How many employees does Thomas G Gallagher have?

Thomas G. Gallagher, Inc. has approximately 290 total employees worldwide as of June 2026, according to Revelio Labs workforce intelligence data. Thomas G Gallagher’s total headcount has grown 18.3% from 245 employees in 2023 to 290 in 2026.

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

Is Thomas G Gallagher hiring right now?

Yes, Thomas G Gallagher is actively hiring. Thomas G Gallagher had 8 active job postings in 2026, a 22.2% decline from 2025 — see job openings & hiring trends.

About Thomas G Gallagher’s Workforce

Thomas G. Gallagher, Inc. is an Engineering and Construction Services company that employs 290 people worldwide as of June 2026. It is the 9th-largest by headcount among its peers. Founded in 1940, the company is headquartered in Cambridge, Massachusetts.

Thomas G Gallagher's workforce has grown 18.3% from 2023 to 2026, up 1.9% year over year in 2026. Its workforce is concentrated most in North America (95.5%), followed by Arab States (4.0%) and Eastern Europe (0.5%).

Thomas G Gallagher's functional groups are Engineering (37.3%), Sales and Marketing (32.6%), and Finance and Operations (30.0%), with Engineering growing fastest (up 24.3%). The average salary is $88,084, highest in North America at a median of $82,000.

Thomas G Gallagher's active job postings fell 22.2% in 2026 to 8, with new postings per month cooling from 5 in 2023 to 3 in 2026. Overall employee sentiment is neutral but improving.

Sourced from Revelio Labs workforce data.

Headquarters
Cambridge, Massachusetts
Founded
1940
Industry
Engineering and Construction Services
Employees
290
YoY
+1.9% (+31)

Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Thomas G Gallagher. Compare to peers, export the dataset, and access the full quarterly history.

Unlock Metrics

Thomas G Gallagher Annual Employee Count (2023-2026)

Interactive chart of Thomas G Gallagher annual worldwide employee count from 2023 to 2026.
  • Thomas G Gallagher had 290 employees in 2026, a 1.9% increase (+31) from 2025.
  • Thomas G Gallagher had 273 employees in 2025, a 0.9% increase (+18) from 2024.
  • Thomas G Gallagher had 255 employees in 2024, a 7.2% decline (-1) from 2023.
  • Thomas G Gallagher had 256 employees in 2023, a 3.4% increase (+24) from 2022.

Thomas G Gallagher's total workforce has grown from 245 employees in 2023 to 290 in 2026.

Thomas G. Gallagher, Inc. quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q2290+31+1.9%
2026Q1281+25+4.1%
2025Q4273+18+0.9%
2025Q3282+31+1.3%
2025Q2259-7-2.2%
2025Q1256-2-5.0%
2024Q4255-1-7.2%
2024Q3251+6-1.3%
2024Q2266+30+2.2%
2024Q1258+35+5.4%
2023Q4256+24+3.4%
2023Q3245+41+3.1%

See Thomas G Gallagher's complete headcount history, including quarterly breakdowns.

Get the Data

Thomas G Gallagher Employee Count by Region (2026)

North America accounts for the largest share of Thomas G Gallagher's global workforce with approximately 96% of total employees, followed by Arab States and Eastern Europe.

Thomas G Gallagher employees by region

RegionEmployees% of Total
North America27695.5%
Arab States124.0%
Eastern Europe10.5%

Drill into city-level data, hiring trends by region, and historic geographic shifts.

Unlock Geographic Data

Thomas G Gallagher Employee Count by Department (2026)

Thomas G Gallagher's employee groups are Engineering (37.3%), Sales and Marketing (32.6%), and Finance and Operations (30.0%).

Thomas G Gallagher employees by department

DepartmentEmployees% of Total
Engineering10837.3%
Sales and Marketing9532.6%
Finance and Operations8730.0%

Compare Thomas G Gallagher's department mix to industry peers.

See Full Data

Thomas G Gallagher Employee Salary by Region (2026)

Thomas G Gallagher's average employee salary is $88,084 globally. Employees in North America receive the highest compensation.

Thomas G Gallagher median employee salary by region (USD)

RegionMedian Salary
North America$82,000

Unlock salary by role, level, and city — and compare to Thomas G Gallagher's industry peers.

Unlock Salary Data

Thomas G Gallagher Job Openings and Hiring Trends (2023-2026)

Interactive chart of Thomas G Gallagher annual active job postings from 2023 to 2026.
  • Thomas G Gallagher had 8 active job postings in 2026, a 22.2% decline (+3) from 2025.
  • Thomas G Gallagher had 5 active job postings in 2025, a 57.1% decline (-4) from 2024.
  • Thomas G Gallagher had 9 active job postings in 2024, a 20.0% decline (-2) from 2023.
  • Thomas G Gallagher had 11 active job postings in 2023, a 20.0% increase from 2022.
  • Hiring velocity in 2026: 3 new roles/month, down from 4 in 2025 and 3 in 2024.

Thomas G Gallagher's hiring is slowing: active job postings fell 22.2% in 2026 to 8, with new postings per month cooling from 5 in 2023 to 3 in 2026.

Track new postings per month, role-level demand, and hiring velocity vs. peers.

Unlock Hiring Data

Thomas G Gallagher Employee Sentiment (2026)

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

Overall

NegativePositive

Unlock the full sentiment breakdown by department, tenure, and trend over time.

Unlock Sentiment

Similar Companies

Frequently Asked Questions About Thomas G Gallagher

How fast is Thomas G Gallagher growing?
In 2026, Thomas G Gallagher's headcount grew 1.9% to 290 employees, up from 259 in 2025.
See the full headcount history
Where are Thomas G Gallagher employees located?
Most Thomas G Gallagher employees are based in North America (95.5% of headcount), followed by Arab States and Eastern Europe.
Explore where the workforce is based
How many people work at Thomas G Gallagher in North America?
About 276 people work at Thomas G Gallagher in North America, its largest region.
See headcount by region
What is the average salary at Thomas G Gallagher?
The average employee salary at Thomas G Gallagher is approximately $88.1k per year.
Analyze the salary distribution
How many new job postings does Thomas G Gallagher open per year?
Through Q2 2026, Thomas G Gallagher opened 16 new job postings. In 2025, Thomas G Gallagher opened 44 new job postings — about 4 per month.
Track hiring trends by role
When was Thomas G Gallagher founded and where is it headquartered?
Thomas G Gallagher was founded in 1940 and is headquartered in Cambridge, Massachusetts.
Compare Thomas G Gallagher to industry peers

Speak with a workforce expert about Thomas G Gallagher.

Book a Demo

See something that doesn't look right? Reach out and our team will review it.