How many employees work at Callahan?

Callahan, Inc. has approximately 384 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Callahan’s total headcount has grown 18.7% from 324 employees in 2023 to 384 in 2026.

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

Is Callahan hiring right now?

Yes, Callahan is actively hiring. Callahan had 6 active job postings in 2026, a 85.7% decline from 2025 — see job openings & hiring trends.

About Callahan’s Workforce

Callahan, Inc. is an Engineering and Construction Services company that employs 384 people worldwide as of March 2026. It is the 9th-largest by headcount among its peers. Founded in 1954, the company is headquartered in Bridgewater, Massachusetts.

Callahan's workforce has grown 18.7% from 2023 to 2026, up 6.7% year over year in 2026. It fell to a low of 275 in 2024 Q1 before recovering. Its workforce is concentrated most in North America (100.0%).

Callahan's functional groups are Engineering (53.9%), Sales and Marketing (25.2%), and Finance and Operations (20.9%), with Engineering growing fastest (up 7.3%). The average salary is $114,096, highest in North America at a median of $100,000, down 1.1% year over year in 2026.

Callahan's active job postings fell 85.7% in 2026 to 6, with new postings per month cooling from 14 in 2023 to 6 in 2026. Overall employee sentiment is positive and improving.

Sourced from Revelio Labs workforce data.

Headquarters
Bridgewater, Massachusetts
Founded
1954
Industry
Engineering and Construction Services
Employees
384
YoY
+6.7% (+66)

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Callahan Annual Employee Count (2023-2026)

Interactive chart of Callahan annual worldwide employee count from 2023 to 2026.
  • Callahan had 384 employees in 2026, a 6.7% increase (+66) from 2025.
  • Callahan had 378 employees in 2025, a 5.5% increase (+72) from 2024.
  • Callahan had 306 employees in 2024, a 4.8% increase (+27) from 2023.
  • Callahan had 279 employees in 2023, a 7.0% decline (-55) from 2022.

Callahan's total workforce has grown from 324 employees in 2023 to 384 in 2026.

Callahan, Inc. quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q1384+66+6.7%
2025Q4378+72+5.5%
2025Q3361+76+8.2%
2025Q2359+60+10.6%
2025Q1318+43+3.1%
2024Q4306+27+4.8%
2024Q3285-11+0.6%
2024Q2299-25-1.7%
2024Q1275-58-6.9%
2023Q4279-55-7.0%
2023Q3296-24-4.0%
2023Q2324+1+0.9%

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Callahan Employee Count by Region (2026)

North America accounts for the largest share of Callahan's global workforce with approximately 100% of total employees.

Callahan employees by region

RegionEmployees% of Total
North America374100.0%

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Callahan Employee Count by Department (2026)

Callahan's employee groups are Engineering (53.9%), Sales and Marketing (25.2%), and Finance and Operations (20.9%).

Callahan employees by department

DepartmentEmployees% of Total
Engineering20453.9%
Sales and Marketing9525.2%
Finance and Operations7920.9%

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Callahan Employee Salary by Region (2026)

Callahan's average employee salary is $114,096 globally. Employees in North America receive the highest compensation.

Callahan median employee salary by region (USD)

RegionMedian Salary
North America$100,000

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Callahan Job Openings and Hiring Trends (2023-2026)

Interactive chart of Callahan annual active job postings from 2023 to 2026.
  • Callahan had 6 active job postings in 2026, a 85.7% decline (-5) from 2025.
  • Callahan had 11 active job postings in 2025, a 92.7% decline (-19) from 2024.
  • Callahan had 30 active job postings in 2024, a 100.0% increase (+20) from 2023.
  • Callahan had 10 active job postings in 2023, a 26.1% decline from 2022.
  • Hiring velocity in 2026: 6 new roles/month, down from 11 in 2025 and 9 in 2024.

Callahan's hiring is slowing: active job postings fell 85.7% in 2026 to 6, with new postings per month cooling from 14 in 2023 to 6 in 2026.

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Callahan Employee Sentiment (2026)

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

Overall

NegativePositive

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Frequently Asked Questions About Callahan

How fast is Callahan growing?
In 2026, Callahan's headcount grew 6.7% to 384 employees, up from 318 in 2025.
See the full headcount history
Where are Callahan employees located?
Most Callahan employees are based in North America (100.0% of headcount).
Explore where the workforce is based
What is the average salary at Callahan?
The average employee salary at Callahan is approximately $114.1k per year.
Analyze the salary distribution
How many new job postings does Callahan open per year?
In Q1 2026, Callahan opened 17 new job postings. In 2025, Callahan opened 126 new job postings — about 11 per month.
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When was Callahan founded and where is it headquartered?
Callahan was founded in 1954 and is headquartered in Bridgewater, Massachusetts.
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