NIAB.
NIAB. 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, 11 Mar 2026 at 13:51 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 10.6%
Submitted on Wednesday, 11 Mar 2026 at 13:51 UTC.
In this organisation, women earned 96p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 20.0% higher than men's.
Women made up 40.0% of the highest paid quarter and 46.0% of the lowest paid quarter.
Pay quartile breakdown
2024 Mean pay gap 11.0%
Submitted on Thursday, 27 Mar 2025 at 10:27 UTC.
In this organisation, women earned 91p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 33.3% higher than men's.
Women made up 38.3% of the highest paid quarter and 48.1% of the lowest paid quarter.
Pay quartile breakdown
2023 Mean pay gap 7.2%
Submitted on Friday, 19 Jan 2024 at 09:05 UTC.
In this organisation, women earned 93p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 33.3% lower than men's.
Women made up 45.0% of the highest paid quarter and 41.5% of the lowest paid quarter.
Pay quartile breakdown
2022 Mean pay gap 9.8%
Submitted on Wednesday, 8 Feb 2023 at 09:02 UTC.
In this organisation, women earned 90p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 50.0% lower than men's.
Women made up 55.0% of the highest paid quarter and 41.5% of the lowest paid quarter.
Pay quartile breakdown
2021 Mean pay gap 8.9%
Submitted on Wednesday, 9 Mar 2022 at 09:41 UTC.
In this organisation, women earned 96p for every £1 that men earned when comparing median hourly pay.
Women made up 50.6% of the highest paid quarter and 42.3% of the lowest paid quarter.
Pay quartile breakdown
2020 Mean pay gap 6.9%
Submitted on Wednesday, 14 Apr 2021 at 07:08 UTC.
In this organisation, women earned 97p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 60.0% higher than men's.
Women made up 44.8% of the highest paid quarter and 47.7% of the lowest paid quarter.
Pay quartile breakdown
2018 Mean pay gap 0.1%
Submitted on Thursday, 4 Apr 2019 at 10:24 UTC.
In this organisation, women earned 98p for every £1 that men earned when comparing median hourly pay.
Women made up 50.8% of the highest paid quarter and 50.8% of the lowest paid quarter.
Pay quartile breakdown
2017 Mean pay gap 7.5%
Submitted on Tuesday, 19 Dec 2017 at 12:37 UTC.
In this organisation, women earned 99p for every £1 that men earned when comparing median hourly pay.
Women made up 44.0% of the highest paid quarter and 53.0% of the lowest paid quarter.
Pay quartile breakdown