How many employees work at Callahan?
Callahan, Inc. has approximately 421 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Callahan’s total headcount has grown 10.7% from 381 employees in 2023 to 421 in 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 421 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 10.7% from 2023 to 2026, up 3.7% year over year in 2026. It fell to a low of 345 in 2024 Q1 before recovering. Its workforce is concentrated most in North America (96.2%), followed by South Asia (1.9%) and Pacific Islands (0.7%).
Callahan's functional groups are Engineering (50.9%), Finance and Operations (26.7%), and Sales and Marketing (22.4%), with Engineering growing fastest (up 7.3%). The average salary is $107,838, ranging from a median of $97,000 in North America to $4,000 in South Asia.
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
- 421
- YoY
- +3.7% (+48)
As of March 2026
Callahan workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Callahan. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsCallahan Annual Employee Count (2023-2026)
- Callahan had 421 employees in 2026, a 3.7% increase (+48) from 2025.
- Callahan had 417 employees in 2025, a 2.6% increase (+52) from 2024.
- Callahan had 365 employees in 2024, a 2.4% increase (+17) from 2023.
- Callahan had 348 employees in 2023, a 4.8% decline (-44) from 2022.
Callahan's total workforce has grown from 381 employees in 2023 to 421 in 2026.
Callahan, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 421 | +48 | +3.7% |
| 2025 | Q4 | 417 | +52 | +2.6% |
| 2025 | Q3 | 405 | +53 | +3.9% |
| 2025 | Q2 | 398 | +37 | +4.9% |
| 2025 | Q1 | 373 | +28 | +1.3% |
| 2024 | Q4 | 365 | +17 | +2.4% |
| 2024 | Q3 | 352 | -9 | -0.0% |
| 2024 | Q2 | 361 | -20 | -1.3% |
| 2024 | Q1 | 345 | -44 | -4.3% |
| 2023 | Q4 | 348 | -44 | -4.8% |
| 2023 | Q3 | 361 | -20 | -2.9% |
| 2023 | Q2 | 381 | -1 | +0.2% |
See Callahan's complete headcount history, including quarterly breakdowns.
Get the DataCallahan Employee Count by Region (2026)
North America accounts for the largest share of Callahan's global workforce with approximately 96% of total employees, followed by South Asia and Pacific Islands.
Callahan employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 398 | 96.2% |
| South Asia | 8 | 1.9% |
| Pacific Islands | 3 | 0.7% |
| Northern Europe | 2 | 0.5% |
| Southeast Asia | 2 | 0.4% |
| Western Europe | 1 | 0.2% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataCallahan Employee Count by Department (2026)
Callahan's employee groups are Engineering (50.9%), Finance and Operations (26.7%), and Sales and Marketing (22.4%).
Callahan employees by department
| Department | Employees | % of Total |
|---|---|---|
| Engineering | 210 | 50.9% |
| Finance and Operations | 110 | 26.7% |
| Sales and Marketing | 92 | 22.4% |
Compare Callahan's department mix to industry peers.
See Full DataCallahan Employee Salary by Region (2026)
Callahan's average employee salary is $107,838 globally. Employees in North America receive the highest compensation. Pay is lowest in South Asia, at a median of $4,000.
Callahan median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $97,000 |
| South Asia | $4,000 |
Unlock salary by role, level, and city — and compare to Callahan's industry peers.
Unlock Salary DataCallahan Job Openings and Hiring Trends (2023-2026)
- 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.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataCallahan 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
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Unlock SentimentSimilar Companies
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Frequently Asked Questions About Callahan
- How fast is Callahan growing?
- In 2026, Callahan's headcount grew 3.7% to 421 employees, up from 373 in 2025.
- See the full headcount history
- Where are Callahan employees located?
- Most Callahan employees are based in North America (96.2% of headcount), followed by South Asia and Pacific Islands.
- Explore where the workforce is based
- What is the average salary at Callahan?
- The average employee salary at Callahan is approximately $107.8k 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.
- Track hiring trends by role
- When was Callahan founded and where is it headquartered?
- Callahan was founded in 1954 and is headquartered in Bridgewater, Massachusetts.
- Compare Callahan to industry peers
Speak with a workforce expert about Callahan.
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