How many employees work at Siers Groep Oldenzaal?

Siers Groep Oldenzaal BV has approximately 877 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Siers Groep Oldenzaal’s total headcount has grown 23.0% from 713 employees in 2023 to 877 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 20232026Published August 2026

Is Siers Groep Oldenzaal hiring right now?

Yes, Siers Groep Oldenzaal is actively hiring. Siers Groep Oldenzaal had 70 active job postings in 2026, a 82.8% increase from 2025 see job openings & hiring trends.

About Siers Groep Oldenzaal’s Workforce

Siers Groep Oldenzaal BV is an Engineering and Construction Services company that employs 877 people worldwide as of March 2026. It is the 10th-largest by headcount among its peers. Founded in 1964, the company is headquartered in Oldenzaal, Netherlands.

Siers Groep Oldenzaal's workforce has grown 23.0% from 2023 to 2026, up 2.4% year over year in 2026. It fell to a low of 710 in 2023 Q3 before recovering. Its workforce is concentrated most in Western Europe (99.6%), followed by North America (0.2%) and Central America and the Caribbean (0.2%).

Siers Groep Oldenzaal's functional groups are Finance and Operations (52.7%), Engineering (25.7%), and Sales and Marketing (21.5%), with Finance and Operations growing fastest (up 8.7%). The average salary is $53,024, highest in Western Europe at a median of $49,000, up 1.1% year over year in 2026.

Siers Groep Oldenzaal's active job postings rose 82.8% in 2026 to 70, with new postings per month climbing from 17 in 2023 to 28 in 2026. Overall employee sentiment is positive and broadly stable.

Sourced from Revelio Labs workforce data.

Headquarters
Oldenzaal, Netherlands
Founded
1964
Industry
Engineering and Construction Services
Employees
877
YoY
+2.4% (+96)

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Siers Groep Oldenzaal Annual Employee Count (2023-2026)

Interactive chart of Siers Groep Oldenzaal annual worldwide employee count from 2023 to 2026.
  • Siers Groep Oldenzaal had 877 employees in 2026, a 2.4% increase (+96) from 2025.
  • Siers Groep Oldenzaal had 884 employees in 2025, a 3.3% increase (+144) from 2024.
  • Siers Groep Oldenzaal had 740 employees in 2024, a 2.9% increase (+30) from 2023.
  • Siers Groep Oldenzaal had 710 employees in 2023, a 0.2% decline (-13) from 2022.

Siers Groep Oldenzaal's total workforce has grown from 713 employees in 2023 to 877 in 2026.

Siers Groep Oldenzaal BV quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q1877+96+2.4%
2025Q4884+144+3.3%
2025Q3876+130+3.6%
2025Q2823+104+3.0%
2025Q1781+57+2.5%
2024Q4740+30+2.9%
2024Q3746+36+2.4%
2024Q2719+6+1.7%
2024Q1724+4+1.6%
2023Q4710-13-0.2%
2023Q3710-14-0.8%
2023Q2713-6+0.1%

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Siers Groep Oldenzaal Employee Count by Region (2026)

Western Europe accounts for the largest share of Siers Groep Oldenzaal's global workforce with approximately 100% of total employees, followed by North America and Central America and the Caribbean.

Siers Groep Oldenzaal employees by region

RegionEmployees% of Total
Western Europe86899.6%
North America20.2%
Central America and the Caribbean20.2%

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Siers Groep Oldenzaal Employee Count by Department (2026)

Siers Groep Oldenzaal's employee groups are Finance and Operations (52.7%), Engineering (25.7%), and Sales and Marketing (21.5%).

Siers Groep Oldenzaal employees by department

DepartmentEmployees% of Total
Finance and Operations46052.7%
Engineering22525.7%
Sales and Marketing18821.5%

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Siers Groep Oldenzaal Employee Salary by Region (2026)

Siers Groep Oldenzaal's average employee salary is $53,024 globally. Employees in Western Europe receive the highest compensation.

Siers Groep Oldenzaal median employee salary by region (USD)

RegionMedian Salary
Western Europe$49,000

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Siers Groep Oldenzaal Job Openings and Hiring Trends (2023-2026)

Interactive chart of Siers Groep Oldenzaal annual active job postings from 2023 to 2026.
  • Siers Groep Oldenzaal had 70 active job postings in 2026, a 82.8% increase (+2) from 2025.
  • Siers Groep Oldenzaal had 68 active job postings in 2025, a 157.9% increase (+60) from 2024.
  • Siers Groep Oldenzaal had 8 active job postings in 2024, a 89.7% decline (-13) from 2023.
  • Siers Groep Oldenzaal had 21 active job postings in 2023, a 181.8% increase from 2022.
  • Hiring velocity in 2026: 28 new roles/month, down from 36 in 2025 and 17 in 2024.

Siers Groep Oldenzaal's hiring is accelerating: active job postings rose 82.8% in 2026 to 70, with new postings per month climbing from 17 in 2023 to 28 in 2026.

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Siers Groep Oldenzaal Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across Siers Groep Oldenzaal's workforce based on public professional data. Overall sentiment is positive and has held steady year over year in 2026.

Overall

NegativePositive

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Frequently Asked Questions About Siers Groep Oldenzaal

How fast is Siers Groep Oldenzaal growing?
In 2026, Siers Groep Oldenzaal's headcount grew 2.4% to 877 employees, up from 781 in 2025.
See the full headcount history
Where are Siers Groep Oldenzaal employees located?
Most Siers Groep Oldenzaal employees are based in Western Europe (99.6% of headcount), followed by North America and Central America and the Caribbean.
Explore where the workforce is based
What is the average salary at Siers Groep Oldenzaal?
The average employee salary at Siers Groep Oldenzaal is approximately $53k per year.
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How many new job postings does Siers Groep Oldenzaal open per year?
In Q1 2026, Siers Groep Oldenzaal opened 84 new job postings. In 2025, Siers Groep Oldenzaal opened 429 new job postings — about 36 per month.
Track hiring trends by role
When was Siers Groep Oldenzaal founded and where is it headquartered?
Siers Groep Oldenzaal was founded in 1964 and is headquartered in Oldenzaal, Netherlands.
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