SP TRANSMISSION PLC
SP TRANSMISSION PLC has submitted data every year since 2018, with all 8 submissions on time.
This company has been viewed 0 times in the last 30 days.
Last submission received on Monday, 9 Mar 2026 at 13:30 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 12.3%
Submitted on Monday, 9 Mar 2026 at 13:30 UTC.
In this organisation, women earned 89p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 16.3% lower than men's.
Women made up 14.0% of the highest paid quarter and 33.0% of the lowest paid quarter.
Pay quartile breakdown
2024 Mean pay gap 14.8%
Submitted on Monday, 10 Mar 2025 at 16:21 UTC.
In this organisation, women earned 84p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 18.2% lower than men's.
Women made up 12.0% of the highest paid quarter and 40.0% of the lowest paid quarter.
Pay quartile breakdown
2023 Mean pay gap 14.8%
Submitted on Thursday, 7 Mar 2024 at 16:52 UTC.
In this organisation, women earned 87p 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 11.0% of the highest paid quarter and 33.0% of the lowest paid quarter.
Pay quartile breakdown
2022 Mean pay gap 16.5%
Submitted on Wednesday, 8 Mar 2023 at 15:54 UTC.
In this organisation, women earned 87p for every £1 that men earned when comparing median hourly pay.
Women made up 6.0% of the highest paid quarter and 30.0% of the lowest paid quarter.
Pay quartile breakdown
2021 Mean pay gap 16.3%
Submitted on Tuesday, 8 Mar 2022 at 16:02 UTC.
In this organisation, women earned 87p for every £1 that men earned when comparing median hourly pay.
Women made up 3.0% of the highest paid quarter and 28.0% of the lowest paid quarter.
Pay quartile breakdown
2020 Mean pay gap 20.5%
Submitted on Tuesday, 9 Mar 2021 at 09:59 UTC.
In this organisation, women earned 81p for every £1 that men earned when comparing median hourly pay.
Women made up 5.0% of the highest paid quarter and 25.0% of the lowest paid quarter.
Pay quartile breakdown
2019 Mean pay gap 16.8%
Submitted on Thursday, 9 Apr 2020 at 14:55 UTC.
In this organisation, women earned 82p for every £1 that men earned when comparing median hourly pay.
Women made up 4.0% of the highest paid quarter and 20.0% of the lowest paid quarter.
Pay quartile breakdown
2018 Mean pay gap 20.1%
Submitted on Wednesday, 20 Mar 2019 at 15:59 UTC.
In this organisation, women earned 81p for every £1 that men earned when comparing median hourly pay.
Women made up 6.0% of the highest paid quarter and 28.0% of the lowest paid quarter.
Pay quartile breakdown