UNISON
UNISON 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 Thursday, 2 Apr 2026 at 08:38 UTC.
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 5.8%
Submitted on Thursday, 2 Apr 2026 at 08:38 UTC.
In this organisation, women earned 93p for every £1 that men earned when comparing median hourly pay.
Women made up 52.0% of the highest paid quarter and 69.0% of the lowest paid quarter.
Pay quartile breakdown
2024 Mean pay gap 5.9%
Submitted on Monday, 31 Mar 2025 at 09:20 UTC.
In this organisation, women earned 91p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 14.0% lower than men's.
Women made up 52.0% of the highest paid quarter and 71.0% of the lowest paid quarter.
Pay quartile breakdown
2023 Mean pay gap 7.1%
Submitted on Thursday, 28 Mar 2024 at 20:56 UTC.
In this organisation, women earned 90p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 57.4% lower than men's.
Women made up 53.0% of the highest paid quarter and 75.0% of the lowest paid quarter.
Pay quartile breakdown
2022 Mean pay gap 8.6%
Submitted on Tuesday, 4 Apr 2023 at 10:37 UTC.
In this organisation, women earned 85p for every £1 that men earned when comparing median hourly pay.
Women made up 51.5% of the highest paid quarter and 76.0% of the lowest paid quarter.
Pay quartile breakdown
2021 Mean pay gap 9.9%
Submitted on Thursday, 31 Mar 2022 at 15:12 UTC.
In this organisation, women earned 85p for every £1 that men earned when comparing median hourly pay.
Women made up 51.5% of the highest paid quarter and 74.7% of the lowest paid quarter.
Pay quartile breakdown
2020 Mean pay gap 10.3%
Submitted on Tuesday, 28 Sept 2021 at 14:15 UTC.
In this organisation, women earned 85p for every £1 that men earned when comparing median hourly pay.
Women made up 50.7% of the highest paid quarter and 76.9% of the lowest paid quarter.
Pay quartile breakdown
2018 Mean pay gap 10.7%
Submitted on Wednesday, 27 Mar 2019 at 09:34 UTC.
In this organisation, women earned 85p for every £1 that men earned when comparing median hourly pay.
Women made up 49.6% of the highest paid quarter and 73.0% of the lowest paid quarter.
Pay quartile breakdown
2017 Mean pay gap 10.4%
Submitted on Wednesday, 28 Mar 2018 at 11:40 UTC.
In this organisation, women earned 84p for every £1 that men earned when comparing median hourly pay.
Women made up 49.7% of the highest paid quarter and 74.0% of the lowest paid quarter.
Pay quartile breakdown