How many employees work at Institution Occupational?

The Institution of Occupational & Safety Health has 560 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 6.3%.

Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025

About Institution Occupational

Our Branch Objectives are • To promote high standards of health, safety and wellbeing for people at work and people affected by work activities. • To provide a support to IOSH members, in their professional development. • To increase the number of members participating in branch activities. • To contribute towards the professional development of branch members through our mentoring programme • To encourage people to attend our branch meetings. • To encourage people to enter the profession of occupational safety and health. • To establish relationships with other local IOSH branches. • To promote and encourage the benefits of IOSH membership and the development of the profession. • To provide a facility for branch members to have both professional and social interaction. • To provide a regular programme of events relevant to the professional interests of branch members. • To ensure branch events are properly planned, managed and evaluated. • To provide resources from branch events (including PowerPoint Pretentions, etc.).

As of December 2025

Institution Occupational
workforce metrics

Headcount

560

Avg. Salary

$52k

Tenure

4.6yr

Growth Rate

6.3%

Hiring Rate

Attrition Rate

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Employee Headcount

Interactive chart of Institution Occupational annual worldwide employee count from 2023 to 2025.

  • Institution Occupational total number of employees in 2025 was 559, a 6.3% increase from 2024.
  • Institution Occupational total number of employees in 2024 was 525, a 6.3% increase from 2023.
  • Institution Occupational total number of employees in 2023 was 493, a 6.7% increase from 2022.

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Employee Geographic Breakdown

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Employee Role Breakdown

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Employee Compensation

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Active Job Postings

Interactive chart of Institution Occupational annual active job postings from 2023 to 2025.

  • Institution Occupational active job postings in 2025 was 9, a 43.5% decline from 2024.
  • Institution Occupational active job postings in 2024 was 14, a 7.4% increase from 2023.
  • Institution Occupational active job postings in 2023 was 13, a 7.4% decline from 2022.

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Employee Sentiment

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