How many employees work at Shannon & Wilson?
Shannon & Wilson, Inc. has approximately 433 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Shannon & Wilson's total headcount has grown 7.9% from 402 employees in 2023 to 433 in 2026.
Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published July 2026
Is Shannon & Wilson hiring right now?
Yes, Shannon & Wilson is actively hiring. Shannon & Wilson had 55 active job postings in 2026, a 13.6% increase from 2025 — see job openings & hiring trends.
About Shannon & Wilson's Workforce
Shannon & Wilson, Inc. is an Engineering and Construction Services company that employs 433 people worldwide as of March 2026. It is the 11th-largest by headcount among its peers. Founded in 1954, the company is headquartered in Seattle, Washington.
Shannon & Wilson's workforce has grown 7.9% from 2023 to 2026, with a year-over-year increase of 0.8% in 2026. The company’s headcount peaked lower in 2023 Q3, reaching a low of 396 before recovering. Its workforce is concentrated most in the United States (99.3%), followed by Ireland (0.4%) and Australia (0.3%), with Ireland identified as the fastest-growing location.
Shannon & Wilson's largest functional groups are Finance and Operations (70.4%), Engineering (16.1%), and Sales and Marketing (13.4%). The average tenure is 7.4 years, and the average salary across all employees is $101,473, with a regional median in Northern America of $88,000.
Shannon & Wilson's active job postings rose 13.6% in 2026 to 55, with postings per month trending down from 27 in 2023 to 17 in 2026. Overall employee sentiment is neutral but improving.
Sourced from Revelio Labs workforce data.
As of March 2026
Shannon & Wilson
workforce metrics
Headcount
433
0.8% YoY
Avg. Salary
$101.5k
0.8% YoY
Tenure
7.4yr
0.3yr YoY
Growth Rate
0.8%
3.3pts YoY
Hiring Rate
Attrition Rate
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Shannon & Wilson. Compare to peers, export the dataset, and access the full quarterly history.
- Shannon & Wilson had 433 employees in 2026, a 0.8% increase (+3) from 2025.
- Shannon & Wilson had 442 employees in 2025, a 3.3% increase (+14) from 2024.
- Shannon & Wilson had 428 employees in 2024, a 5.4% increase (+23) from 2023.
- Shannon & Wilson had 405 employees in 2023, a 2.5% increase (+10) from 2022.
Shannon & Wilson's total workforce has grown from 402 employees in 2023 to 433 in 2026.
Shannon & Wilson, Inc. — quarterly employee count (2023–2026)
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 433 | +3 | +0.8% |
| 2025 | Q4 | 442 | +14 | +3.3% |
| 2025 | Q3 | 439 | +14 | +3.2% |
| 2025 | Q2 | 449 | +23 | +5.3% |
| 2025 | Q1 | 430 | +17 | +4.0% |
| 2024 | Q4 | 428 | +23 | +5.4% |
| 2024 | Q3 | 425 | +29 | +7.1% |
| 2024 | Q2 | 426 | +24 | +5.8% |
| 2024 | Q1 | 413 | +26 | +6.4% |
| 2023 | Q4 | 405 | +10 | +2.5% |
| 2023 | Q3 | 396 | -9 | -2.3% |
| 2023 | Q2 | 402 | +2 | +0.5% |
Want to see Shannon & Wilson's complete headcount history back to 2008, including quarterly breakdowns?
The United States accounts for the largest share of Shannon & Wilson's global workforce with approximately 99% of total employees, followed by Ireland and Australia.
Shannon & Wilson employees by country — 2026
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| United States | 428 | 99.3% | -2.7% |
| Ireland | 2 | 0.4% | +0.0% |
| Australia | 1 | 0.3% | +0.0% |
Drill into city-level data, hiring trends by region and historic geographic shifts
Shannon & Wilson's largest employee groups are Finance and Operations (70.4%), Engineering (16.1%), and Sales and Marketing (13.4%).
Shannon & Wilson employees by department — 2026
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Finance and Operations | 303 | 70.4% | -2.1% |
| Engineering | 69 | 16.1% | -1.5% |
| Sales and Marketing | 58 | 13.4% | -4.5% |
Compare Shannon & Wilson's department mix to industry peers.
Shannon & Wilson's average employee salary is $101,473 globally. Employees in Northern America receive the highest compensation.
Shannon & Wilson median employee salary by region — 2026 (USD)
| Region | Median Salary |
|---|---|
| Northern America | $88,000 |
Unlock salary by role, level, and city — and compare to Shannon & Wilson's industry peers.
- Shannon & Wilson had 55 active job postings in 2026, a 13.6% increase (+7) from 2025.
- Shannon & Wilson had 48 active job postings in 2025, a 31.6% decline (-18) from 2024.
- Shannon & Wilson had 66 active job postings in 2024, a 72.2% increase (+35) from 2023.
- Shannon & Wilson had 31 active job postings in 2023, a 0% no change from 2022.
- Hiring velocity in 2026: 17 new roles/month, down from 20 in 2025 and 19 in 2024. New metric
Shannon & Wilson's active job postings rose 13.6% in 2026 to 55, with new postings per month cooling from 27 in 2023 to 17 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Revelio Labs tracks employee sentiment across Shannon & Wilson'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 Shannon & Wilson growing?
- In 2026, Shannon & Wilson's headcount grew 0.8% to 433 employees, up from 430 in 2025.
- Where are Shannon & Wilson employees located?
- Most Shannon & Wilson employees are based in the United States (99.3% of headcount), followed by Ireland and Australia.
- What is the average salary at Shannon & Wilson?
- The average employee salary at Shannon & Wilson is approximately $101.5k per year.
- How many people does Shannon & Wilson hire per year?
- In 2026, Shannon & Wilson opened roughly 204 new roles — about 17 per month.
- When was Shannon & Wilson founded and where is it headquartered?
- Shannon & Wilson was founded in 1954 and is headquartered in Seattle, Washington.
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