How many employees work at ISG?
ISG Ltd. has approximately 2,266 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. ISG’s total headcount has declined 60.1% from 5,678 employees in 2023 to 2,266 in 2026.
Is ISG hiring right now?
Yes, ISG is actively hiring. ISG had 93 active job postings in 2026, a 77.6% increase from 2025 — see job openings & hiring trends.
About ISG’s Workforce
ISG Ltd. is an Engineering and Construction Services company that employs 2,266 people worldwide as of March 2026. It is the 10th-largest by headcount among its peers. Founded in 1989, the company is headquartered in London, United Kingdom.
ISG's workforce has declined 60.1% from 2023 to 2026, down 0.6% year over year in 2026. It fell to a low of 2,245 in 2025 Q2 before recovering. Its workforce is concentrated most in Northern Europe (37.2%), followed by Southeast Asia (21.3%) and East Asia (13.9%).
ISG's functional groups are Finance and Operations (41.6%), Engineering (38.1%), and Sales and Marketing (20.3%), with Finance and Operations growing fastest (up 2.2%). The average salary is $59,463, ranging from a median of $80,000 in Northern Europe to $7,000 in South Asia, down 6.7% year over year in 2026.
ISG's active job postings rose 77.6% in 2026 to 93, with new postings per month cooling from 124 in 2023 to 19 in 2026. Overall employee sentiment is neutral and broadly stable.
Sourced from Revelio Labs workforce data.
- Headquarters
- London, United Kingdom
- Founded
- 1989
- Industry
- Engineering and Construction Services
- Employees
- 2,266
- YoY
- -0.6% (+1)
As of March 2026
ISG workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for ISG. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsISG Annual Employee Count (2023-2026)
- ISG had 2,266 employees in 2026, a 0.6% decline (+1) from 2025.
- ISG had 2,256 employees in 2025, a 1.9% decline (-95) from 2024.
- ISG had 2,351 employees in 2024, a 17.9% decline (-3,153) from 2023.
- ISG had 5,504 employees in 2023, a 0.3% decline (-35) from 2022.
ISG's total workforce has grown from 2,245 employees in 2025 to 2,266 in 2026. ISG's headcount peaked at 5,678 in 2023 before declining in 2025 and recovering through 2026.
ISG Ltd. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 2,266 | +1 | -0.6% |
| 2025 | Q4 | 2,256 | -95 | -1.9% |
| 2025 | Q3 | 2,257 | -716 | -3.6% |
| 2025 | Q2 | 2,245 | -3,102 | -19.3% |
| 2025 | Q1 | 2,265 | -3,152 | -19.5% |
| 2024 | Q4 | 2,351 | -3,153 | -17.9% |
| 2024 | Q3 | 2,973 | -2,679 | -16.0% |
| 2024 | Q2 | 5,347 | -331 | -0.4% |
| 2024 | Q1 | 5,417 | -202 | +0.5% |
| 2023 | Q4 | 5,504 | -35 | -0.3% |
| 2023 | Q3 | 5,652 | +209 | +0.8% |
| 2023 | Q2 | 5,678 | +429 | +1.8% |
See ISG's complete headcount history, including quarterly breakdowns.
Get the DataISG Employee Count by Region (2026)
Northern Europe accounts for the largest share of ISG's global workforce with approximately 37% of total employees, followed by Southeast Asia and East Asia.
ISG employees by region
| Region | Employees | % of Total |
|---|---|---|
| Northern Europe | 834 | 37.2% |
| Southeast Asia | 478 | 21.3% |
| East Asia | 312 | 13.9% |
| Western Europe | 180 | 8.0% |
| South Asia | 132 | 5.9% |
| Central and Western Asia | 66 | 2.9% |
| Southern Europe | 54 | 2.4% |
| Pacific Islands | 46 | 2.0% |
| Arab States | 41 | 1.8% |
| North America | 40 | 1.8% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataISG Employee Count by Department (2026)
ISG's employee groups are Finance and Operations (41.6%), Engineering (38.1%), and Sales and Marketing (20.3%).
ISG employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 932 | 41.6% |
| Engineering | 854 | 38.1% |
| Sales and Marketing | 455 | 20.3% |
Compare ISG's department mix to industry peers.
See Full DataISG Employee Salary by Region (2026)
ISG's average employee salary is $59,463 globally. Employees in Northern Europe receive the highest compensation, with median pay approximately 1.3x the global average. Pay is lowest in South Asia, at a median of $7,000.
ISG median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $82,000 |
| Northern Europe | $80,000 |
| Western Europe | $79,000 |
| Pacific Islands | $71,000 |
| Southern Europe | $49,000 |
| East Asia | $46,000 |
| Arab States | $42,000 |
| Eastern Europe | $27,000 |
| Central and Western Asia | $21,000 |
| Southeast Asia | $21,000 |
| Sub-Saharan Africa | $18,000 |
| North Africa | $16,000 |
| South America | $9,000 |
| South Asia | $7,000 |
Unlock salary by role, level, and city — and compare to ISG's industry peers.
Unlock Salary DataISG Job Openings and Hiring Trends (2023-2026)
- ISG had 93 active job postings in 2026, a 77.6% increase (-14) from 2025.
- ISG had 107 active job postings in 2025, a 54.8% increase (+46) from 2024.
- ISG had 61 active job postings in 2024, a 102.8% decline (-129) from 2023.
- ISG had 190 active job postings in 2023, a 36.6% decline from 2022.
- Hiring velocity in 2026: 19 new roles/month, down from 34 in 2025 and 82 in 2024.
ISG's active job postings rose 77.6% in 2026 to 93, with new postings per month cooling from 124 in 2023 to 19 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataISG Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across ISG's workforce based on public professional data. Overall sentiment is neutral and has held steady year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Unlock SentimentSimilar Companies
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Frequently Asked Questions About ISG
- How fast is ISG growing?
- In 2026, ISG's headcount shrank 0.6% to 2,266 employees, up from 2,265 in 2025.
- See the full headcount history
- Where are ISG employees located?
- Most ISG employees are based in Northern Europe (37.2% of headcount), followed by Southeast Asia and East Asia.
- Explore where the workforce is based
- What is the average salary at ISG?
- The average employee salary at ISG is approximately $59.5k per year.
- Analyze the salary distribution
- How many new job postings does ISG open per year?
- In Q1 2026, ISG opened 58 new job postings. In 2025, ISG opened 407 new job postings — about 34 per month.
- Track hiring trends by role
- When was ISG founded and where is it headquartered?
- ISG was founded in 1989 and is headquartered in London, United Kingdom.
- Compare ISG to industry peers
Speak with a workforce expert about ISG.
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