NASDAQ Stockholm: CAST

How many employees work at Castellum?

Castellum AB (CAST) has approximately 482 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Castellum's total headcount has grown 3.2% from 467 employees in 2023 to 482 in 2026.

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

Castellum is hiring

Is Castellum hiring right now?

Yes, Castellum is actively hiring. Castellum had 25 active job postings in 2026, a 4.1% increase from 2025 see job openings & hiring trends.

About Castellum's Workforce

Castellum AB (CAST) is a Real Estate and Development company that employs 482 people worldwide as of March 2026. It is the 9th-largest by headcount among its peers. Founded in 1993, the company is headquartered in Goteborg, Sweden and trades on the NASDAQ Stockholm.

Castellum's workforce has grown 3.2% from 2023 to 2026, with headcount rising 0.7% year over year in 2026. It fell to a low of 446 in 2023 Q4 before recovering. Its workforce is concentrated most in Sweden (89.8%), followed by Denmark (3.5%) and Finland (1.8%), with Finland, its fastest-growing location, up 7.6%.

Castellum's largest groups by headcount are Finance and Operations (45.4%), Sales and Marketing (29.8%), and Engineering (24.8%), with Engineering the fastest-growing group at 3.9%. The average tenure is 4.3 years, and the average salary is $61,067, ranging from a median of $55,000 in Northern Europe to $8,000 in Southern America.

Castellum's active postings rose 4.1% in 2026 to 25 postings, with new postings per month climbing from 16 in 2023 to 17 in 2026. The sentiment across employees is neutral and flat.

Sourced from Revelio Labs workforce data.

As of March 2026

Castellum
workforce metrics

Headcount

482

0.7% YoY

Avg. Salary

$61.1k

0.5% YoY

Tenure

4.3yr

0.4yr YoY

Growth Rate

0.7%

0.1pts YoY

Hiring Rate

Attrition Rate

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Interactive chart of Castellum annual worldwide employee count from 2023 to 2026.
  • Castellum had 482 employees in 2026, a 0.7% increase (+12) from 2025.
  • Castellum had 487 employees in 2025, a 1.9% increase (+34) from 2024.
  • Castellum had 453 employees in 2024, a 1.1% decline (+7) from 2023.
  • Castellum had 446 employees in 2023, a 0% no change (-8) from 2022.

Castellum's total workforce has grown from 467 employees in 2023 to 482 in 2026.

Castellum AB — quarterly employee count (20232026)

YearQtrEmployeesYoY ChangeYoY %
2026Q1482+12+0.7%
2025Q4487+34+1.9%
2025Q3487+34+1.8%
2025Q2481+31+2.3%
2025Q1470+19+0.9%
2024Q4453+7-1.1%
2024Q3453+6+0.2%
2024Q2450-17-1.6%
2024Q1451-11-0.9%
2023Q4446-8-0.0%
2023Q3447-18-1.0%
2023Q2467+28+1.8%

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Sweden accounts for the largest share of Castellum's global workforce with approximately 90% of total employees, followed by Denmark and Finland. Castellum's headcount in Finland is growing fastest among its major locations, up 7.6% year over year in 2026.

Castellum employees by country — 2026

CountryEmployees% of TotalYoY %
Sweden42889.8%+1.2%
Denmark163.5%-18.5%
Finland91.8%+7.6%
China51.0%+0.0%
Mexico20.4%+0.0%
United States20.4%-23.9%
Indonesia20.4%+0.0%
Spain20.3%+0.0%
Brazil20.3%+0.0%
Morocco10.3%+0.0%

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Castellum's largest employee groups are Finance and Operations (45.4%), Sales and Marketing (29.8%), and Engineering (24.8%).

Castellum employees by department — 2026

DepartmentEmployees% of TotalYoY %
Finance and Operations21845.4%-0.5%
Sales and Marketing14329.8%-1.7%
Engineering11924.8%+3.9%

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Castellum's average employee salary is $61,067 globally. Employees in Northern Europe receive the highest compensation. Pay is lowest in Southern America, at a median of $8,000.

Castellum median employee salary by region — 2026 (USD)

RegionMedian Salary
Northern Europe$55,000
Southern Europe$42,000
Eastern Asia$27,000
Sub-Saharan Africa$18,000
South-Eastern Asia$10,000
Southern America$8,000

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Interactive chart of Castellum annual active job postings from 2023 to 2026.
  • Castellum had 25 active job postings in 2026, a 4.1% increase (+8) from 2025.
  • Castellum had 17 active job postings in 2025, a 45.5% decline (-10) from 2024.
  • Castellum had 27 active job postings in 2024, a 51.2% increase (+11) from 2023.
  • Castellum had 16 active job postings in 2023, a 27.0% decline from 2022.
  • Hiring velocity in 2026: 17 new roles/month, up from 15 in 2025 and 20 in 2024. New metric

Castellum's hiring is accelerating: active job postings rose 4.1% in 2026 to 25, with new postings per month climbing from 16 in 2023 to 17 in 2026.

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

Overall

NegativePositive

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How fast is Castellum growing?
In 2026, Castellum's headcount grew 0.7% to 482 employees, up from 470 in 2025.
Where are Castellum employees located?
Most Castellum employees are based in Sweden (89.8% of headcount), followed by Denmark and Finland.
What is the average salary at Castellum?
The average employee salary at Castellum is approximately $61.1k per year.
How many people does Castellum hire per year?
In 2026, Castellum opened roughly 204 new roles — about 17 per month.
When was Castellum founded and where is it headquartered?
Castellum was founded in 1993 and is headquartered in Goteborg, Sweden.

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