GMB
GMB 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 Wednesday, 4 Feb 2026 at 18:39 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 17.7%
Submitted on Wednesday, 4 Feb 2026 at 18:39 UTC.
In this organisation, women earned 75p for every £1 that men earned when comparing median hourly pay.
Women made up 42.2% of the highest paid quarter and 80.3% of the lowest paid quarter.
Pay quartile breakdown
2024 Mean pay gap 19.1%
Submitted on Tuesday, 25 Mar 2025 at 14:20 UTC.
In this organisation, women earned 73p for every £1 that men earned when comparing median hourly pay.
Women made up 42.7% of the highest paid quarter and 80.3% of the lowest paid quarter.
Pay quartile breakdown
2023 Mean pay gap 20.4%
Submitted on Thursday, 14 Mar 2024 at 14:55 UTC.
In this organisation, women earned 72p for every £1 that men earned when comparing median hourly pay.
Women made up 42.7% of the highest paid quarter and 83.8% of the lowest paid quarter.
Pay quartile breakdown
2022 Mean pay gap 21.2%
Submitted on Tuesday, 21 Mar 2023 at 16:42 UTC.
In this organisation, women earned 72p for every £1 that men earned when comparing median hourly pay.
Women made up 40.4% of the highest paid quarter and 85.2% of the lowest paid quarter.
Pay quartile breakdown
2021 Mean pay gap 23.2%
Submitted on Monday, 4 Apr 2022 at 15:39 UTC.
In this organisation, women earned 70p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 14.7% lower than men's.
Women made up 39.2% of the highest paid quarter and 84.6% of the lowest paid quarter.
Pay quartile breakdown
2020 Mean pay gap 23.8%
Submitted on Monday, 26 Apr 2021 at 16:50 UTC.
In this organisation, women earned 70p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 14.9% lower than men's.
Women made up 36.2% of the highest paid quarter and 83.1% of the lowest paid quarter.
Pay quartile breakdown
2019 Mean pay gap 25.1%
Submitted on Friday, 3 Apr 2020 at 18:57 UTC.
In this organisation, women earned 70p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 9.3% lower than men's.
Women made up 37.4% of the highest paid quarter and 87.8% of the lowest paid quarter.
Pay quartile breakdown
2018 Mean pay gap 25.9%
Submitted on Thursday, 28 Mar 2019 at 14:32 UTC.
In this organisation, women earned 69p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 6.2% lower than men's.
Women made up 32.0% of the highest paid quarter and 87.2% of the lowest paid quarter.
Pay quartile breakdown
2017 Mean pay gap 25.5%
Submitted on Thursday, 29 Mar 2018 at 14:11 UTC.
In this organisation, women earned 68p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 9.3% lower than men's.
Women made up 33.1% of the highest paid quarter and 84.2% of the lowest paid quarter.
Pay quartile breakdown