%
70.0%
Upper-middle 46.0%
54.0%
Lower-middle 51.0%
49.0%
Lower quartile 57.0%
43.0%
2024 Mean pay gap 29.0%

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

Women's median bonus pay was 36.6% lower than men's.

Women made up 29.0% of the highest paid quarter and 56.0% of the lowest paid quarter.

Mean hourly pay gap 29.0%
Median hourly pay gap 22.8%
Men receiving bonus 85.7%
Women receiving bonus 85.2%
Mean bonus gap 64.5%
Median bonus gap 36.6%

Pay quartile breakdown

Women
Men
Top quartile 29.0%
71.0%
Upper-middle 42.0%
58.0%
Lower-middle 52.0%
48.0%
Lower quartile 56.0%
44.0%
2023 Mean pay gap 28.7%

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

Women's median bonus pay was 50.3% lower than men's.

Women made up 26.0% of the highest paid quarter and 57.0% of the lowest paid quarter.

Mean hourly pay gap 28.7%
Median hourly pay gap 23.7%
Men receiving bonus 82.7%
Women receiving bonus 79.8%
Mean bonus gap 68.2%
Median bonus gap 50.3%

Pay quartile breakdown

Women
Men
Top quartile 26.0%
74.0%
Upper-middle 44.0%
56.0%
Lower-middle 52.0%
48.0%
Lower quartile 57.0%
43.0%
2022 Mean pay gap 32.8%

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

Women's median bonus pay was 37.6% lower than men's.

Women made up 24.9% of the highest paid quarter and 52.9% of the lowest paid quarter.

Mean hourly pay gap 32.8%
Median hourly pay gap 26.1%
Men receiving bonus 84.3%
Women receiving bonus 86.4%
Mean bonus gap 62.2%
Median bonus gap 37.6%

Pay quartile breakdown

Women
Men
Top quartile 24.9%
75.2%
Upper-middle 40.6%
59.4%
Lower-middle 52.9%
47.1%
Lower quartile 52.9%
47.1%
2021 Mean pay gap 30.9%

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

Women's median bonus pay was 56.5% lower than men's.

Women made up 27.2% of the highest paid quarter and 54.7% of the lowest paid quarter.

Mean hourly pay gap 30.9%
Median hourly pay gap 18.7%
Men receiving bonus 80.0%
Women receiving bonus 80.5%
Mean bonus gap 61.5%
Median bonus gap 56.5%

Pay quartile breakdown

Women
Men
Top quartile 27.2%
72.8%
Upper-middle 44.1%
55.9%
Lower-middle 41.9%
58.1%
Lower quartile 54.7%
45.3%
2020 Mean pay gap 33.7%

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

Women's median bonus pay was 30.3% lower than men's.

Women made up 25.0% of the highest paid quarter and 56.0% of the lowest paid quarter.

Mean hourly pay gap 33.7%
Median hourly pay gap 29.8%
Men receiving bonus 74.8%
Women receiving bonus 75.9%
Mean bonus gap 35.9%
Median bonus gap 30.3%

Pay quartile breakdown

Women
Men
Top quartile 25.0%
75.0%
Upper-middle 37.6%
62.4%
Lower-middle 44.8%
55.2%
Lower quartile 56.0%
44.0%