How many employees work at Thornton Tomasetti?
Thornton Tomasetti, Inc. has approximately 2,666 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Thornton Tomasetti's total headcount has grown 26.1% from 2,113 employees in 2023 to 2,666 in 2026.
Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published July 2026
Is Thornton Tomasetti hiring right now?
Yes, Thornton Tomasetti is actively hiring. Thornton Tomasetti had 223 active job postings in 2026, a 4.0% decline from 2025 — see job openings & hiring trends.
About Thornton Tomasetti's Workforce
Thornton Tomasetti, Inc. is an Engineering and Construction Services company that employs 2,666 people worldwide as of March 2026. It is the 11th-largest by headcount among its peers. Founded in 1956, the company is headquartered in New York City, New York.
Thornton Tomasetti's workforce has grown 26.1% from 2023 to 2026, up 13.3% year over year in 2026. It fell to a low of 2,079 in 2023 Q3 before recovering. Its workforce is concentrated most in the United States (57.4%), followed by India (22.8%) and the United Kingdom (8.7%), with Italy, its fastest-growing location.
Thornton Tomasetti's largest functional groups are Sales and Marketing (49.7%), Finance and Operations (37.9%), and Engineering (12.4%), with Sales and Marketing growing fastest (up 4.8%). Median employee tenure is 3.8 years. The average salary is $90,672, ranging from a median of $109,000 in Northern America to $11,000 in Southern Asia.
Thornton Tomasetti's active job postings fell 4.0% in 2026 to 223, with new postings per month cooling from 102 in 2023 to 56 in 2026. Overall employee sentiment is neutral but improving.
Sourced from Revelio Labs workforce data.
As of March 2026
Thornton Tomasetti
workforce metrics
Headcount
2.7k
13.3% YoY
Avg. Salary
$90.7k
6.7% YoY
Tenure
3.8yr
0.7yr YoY
Growth Rate
13.3%
3.5pts YoY
Hiring Rate
Attrition Rate
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Thornton Tomasetti. Compare to peers, export the dataset, and access the full quarterly history.
- Thornton Tomasetti had 2,666 employees in 2026, a 13.3% increase (+332) from 2025.
- Thornton Tomasetti had 2,578 employees in 2025, a 11.4% increase (+279) from 2024.
- Thornton Tomasetti had 2,299 employees in 2024, a 8.9% increase (+195) from 2023.
- Thornton Tomasetti had 2,104 employees in 2023, a 7.0% increase (+142) from 2022.
Thornton Tomasetti's total workforce has grown from 2,113 employees in 2023 to 2,666 in 2026.
Thornton Tomasetti, Inc. — quarterly employee count (2023–2026)
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 2,666 | +332 | +13.3% |
| 2025 | Q4 | 2,578 | +279 | +11.4% |
| 2025 | Q3 | 2,488 | +249 | +10.5% |
| 2025 | Q2 | 2,510 | +274 | +11.5% |
| 2025 | Q1 | 2,334 | +218 | +9.8% |
| 2024 | Q4 | 2,299 | +195 | +8.9% |
| 2024 | Q3 | 2,239 | +160 | +7.4% |
| 2024 | Q2 | 2,236 | +123 | +5.7% |
| 2024 | Q1 | 2,116 | +107 | +5.2% |
| 2023 | Q4 | 2,104 | +142 | +7.0% |
| 2023 | Q3 | 2,079 | +138 | +6.8% |
| 2023 | Q2 | 2,113 | +240 | +12.1% |
Want to see Thornton Tomasetti's complete headcount history back to 2008, including quarterly breakdowns?
The United States accounts for the largest share of Thornton Tomasetti's global workforce with approximately 57% of total employees, followed by India and the United Kingdom. Thornton Tomasetti's headcount in Italy is growing fastest among its major locations, up 31.5% year over year in 2026.
Thornton Tomasetti employees by country — 2026
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| United States | 1,549 | 57.4% | +0.9% |
| India | 614 | 22.8% | +17.4% |
| United Kingdom | 236 | 8.7% | +6.6% |
| Vietnam | 138 | 5.1% | -5.5% |
| Canada | 55 | 2.1% | +4.3% |
| Australia | 22 | 0.8% | -44.5% |
| China | 20 | 0.7% | -14.2% |
| Italy | 15 | 0.5% | +31.5% |
| United Arab Emirates | 5 | 0.2% | +0.0% |
| Russia | 5 | 0.2% | +0.0% |
Drill into city-level data, hiring trends by region and historic geographic shifts
Thornton Tomasetti's largest employee groups are Sales and Marketing (49.7%), Finance and Operations (37.9%), and Engineering (12.4%).
Thornton Tomasetti employees by department — 2026
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Sales and Marketing | 1,343 | 49.7% | +4.8% |
| Finance and Operations | 1,025 | 37.9% | +3.8% |
| Engineering | 334 | 12.4% | +3.7% |
Compare Thornton Tomasetti's department mix to industry peers.
Thornton Tomasetti's average employee salary is $90,672 globally. Employees in Northern America receive the highest compensation, with median pay approximately 1.2x the global average. Pay is lowest in Southern Asia, at a median of $11,000.
Thornton Tomasetti median employee salary by region — 2026 (USD)
| Region | Median Salary |
|---|---|
| Northern America | $109,000 |
| Arab States | $77,000 |
| Northern Europe | $76,000 |
| Pacific Islands | $75,000 |
| Western Europe | $59,000 |
| Southern Europe | $48,000 |
| Eastern Europe | $40,000 |
| Eastern Asia | $31,000 |
| Central America and the Caribbean | $27,000 |
| South-Eastern Asia | $17,000 |
| Southern Asia | $11,000 |
| Sub-Saharan Africa | $3,000 |
Unlock salary by role, level, and city — and compare to Thornton Tomasetti's industry peers.
- Thornton Tomasetti had 223 active job postings in 2026, a 4.0% decline (-12) from 2025.
- Thornton Tomasetti had 235 active job postings in 2025, a 5.0% decline (-12) from 2024.
- Thornton Tomasetti had 247 active job postings in 2024, a 24.0% increase (+53) from 2023.
- Thornton Tomasetti had 194 active job postings in 2023, a 15.2% decline from 2022.
- Hiring velocity in 2026: 56 new roles/month, down from 78 in 2025 and 103 in 2024. New metric
Thornton Tomasetti's hiring is slowing: active job postings fell 4.0% in 2026 to 223, with new postings per month cooling from 102 in 2023 to 56 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Revelio Labs tracks employee sentiment across Thornton Tomasetti's workforce based on public professional data. Overall sentiment is neutral and has improved year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Similar Engineering and Construction Services Companies by Employee Count
- How fast is Thornton Tomasetti growing?
- In 2026, Thornton Tomasetti's headcount grew 13.3% to 2,666 employees, up from 2,334 in 2025.
- Where are Thornton Tomasetti employees located?
- Most Thornton Tomasetti employees are based in the United States (57.4% of headcount), followed by India and the United Kingdom.
- What is the average salary at Thornton Tomasetti?
- The average employee salary at Thornton Tomasetti is approximately $90.7k per year.
- How many people does Thornton Tomasetti hire per year?
- In 2026, Thornton Tomasetti opened roughly 672 new roles — about 56 per month.
- When was Thornton Tomasetti founded and where is it headquartered?
- Thornton Tomasetti was founded in 1956 and is headquartered in New York City, New York.
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