How many employees work at Middlesex?
The Middlesex Corp. has approximately 591 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Middlesex’s total headcount has grown 3.0% from 573 employees in 2023 to 591 in 2026.
Is Middlesex hiring right now?
Yes, Middlesex is actively hiring. Middlesex had 142 active job postings in 2026, a 12.7% increase from 2025 — see job openings & hiring trends.
About Middlesex’s Workforce
The Middlesex Corp. is an Engineering and Construction Services company that employs 591 people worldwide as of March 2026. It is the 11th-largest by headcount among its peers. Founded in 1972, the company is headquartered in Town of Littleton, Massachusetts.
Middlesex's workforce has grown 3.0% from 2023 to 2026, up 0.3% year over year in 2026. It fell to a low of 552 in 2023 Q4 before recovering. Its workforce is concentrated most in North America (100.0%).
Middlesex's functional groups are Engineering (39.2%), Sales and Marketing (30.6%), and Finance and Operations (30.2%), with Finance and Operations growing fastest (up 3.9%). The average salary is $94,382, highest in North America at a median of $81,000.
Middlesex's active job postings rose 12.7% in 2026 to 142, with new postings per month cooling from 265 in 2023 to 83 in 2026. Overall employee sentiment is negative and declining.
Sourced from Revelio Labs workforce data.
- Headquarters
- Town of Littleton, Massachusetts
- Founded
- 1972
- Industry
- Engineering and Construction Services
- Employees
- 591
- YoY
- +0.3% (+10)
As of March 2026
Middlesex workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Middlesex. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsMiddlesex Annual Employee Count (2023-2026)
- Middlesex had 591 employees in 2026, a 0.3% increase (+10) from 2025.
- Middlesex had 579 employees in 2025, a 0.8% decline (-13) from 2024.
- Middlesex had 592 employees in 2024, a 2.7% increase (+40) from 2023.
- Middlesex had 552 employees in 2023, a 1.1% increase (-6) from 2022.
Middlesex's total workforce has grown from 573 employees in 2023 to 591 in 2026.
The Middlesex Corp. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 591 | +10 | +0.3% |
| 2025 | Q4 | 579 | -13 | -0.8% |
| 2025 | Q3 | 576 | -13 | +0.2% |
| 2025 | Q2 | 586 | -4 | +1.7% |
| 2025 | Q1 | 581 | +9 | +1.6% |
| 2024 | Q4 | 592 | +40 | +2.7% |
| 2024 | Q3 | 589 | +27 | +1.2% |
| 2024 | Q2 | 590 | +17 | -0.9% |
| 2024 | Q1 | 572 | +13 | -0.1% |
| 2023 | Q4 | 552 | -6 | +1.1% |
| 2023 | Q3 | 562 | +9 | +3.2% |
| 2023 | Q2 | 573 | +16 | +5.2% |
See Middlesex's complete headcount history, including quarterly breakdowns.
Get the DataMiddlesex Employee Count by Region (2026)
North America accounts for the largest share of Middlesex's global workforce with approximately 100% of total employees.
Middlesex employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 580 | 100.0% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataMiddlesex Employee Count by Department (2026)
Middlesex's employee groups are Engineering (39.2%), Sales and Marketing (30.6%), and Finance and Operations (30.2%).
Middlesex employees by department
| Department | Employees | % of Total |
|---|---|---|
| Engineering | 229 | 39.2% |
| Sales and Marketing | 179 | 30.6% |
| Finance and Operations | 176 | 30.2% |
Compare Middlesex's department mix to industry peers.
See Full DataMiddlesex Employee Salary by Region (2026)
Middlesex's average employee salary is $94,382 globally. Employees in North America receive the highest compensation.
Middlesex median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $81,000 |
Unlock salary by role, level, and city — and compare to Middlesex's industry peers.
Unlock Salary DataMiddlesex Job Openings and Hiring Trends (2023-2026)
- Middlesex had 142 active job postings in 2026, a 12.7% increase (+27) from 2025.
- Middlesex had 115 active job postings in 2025, a 4.3% decline (-5) from 2024.
- Middlesex had 120 active job postings in 2024, a 15.2% increase (+17) from 2023.
- Middlesex had 103 active job postings in 2023, a 35.2% decline from 2022.
- Hiring velocity in 2026: 83 new roles/month, down from 96 in 2025 and 176 in 2024.
Middlesex's active job postings rose 12.7% in 2026 to 142, with new postings per month cooling from 265 in 2023 to 83 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataMiddlesex Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Middlesex's workforce based on public professional data. Overall sentiment is negative and has declined year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Unlock SentimentSimilar Companies
Similar Engineering and Construction Services Companies by Employee Count
Frequently Asked Questions About Middlesex
- How fast is Middlesex growing?
- In 2026, Middlesex's headcount grew 0.3% to 591 employees, up from 581 in 2025.
- See the full headcount history
- Where are Middlesex employees located?
- Most Middlesex employees are based in North America (100.0% of headcount).
- Explore where the workforce is based
- What is the average salary at Middlesex?
- The average employee salary at Middlesex is approximately $94.4k per year.
- Analyze the salary distribution
- How many new job postings does Middlesex open per year?
- In Q1 2026, Middlesex opened 250 new job postings. In 2025, Middlesex opened 1,153 new job postings — about 96 per month.
- Track hiring trends by role
- When was Middlesex founded and where is it headquartered?
- Middlesex was founded in 1972 and is headquartered in Town of Littleton, Massachusetts.
- Compare Middlesex to industry peers
Speak with a workforce expert about Middlesex.
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