ALS LABORATORIES (UK) LIMITED

ALS LABORATORIES (UK) LIMITED has submitted data every year since 2017. 3 of 9 submissions were filed after the deadline.

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

Last submission received on Thursday, 2 Apr 2026 at 17:06 UTC.

Employer ID 4453
Company Number 02391955
Employer Size 1000 to 4999
Years Submitted
201720182019202020212022202320242025

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 2.0%

In this organisation, women and men earned the same median hourly pay.

Women's median bonus pay was 21.0% lower than men's.

Women made up 52.7% of the highest paid quarter and 50.3% of the lowest paid quarter.

Mean hourly pay gap 2.0%
Median hourly pay gap 0.0%
Men receiving bonus 5.6%
Women receiving bonus 6.0%
Mean bonus gap 48.0%
Median bonus gap 21.0%

Pay quartile breakdown

Women
Men
Top quartile 52.7%
47.3%
Upper-middle 52.5%
47.5%
Lower-middle 50.1%
49.9%
Lower quartile 50.3%
49.7%
2024 Mean pay gap 2.0%

In this organisation, women earned £1.02 for every £1 that men earned when comparing median hourly pay.

Women made up 50.7% of the highest paid quarter and 44.1% of the lowest paid quarter.

Mean hourly pay gap 2.0%
Median hourly pay gap -2.1%
Men receiving bonus 24.2%
Women receiving bonus 20.3%
Mean bonus gap 22.4%
Median bonus gap 0.0%

Pay quartile breakdown

Women
Men
Top quartile 50.7%
49.3%
Upper-middle 51.5%
48.5%
Lower-middle 49.7%
50.3%
Lower quartile 44.1%
55.9%
2023 Mean pay gap 0.7% Late submission

In this organisation, women earned £1.04 for every £1 that men earned when comparing median hourly pay.

Women's median bonus pay was 400.0% higher than men's.

Women made up 55.1% of the highest paid quarter and 42.2% of the lowest paid quarter.

Mean hourly pay gap 0.7%
Median hourly pay gap -4.4%
Men receiving bonus 13.3%
Women receiving bonus 12.5%
Mean bonus gap 49.7%
Median bonus gap -400.0%

Pay quartile breakdown

Women
Men
Top quartile 55.1%
44.9%
Upper-middle 54.3%
45.7%
Lower-middle 42.5%
57.5%
Lower quartile 42.2%
57.8%
2022 Mean pay gap 2.0%

In this organisation, women earned £1.02 for every £1 that men earned when comparing median hourly pay.

Women made up 58.4% of the highest paid quarter and 45.8% of the lowest paid quarter.

Mean hourly pay gap 2.0%
Median hourly pay gap -1.8%
Men receiving bonus 22.5%
Women receiving bonus 26.1%
Mean bonus gap -69.8%
Median bonus gap 0.0%

Pay quartile breakdown

Women
Men
Top quartile 58.4%
41.6%
Upper-middle 52.6%
47.4%
Lower-middle 45.8%
54.2%
Lower quartile 45.8%
54.2%
2021 Mean pay gap 1.0% Late submission

In this organisation, women earned £1.03 for every £1 that men earned when comparing median hourly pay.

Women made up 60.0% of the highest paid quarter and 44.0% of the lowest paid quarter.

Mean hourly pay gap 1.0%
Median hourly pay gap -3.2%
Men receiving bonus 15.5%
Women receiving bonus 13.5%
Mean bonus gap 9.4%
Median bonus gap 0.0%

Pay quartile breakdown

Women
Men
Top quartile 60.0%
40.0%
Upper-middle 54.0%
46.0%
Lower-middle 46.0%
54.0%
Lower quartile 44.0%
56.0%
2020 Mean pay gap -1.7% Late submission

In this organisation, women earned £1.07 for every £1 that men earned when comparing median hourly pay.

Women's median bonus pay was 42.9% lower than men's.

Women made up 56.5% of the highest paid quarter and 34.5% of the lowest paid quarter.

Mean hourly pay gap -1.7%
Median hourly pay gap -7.2%
Men receiving bonus 22.3%
Women receiving bonus 32.6%
Mean bonus gap 24.2%
Median bonus gap 42.9%

Pay quartile breakdown

Women
Men
Top quartile 56.5%
43.5%
Upper-middle 60.0%
40.0%
Lower-middle 42.2%
57.8%
Lower quartile 34.5%
65.5%
2019 Mean pay gap -1.7%

In this organisation, women earned £1.07 for every £1 that men earned when comparing median hourly pay.

Women's median bonus pay was 42.9% lower than men's.

Women made up 56.5% of the highest paid quarter and 34.5% of the lowest paid quarter.

Mean hourly pay gap -1.7%
Median hourly pay gap -7.2%
Men receiving bonus 22.3%
Women receiving bonus 32.6%
Mean bonus gap 24.2%
Median bonus gap 42.9%

Pay quartile breakdown

Women
Men
Top quartile 56.5%
43.5%
Upper-middle 60.0%
40.0%
Lower-middle 42.2%
57.8%
Lower quartile 34.5%
65.5%
2018 Mean pay gap -0.6%

In this organisation, women earned £1.06 for every £1 that men earned when comparing median hourly pay.

Women's median bonus pay was 86.7% lower than men's.

Women made up 56.4% of the highest paid quarter and 32.5% of the lowest paid quarter.

Mean hourly pay gap -0.6%
Median hourly pay gap -5.9%
Men receiving bonus 10.9%
Women receiving bonus 11.2%
Mean bonus gap 53.4%
Median bonus gap 86.7%

Pay quartile breakdown

Women
Men
Top quartile 56.4%
43.6%
Upper-middle 60.9%
39.1%
Lower-middle 52.0%
48.0%
Lower quartile 32.5%
67.5%
2017 Mean pay gap 5.0%

In this organisation, women earned £1.04 for every £1 that men earned when comparing median hourly pay.

Women made up 55.9% of the highest paid quarter and 38.7% of the lowest paid quarter.

Mean hourly pay gap 5.0%
Median hourly pay gap -4.3%
Men receiving bonus 16.2%
Women receiving bonus 21.2%
Mean bonus gap 59.7%
Median bonus gap 0.0%

Pay quartile breakdown

Women
Men
Top quartile 55.9%
44.1%
Upper-middle 60.4%
39.6%
Lower-middle 57.0%
43.0%
Lower quartile 38.7%
61.3%