How many employees work at SIRO?
SIRO DAC has approximately 155 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. SIRO’s total headcount has declined 12.5% from 177 employees in 2023 to 155 in 2026.
Is SIRO hiring right now?
Yes, SIRO is actively hiring. SIRO had 4 active job postings in 2026, a 76.9% decline from 2025 — see job openings & hiring trends.
About SIRO’s Workforce
SIRO DAC is a Telecommunications Services company that employs 155 people worldwide as of March 2026. It is the 11th-largest by headcount among its peers. Founded in 2015, the company is headquartered in Dublin, Ireland.
SIRO's workforce has declined 12.5% from 2023 to 2026, down 0.5% year over year in 2026. It fell to a low of 154 in 2025 Q2 before recovering. Its workforce is concentrated most in Northern Europe (95.6%), followed by Southeast Asia (1.2%) and Pacific Islands (1.0%).
SIRO's functional groups are Finance and Operations (52.0%), Engineering (29.8%), and Sales and Marketing (18.2%), with Finance and Operations growing fastest (up 6.2%). The average salary is $77,641, highest in Northern Europe at a median of $66,000, up 1.2% year over year in 2026.
SIRO's active job postings fell 76.9% in 2026 to 4, with new postings per month cooling from 4 in 2023 to 1 in 2026. Overall employee sentiment is positive and improving.
Sourced from Revelio Labs workforce data.
- Headquarters
- Dublin, Ireland
- Founded
- 2015
- Industry
- Telecommunications Services
- Employees
- 155
- YoY
- -0.5% (-6)
As of March 2026
SIRO workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for SIRO. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsSIRO Annual Employee Count (2023-2026)
- SIRO had 155 employees in 2026, a 0.5% decline (-6) from 2025.
- SIRO had 155 employees in 2025, a 1.3% decline (-9) from 2024.
- SIRO had 164 employees in 2024, a 0.4% increase (-6) from 2023.
- SIRO had 170 employees in 2023, a 2.4% increase (-8) from 2022.
SIRO's total workforce has grown from 154 employees in 2025 to 155 in 2026. SIRO's headcount peaked at 177 in 2023 before declining in 2025 and recovering through 2026.
SIRO DAC quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 155 | -6 | -0.5% |
| 2025 | Q4 | 155 | -9 | -1.3% |
| 2025 | Q3 | 157 | -6 | +0.4% |
| 2025 | Q2 | 154 | -17 | -2.2% |
| 2025 | Q1 | 161 | -9 | -1.1% |
| 2024 | Q4 | 164 | -6 | +0.4% |
| 2024 | Q3 | 163 | -9 | +0.1% |
| 2024 | Q2 | 171 | -6 | +1.0% |
| 2024 | Q1 | 170 | -4 | +3.1% |
| 2023 | Q4 | 170 | -8 | +2.4% |
| 2023 | Q3 | 172 | +2 | +4.3% |
| 2023 | Q2 | 177 | +3 | +4.3% |
See SIRO's complete headcount history, including quarterly breakdowns.
Get the DataSIRO Employee Count by Region (2026)
Northern Europe accounts for the largest share of SIRO's global workforce with approximately 96% of total employees, followed by Southeast Asia and Pacific Islands.
SIRO employees by region
| Region | Employees | % of Total |
|---|---|---|
| Northern Europe | 148 | 95.6% |
| Southeast Asia | 2 | 1.2% |
| Pacific Islands | 2 | 1.0% |
| Western Europe | 1 | 0.8% |
| Southern Europe | 1 | 0.7% |
| North Africa | 1 | 0.7% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataSIRO Employee Count by Department (2026)
SIRO's employee groups are Finance and Operations (52.0%), Engineering (29.8%), and Sales and Marketing (18.2%).
SIRO employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 80 | 52.0% |
| Engineering | 46 | 29.8% |
| Sales and Marketing | 28 | 18.2% |
Compare SIRO's department mix to industry peers.
See Full DataSIRO Employee Salary by Region (2026)
SIRO's average employee salary is $77,641 globally. Employees in Northern Europe receive the highest compensation.
SIRO median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| Northern Europe | $66,000 |
Unlock salary by role, level, and city — and compare to SIRO's industry peers.
Unlock Salary DataSIRO Job Openings and Hiring Trends (2023-2026)
- SIRO had 4 active job postings in 2026, a 76.9% decline from 2025.
- SIRO had 4 active job postings in 2025, a 40.0% decline (-2) from 2024.
- SIRO had 6 active job postings in 2024, a 28.6% decline (-2) from 2023.
- SIRO had 8 active job postings in 2023, a 66.7% increase from 2022.
- Hiring velocity in 2026: 1 new roles/month, down from 4 in 2025 and 7 in 2024.
SIRO's hiring is slowing: active job postings fell 76.9% in 2026 to 4, with new postings per month cooling from 4 in 2023 to 1 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataSIRO Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across SIRO's workforce based on public professional data. Overall sentiment is positive and has improved year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Unlock SentimentSimilar Companies
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Frequently Asked Questions About SIRO
- How fast is SIRO growing?
- In 2026, SIRO's headcount shrank 0.5% to 155 employees, down from 161 in 2025.
- See the full headcount history
- Where are SIRO employees located?
- Most SIRO employees are based in Northern Europe (95.6% of headcount), followed by Southeast Asia and Pacific Islands.
- Explore where the workforce is based
- What is the average salary at SIRO?
- The average employee salary at SIRO is approximately $77.6k per year.
- Analyze the salary distribution
- How many new job postings does SIRO open per year?
- In Q1 2026, SIRO opened 2 new job postings. In 2025, SIRO opened 42 new job postings — about 4 per month.
- Track hiring trends by role
- When was SIRO founded and where is it headquartered?
- SIRO was founded in 2015 and is headquartered in Dublin, Ireland.
- Compare SIRO to industry peers
Speak with a workforce expert about SIRO.
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