How many employees work at Salas O'Brien?

Salas O'Brien, Inc. has approximately 4,771 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Salas O'Brien’s total headcount has grown 16.1% from 4,111 employees in 2023 to 4,771 in 2026.

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

Is Salas O'Brien hiring right now?

Yes, Salas O'Brien is actively hiring. Salas O'Brien had 517 active job postings in 2026, a 9.3% increase from 2025 — see job openings & hiring trends.

About Salas O'Brien’s Workforce

Salas O'Brien, Inc. is an Engineering and Construction Services company that employs 4,771 people worldwide as of March 2026. It is the 7th-largest by headcount among its peers. Founded in 1975, the company is headquartered in Irvine, California.

Salas O'Brien's workforce has grown 16.1% from 2023 to 2026, up 1.6% year over year in 2026. Its workforce is concentrated most in North America (92.6%), followed by South Asia (4.6%) and Sub-Saharan Africa (0.6%).

Salas O'Brien's functional groups are Finance and Operations (36.7%), Engineering (31.8%), and Sales and Marketing (31.5%), with Finance and Operations growing fastest (up 1.6%). The average salary is $105,028, ranging from a median of $97,000 in North America to $9,000 in South Asia.

Salas O'Brien's active job postings rose 9.3% in 2026 to 517, with new postings per month climbing from 176 in 2023 to 223 in 2026. Overall employee sentiment is neutral and broadly stable.

Sourced from Revelio Labs workforce data.

Headquarters
Irvine, California
Founded
1975
Industry
Engineering and Construction Services
Employees
4,771
YoY
+1.6% (+206)

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Salas O'Brien Annual Employee Count (2023-2026)

Interactive chart of Salas O'Brien annual worldwide employee count from 2023 to 2026.
  • Salas O'Brien had 4,771 employees in 2026, a 1.6% increase (+206) from 2025.
  • Salas O'Brien had 4,745 employees in 2025, a 1.5% increase (+207) from 2024.
  • Salas O'Brien had 4,538 employees in 2024, a 2.0% increase (+308) from 2023.
  • Salas O'Brien had 4,230 employees in 2023, a 3.9% increase (+457) from 2022.

Salas O'Brien's total workforce has grown from 4,111 employees in 2023 to 4,771 in 2026.

Salas O'Brien, Inc. quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q14,771+206+1.6%
2025Q44,745+207+1.5%
2025Q34,745+290+1.6%
2025Q24,765+277+1.9%
2025Q14,565+254+1.7%
2024Q44,538+308+2.0%
2024Q34,455+309+2.5%
2024Q24,488+377+3.0%
2024Q14,311+428+3.6%
2023Q44,230+457+3.9%
2023Q34,146+431+3.7%
2023Q24,111+475+3.7%

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Salas O'Brien Employee Count by Region (2026)

North America accounts for the largest share of Salas O'Brien's global workforce with approximately 93% of total employees, followed by South Asia and Sub-Saharan Africa.

Salas O'Brien employees by region

RegionEmployees% of Total
North America4,35692.6%
South Asia2154.6%
Sub-Saharan Africa270.6%
North Africa250.5%
Central America and the Caribbean160.3%
Southern Europe130.3%
Arab States100.2%
Southeast Asia70.2%
Northern Europe60.1%
Eastern Europe60.1%

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Salas O'Brien Employee Count by Department (2026)

Salas O'Brien's employee groups are Finance and Operations (36.7%), Engineering (31.8%), and Sales and Marketing (31.5%).

Salas O'Brien employees by department

DepartmentEmployees% of Total
Finance and Operations1,74736.7%
Engineering1,51431.8%
Sales and Marketing1,50131.5%

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Salas O'Brien Employee Salary by Region (2026)

Salas O'Brien's average employee salary is $105,028 globally. Employees in North America receive the highest compensation. Pay is lowest in South Asia, at a median of $9,000.

Salas O'Brien median employee salary by region (USD)

RegionMedian Salary
North America$97,000
Northern Europe$55,000
Arab States$35,000
Southern Europe$25,000
South America$17,000
Eastern Europe$14,000
Southeast Asia$14,000
Sub-Saharan Africa$12,000
North Africa$12,000
South Asia$9,000

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Salas O'Brien Job Openings and Hiring Trends (2023-2026)

Interactive chart of Salas O'Brien annual active job postings from 2023 to 2026.
  • Salas O'Brien had 517 active job postings in 2026, a 9.3% increase (+53) from 2025.
  • Salas O'Brien had 464 active job postings in 2025, a 8.9% decline (-43) from 2024.
  • Salas O'Brien had 507 active job postings in 2024, a 69.0% increase (+260) from 2023.
  • Salas O'Brien had 247 active job postings in 2023, a 42.2% decline from 2022.
  • Hiring velocity in 2026: 223 new roles/month, up from 222 in 2025 and 253 in 2024.

Salas O'Brien's hiring is accelerating: active job postings rose 9.3% in 2026 to 517, with new postings per month climbing from 176 in 2023 to 223 in 2026.

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Salas O'Brien Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across Salas O'Brien'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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Frequently Asked Questions About Salas O'Brien

How fast is Salas O'Brien growing?
In 2026, Salas O'Brien's headcount grew 1.6% to 4,771 employees, up from 4,565 in 2025.
See the full headcount history
Where are Salas O'Brien employees located?
Most Salas O'Brien employees are based in North America (92.6% of headcount), followed by South Asia and Sub-Saharan Africa.
Explore where the workforce is based
What is the average salary at Salas O'Brien?
The average employee salary at Salas O'Brien is approximately $105k per year.
Analyze the salary distribution
How many new job postings does Salas O'Brien open per year?
In Q1 2026, Salas O'Brien opened 668 new job postings. In 2025, Salas O'Brien opened 2,663 new job postings — about 222 per month.
Track hiring trends by role
When was Salas O'Brien founded and where is it headquartered?
Salas O'Brien was founded in 1975 and is headquartered in Irvine, California.
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