How many employees work at GMB?
GMB (United Kingdom) has 1,393 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -0.6%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
About GMB
GMB is a trade union that represents all workers. We have over 620,000 members who work in every type of job imaginable across public services and in private companies too. Our members work in full-time jobs, part-time jobs or are working while they study. GMB’s job is very simple: to get the best deal possible for you. The means being on your side if there is a problem, and always fighting for better when it comes to: - Pay, terms and conditions - A decent work life where workers are safe and treated with dignity - Better work/life balance - Fairness – making sure working people have their rights at work and are treated fairly and legally when there’s a problem. When you’re at work, it’s always good to know that someone is on your side - that’s our job.
As of September 2025
GMB
workforce metrics
Headcount
1.4k
Avg. Salary
$34k
Tenure
6.2yr
Growth Rate
-0.6%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of GMB annual worldwide employee count from 2023 to 2025.
- GMB total number of employees in 2025 was 1,391.343, a 0.6% decline from 2024.
- GMB total number of employees in 2024 was 1,393.227, a 0.1% decline from 2023.
- GMB total number of employees in 2023 was 1,389.263, a 2.8% increase from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of GMB annual active job postings from 2023 to 2025.
- GMB active job postings in 2025 was 8, a 100.0% decline from 2024.
- GMB active job postings in 2024 was 46, a 134.5% increase from 2023.
- GMB active job postings in 2023 was 9, a 127.3% increase from 2022.
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Employee Sentiment
Sentiment Topics
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