How many employees work at Interserve?
Interserve Plc has approximately 5,909 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Interserve’s total headcount has grown 5.1% from 5,624 employees in 2023 to 5,909 in 2026.
Is Interserve hiring right now?
Yes, Interserve is actively hiring. Interserve had 352 active job postings in 2026, a 100.2% increase from 2025 — see job openings & hiring trends.
About Interserve’s Workforce
Interserve Plc is an Engineering and Construction Services company that employs 5,909 people worldwide as of March 2026. It is the 7th-largest by headcount among its peers. Founded in 1884, the company is headquartered in London, United Kingdom.
Interserve's workforce has grown 5.1% from 2023 to 2026, up 0.7% year over year in 2026. Its workforce is concentrated most in Northern Europe (60.2%), followed by Arab States (26.7%) and South Asia (5.9%).
Interserve's functional groups are Finance and Operations (47.3%), Engineering (30.9%), and Sales and Marketing (21.8%), with Engineering growing fastest (up 0.6%). The average salary is $54,652, ranging from a median of $59,000 in Northern Europe to $6,000 in South Asia.
Interserve's active job postings rose 100.2% in 2026 to 352, with new postings per month climbing from 104 in 2023 to 226 in 2026. Overall employee sentiment is neutral but improving.
Sourced from Revelio Labs workforce data.
- Headquarters
- London, United Kingdom
- Founded
- 1884
- Industry
- Engineering and Construction Services
- Employees
- 5,909
- YoY
- +0.7% (+12)
As of March 2026
Interserve workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Interserve. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsInterserve Annual Employee Count (2023-2026)
- Interserve had 5,909 employees in 2026, a 0.7% increase (+12) from 2025.
- Interserve had 5,951 employees in 2025, a 0.2% decline (-93) from 2024.
- Interserve had 6,044 employees in 2024, a 1.2% increase (+307) from 2023.
- Interserve had 5,737 employees in 2023, a 0.6% increase (+154) from 2022.
Interserve's total workforce has grown from 5,624 employees in 2023 to 5,909 in 2026.
Interserve Plc quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 5,909 | +12 | +0.7% |
| 2025 | Q4 | 5,951 | -93 | -0.2% |
| 2025 | Q3 | 5,969 | -581 | -4.9% |
| 2025 | Q2 | 5,924 | +47 | -0.4% |
| 2025 | Q1 | 5,897 | +135 | +0.1% |
| 2024 | Q4 | 6,044 | +307 | +1.2% |
| 2024 | Q3 | 6,550 | +829 | +5.8% |
| 2024 | Q2 | 5,877 | +253 | +0.8% |
| 2024 | Q1 | 5,762 | +143 | +0.4% |
| 2023 | Q4 | 5,737 | +154 | +0.6% |
| 2023 | Q3 | 5,721 | +65 | +0.3% |
| 2023 | Q2 | 5,624 | -85 | -0.2% |
See Interserve's complete headcount history, including quarterly breakdowns.
Get the DataInterserve Employee Count by Region (2026)
Northern Europe accounts for the largest share of Interserve's global workforce with approximately 60% of total employees, followed by Arab States and South Asia.
Interserve employees by region
| Region | Employees | % of Total |
|---|---|---|
| Northern Europe | 3,483 | 60.2% |
| Arab States | 1,546 | 26.7% |
| South Asia | 341 | 5.9% |
| Southern Europe | 149 | 2.6% |
| Pacific Islands | 102 | 1.8% |
| North America | 68 | 1.2% |
| Sub-Saharan Africa | 31 | 0.5% |
| Southeast Asia | 22 | 0.4% |
| Western Europe | 22 | 0.4% |
| South America | 19 | 0.3% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataInterserve Employee Count by Department (2026)
Interserve's employee groups are Finance and Operations (47.3%), Engineering (30.9%), and Sales and Marketing (21.8%).
Interserve employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 2,777 | 47.3% |
| Engineering | 1,819 | 30.9% |
| Sales and Marketing | 1,281 | 21.8% |
Compare Interserve's department mix to industry peers.
See Full DataInterserve Employee Salary by Region (2026)
Interserve's average employee salary is $54,652 globally. Employees in Northern Europe receive the highest compensation. Pay is lowest in South Asia, at a median of $6,000.
Interserve median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| Western Europe | $70,000 |
| North America | $62,000 |
| Northern Europe | $59,000 |
| Pacific Islands | $57,000 |
| Arab States | $35,000 |
| Southern Europe | $22,000 |
| Sub-Saharan Africa | $15,000 |
| South America | $12,000 |
| Southeast Asia | $7,000 |
| South Asia | $6,000 |
Unlock salary by role, level, and city — and compare to Interserve's industry peers.
Unlock Salary DataInterserve Job Openings and Hiring Trends (2023-2026)
- Interserve had 352 active job postings in 2026, a 100.2% increase (+153) from 2025.
- Interserve had 199 active job postings in 2025, a 12.3% decline (-26) from 2024.
- Interserve had 225 active job postings in 2024, a 41.3% increase (+77) from 2023.
- Interserve had 148 active job postings in 2023, a 71.6% increase from 2022.
- Hiring velocity in 2026: 226 new roles/month, up from 128 in 2025 and 112 in 2024.
Interserve's hiring is accelerating: active job postings rose 100.2% in 2026 to 352, with new postings per month climbing from 104 in 2023 to 226 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataInterserve Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Interserve'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.
Unlock SentimentSimilar Companies
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Frequently Asked Questions About Interserve
- How fast is Interserve growing?
- In 2026, Interserve's headcount grew 0.7% to 5,909 employees, up from 5,897 in 2025.
- See the full headcount history
- Where are Interserve employees located?
- Most Interserve employees are based in Northern Europe (60.2% of headcount), followed by Arab States and South Asia.
- Explore where the workforce is based
- What is the average salary at Interserve?
- The average employee salary at Interserve is approximately $54.7k per year.
- Analyze the salary distribution
- How many new job postings does Interserve open per year?
- In Q1 2026, Interserve opened 677 new job postings. In 2025, Interserve opened 1,541 new job postings — about 128 per month.
- Track hiring trends by role
- When was Interserve founded and where is it headquartered?
- Interserve was founded in 1884 and is headquartered in London, United Kingdom.
- Compare Interserve to industry peers
Speak with a workforce expert about Interserve.
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