How many employees work at iO Belgium?

iO Belgium NV has approximately 2,632 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. iO Belgium's total headcount has declined 1.3% from 2,667 employees in 2023 to 2,632 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published July 2026

iO Belgium is hiring

Is iO Belgium hiring right now?

Yes, iO Belgium is actively hiring. iO Belgium had 82 active job postings in 2026, a 44.8% increase from 2025 see job openings & hiring trends.

About iO Belgium's Workforce

iO Belgium NV is a Marketing and Advertising Services company that employs 2,632 people worldwide as of March 2026. It is the 7th-largest by headcount among its peers. Founded in 2003, the company is headquartered in Herentals, Belgium.

iO Belgium's workforce declined 1.3% from 2023 to 2026, though it is up 7.9% year over year in 2026. It fell to a low of 2,432 in 2024 Q4 before recovering. Its workforce is concentrated most in Italy (26.8%), followed by the Netherlands (21.4%) and Belgium (17.2%), with the Netherlands, its fastest-growing location, up 12.8%.

iO Belgium's largest functional groups are Finance and Operations (42.7%), Engineering (33.9%), and Sales and Marketing (23.4%), with Finance and Operations growing fastest (up 6.5%). Median tenure is 2.9 years, and the average salary is $52,364, with regional medians of $71,000 in Northern America and $25,000 in Southern America.

iO Belgium's active job postings rose 44.8% in 2026 to 82, with new postings per month slowing from 73 in 2023 to 31 in 2026. Overall employee sentiment is neutral but improving.

Sourced from Revelio Labs workforce data.

As of March 2026

iO Belgium
workforce metrics

Headcount

2.6k

7.9% YoY

Avg. Salary

$52.4k

0.0% YoY

Tenure

2.9yr

0.5yr YoY

Growth Rate

7.9%

11.8pts YoY

Hiring Rate

Attrition Rate

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Interactive chart of iO Belgium annual worldwide employee count from 2023 to 2026.
  • iO Belgium had 2,632 employees in 2026, a 7.9% increase (+199) from 2025.
  • iO Belgium had 2,579 employees in 2025, a 5.8% increase (+147) from 2024.
  • iO Belgium had 2,432 employees in 2024, a 4.8% decline (-121) from 2023.
  • iO Belgium had 2,553 employees in 2023, a 6.5% decline (-170) from 2022.

iO Belgium's total workforce has grown from 2,432 employees in 2024 to 2,632 in 2026. iO Belgium's headcount peaked at 2,667 in 2023 before declining in 2024 and recovering through 2025 and 2026.

iO Belgium NV — quarterly employee count (20232026)

YearQtrEmployeesYoY ChangeYoY %
2026Q12,632+199+7.9%
2025Q42,579+147+5.8%
2025Q32,529+73+2.9%
2025Q22,448-41-1.6%
2025Q12,433-98-4.0%
2024Q42,432-121-4.8%
2024Q32,456-166-6.5%
2024Q22,489-178-6.9%
2024Q12,531-183-7.0%
2023Q42,553-170-6.5%
2023Q32,622-117-4.4%
2023Q22,667-52-1.9%

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Italy accounts for the largest share of iO Belgium's global workforce with approximately 27% of total employees, followed by the Netherlands and Belgium. iO Belgium's headcount in the Netherlands is growing fastest among its major locations, up 12.8% year over year in 2026.

iO Belgium employees by country — 2026

CountryEmployees% of TotalYoY %
Italy70326.8%+0.2%
Netherlands56221.4%+12.8%
Belgium45117.2%+11.4%
Sweden1294.9%+9.7%
United States1174.5%+1.5%
Spain923.5%+0.0%
Bulgaria863.3%+5.8%
India742.8%+0.0%
Mexico682.6%+1.0%
Argentina361.4%+0.0%

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iO Belgium's largest employee groups are Finance and Operations (42.7%), Engineering (33.9%), and Sales and Marketing (23.4%).

iO Belgium employees by department — 2026

DepartmentEmployees% of TotalYoY %
Finance and Operations1,00142.7%+6.5%
Engineering79533.9%+5.9%
Sales and Marketing54823.4%+6.4%

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iO Belgium's average employee salary is $52,364 globally. Employees in Northern America receive the highest compensation, with median pay approximately 1.4x the global average. Pay is lowest in Southern America, at a median of $25,000.

iO Belgium median employee salary by region — 2026 (USD)

RegionMedian Salary
Northern America$71,000
Western Europe$64,000
Northern Europe$63,000
Pacific Islands$63,000
Eastern Asia$37,000
Southern Europe$34,000
Southern America$25,000
Eastern Europe$25,000
Arab States$25,000
Central America and the Caribbean$18,000
Central and Western Asia$16,000
Northern Africa$14,000
Sub-Saharan Africa$12,000
South-Eastern Asia$11,000
Southern Asia$8,000

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Interactive chart of iO Belgium annual active job postings from 2023 to 2026.
  • iO Belgium had 82 active job postings in 2026, a 44.8% increase (+19) from 2025.
  • iO Belgium had 63 active job postings in 2025, a 11.9% decline (-8) from 2024.
  • iO Belgium had 71 active job postings in 2024, a 51.3% increase (+29) from 2023.
  • iO Belgium had 42 active job postings in 2023, a 118.4% decline from 2022.
  • Hiring velocity in 2026: 31 new roles/month, down from 37 in 2025 and 73 in 2024. New metric

iO Belgium's active job postings rose 44.8% in 2026 to 82, with new postings per month cooling from 73 in 2023 to 31 in 2026.

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Revelio Labs tracks employee sentiment across iO Belgium's workforce based on public professional data. Overall sentiment is neutral and has improved year over year in 2026.

Overall

NegativePositive

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How fast is iO Belgium growing?
In 2026, iO Belgium's headcount grew 7.9% to 2,632 employees, up from 2,433 in 2025.
Where are iO Belgium employees located?
Most iO Belgium employees are based in Italy (26.8% of headcount), followed by the Netherlands and Belgium.
What is the average salary at iO Belgium?
The average employee salary at iO Belgium is approximately $52.4k per year.
How many people does iO Belgium hire per year?
In 2026, iO Belgium opened roughly 372 new roles — about 31 per month.
When was iO Belgium founded and where is it headquartered?
iO Belgium was founded in 2003 and is headquartered in Herentals, Belgium.

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