How many employees work at United Illuminating?
The United Illuminating Co. has approximately 817 total employees worldwide as of December 2025, according to Revelio Labs workforce intelligence data. United Illuminating's total headcount has grown 2.2% from 800 employees in 2023 to 817 in 2025.
Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published June 2026
Is United Illuminating hiring right now?
No, United Illuminating is not actively hiring. United Illuminating had 0 active job postings in 2025, a 0.0% no change from 2024 — see job openings & hiring trends.
About United Illuminating's Workforce
The United Illuminating Co. is an Energy and Resources company that employs 817 people worldwide as of December 2025. It is the 9th-largest by headcount among its peers. Founded in 1899, the company is headquartered in Orange, Connecticut.
United Illuminating's workforce has grown 2.2% from 2023 to 2025, and rose 0.4% year over year in 2025. Its workforce is concentrated most in the United States (99%), followed by Nigeria (0.3%) and Trinidad and Tobago (0.3%), with the United States, its fastest-growing location, up 0.8%.
United Illuminating's largest functional groups are Finance and Operations (41.2%), Engineering (37.3%), and Sales and Marketing (21.4%), with Engineering growing fastest (up 1.4%). The average tenure across employees is 8.1 years, and the average salary is $96,867, highest in Northern America, where the median is $87,000.
United Illuminating's hiring activity held steady in 2025, with postings year over year unchanged. Sentiment across the workforce is negative and trending downward.
Sourced from Revelio Labs workforce data.
As of December 2025
United Illuminating
workforce metrics
Headcount
817
0.4% YoY
Avg. Salary
$96.9k
0.2% YoY
Tenure
8.1yr
0.1yr YoY
Growth Rate
0.4%
0.2pts YoY
Hiring Rate
Attrition Rate
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for United Illuminating. Compare to peers, export the dataset, and access the full quarterly history.
- United Illuminating had 817 employees in 2025, a 0.4% increase (+3) from 2024.
- United Illuminating had 814 employees in 2024, a 0.2% increase (+1) from 2023.
- United Illuminating had 813 employees in 2023, a 1.9% increase (+16) from 2022.
United Illuminating's total workforce has grown from 800 employees in 2023 to 817 in 2025.
The United Illuminating Co. — quarterly employee count (2023–2025)
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2025 | Q4 | 817 | +3 | +0.4% |
| 2025 | Q3 | 813 | -12 | -1.5% |
| 2025 | Q2 | 807 | -20 | -2.5% |
| 2025 | Q1 | 817 | -1 | -0.1% |
| 2024 | Q4 | 814 | +1 | +0.2% |
| 2024 | Q3 | 825 | +7 | +0.9% |
| 2024 | Q2 | 827 | +15 | +1.9% |
| 2024 | Q1 | 818 | +18 | +2.3% |
| 2023 | Q4 | 813 | +16 | +1.9% |
| 2023 | Q3 | 818 | +18 | +2.3% |
| 2023 | Q2 | 812 | +8 | +0.9% |
| 2023 | Q1 | 800 | -9 | -1.1% |
Want to see United Illuminating's complete headcount history back to 2017, including quarterly breakdowns?
The United States accounts for the largest share of United Illuminating's global workforce with approximately 99% of total employees, followed by Nigeria and Trinidad and Tobago. United Illuminating's headcount in the United States is growing fastest among its major locations, up 0.8% year over year in 2025.
United Illuminating employees by country — 2025
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| United States | 803 | 99.0% | +0.8% |
| Nigeria | 3 | 0.3% | +0.0% |
| Trinidad and Tobago | 2 | 0.3% | +0.0% |
| United Kingdom | 2 | 0.2% | +0.0% |
| Australia | 1 | 0.1% | +0.0% |
Drill into city-level data, hiring trends by region and historic geographic shifts
United Illuminating's largest employee groups are Finance and Operations (41.2%), Engineering (37.3%), and Sales and Marketing (21.4%).
United Illuminating employees by department — 2025
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Finance and Operations | 326 | 41.2% | +1.3% |
| Engineering | 295 | 37.3% | +1.4% |
| Sales and Marketing | 170 | 21.4% | -1.3% |
Compare United Illuminating's department mix to industry peers.
United Illuminating's average employee salary is $96,867 globally. Employees in Northern America receive the highest compensation.
United Illuminating median employee salary by region — 2025 (USD)
| Region | Median Salary |
|---|---|
| Northern America | $87,000 |
Unlock salary by role, level, and city — and compare to United Illuminating's industry peers.
- United Illuminating had 0 active job postings in 2025, a 0% no change from 2024.
- United Illuminating had 0 active job postings in 2024, a 200.0% decline (-1) from 2023.
- United Illuminating had 1 active job postings in 2023, a 66.7% decline from 2022.
- Hiring velocity in 2025: 2 new roles/month, up from 0 in 2024 and 1 in 2023. New metric
United Illuminating's hiring activity held steady in 2025.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Revelio Labs tracks employee sentiment across United Illuminating's workforce based on public professional data. Overall sentiment is negative and has declined year over year in 2025.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
- How fast is United Illuminating growing?
- In 2025, United Illuminating's headcount grew 0.4% to 817 employees, up from 814 in 2024.
- Where are United Illuminating employees located?
- Most United Illuminating employees are based in the United States (99.0% of headcount), followed by Nigeria and Trinidad and Tobago.
- What is the average salary at United Illuminating?
- The average employee salary at United Illuminating is approximately $96.9k per year.
- How many people does United Illuminating hire per year?
- In 2025, United Illuminating opened roughly 24 new roles — about 2 per month.
- When was United Illuminating founded and where is it headquartered?
- United Illuminating was founded in 1899 and is headquartered in Orange, Connecticut.
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