How many employees work at TSL?
TSL Ltd. (United Kingdom) has approximately 1,425 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. TSL’s total headcount has grown 137.7% from 600 employees in 2023 to 1,425 in 2026.
Is TSL hiring right now?
Yes, TSL is actively hiring. TSL had 26 active job postings in 2026, a 36.4% increase from 2025 — see job openings & hiring trends.
About TSL’s Workforce
TSL Ltd. (United Kingdom) is an Engineering and Construction Services company that employs 1,425 people worldwide as of March 2026. It is the 9th-largest by headcount among its peers. Founded in 2002, the company is headquartered in Gerrards Cross, United Kingdom.
TSL's workforce has grown 137.7% from 2023 to 2026, up 8.1% year over year in 2026. Its workforce is concentrated most in Northern Europe (46.1%), followed by Western Europe (26.2%) and Southern Europe (11.2%).
TSL's functional groups are Finance and Operations (42.1%), Engineering (35.1%), and Sales and Marketing (22.8%), with Engineering growing fastest (up 18.4%). The average salary is $72,629, ranging from a median of $85,000 in North America to $50,000 in Southern Europe, down 0.7% year over year in 2026.
TSL's active job postings rose 36.4% in 2026 to 26, with new postings per month cooling from 25 in 2023 to 18 in 2026. Overall employee sentiment is negative and declining.
Sourced from Revelio Labs workforce data.
- Headquarters
- Gerrards Cross, United Kingdom
- Founded
- 2002
- Industry
- Engineering and Construction Services
- Employees
- 1,425
- YoY
- +8.1% (+423)
As of March 2026
TSL workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for TSL. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsTSL Annual Employee Count (2023-2026)
- TSL had 1,425 employees in 2026, a 8.1% increase (+423) from 2025.
- TSL had 1,306 employees in 2025, a 8.2% increase (+436) from 2024.
- TSL had 870 employees in 2024, a 7.5% increase (+211) from 2023.
- TSL had 659 employees in 2023, a 4.1% increase (+103) from 2022.
TSL's total workforce has grown from 600 employees in 2023 to 1,425 in 2026.
TSL Ltd. (United Kingdom) quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 1,425 | +423 | +8.1% |
| 2025 | Q4 | 1,306 | +436 | +8.2% |
| 2025 | Q3 | 1,232 | +409 | +8.4% |
| 2025 | Q2 | 1,092 | +346 | +7.8% |
| 2025 | Q1 | 1,002 | +306 | +8.9% |
| 2024 | Q4 | 870 | +211 | +7.5% |
| 2024 | Q3 | 823 | +205 | +6.3% |
| 2024 | Q2 | 746 | +146 | +5.4% |
| 2024 | Q1 | 696 | +124 | +5.0% |
| 2023 | Q4 | 659 | +103 | +4.1% |
| 2023 | Q3 | 618 | +75 | +4.2% |
| 2023 | Q2 | 600 | +60 | +4.1% |
See TSL's complete headcount history, including quarterly breakdowns.
Get the DataTSL Employee Count by Region (2026)
Northern Europe accounts for the largest share of TSL's global workforce with approximately 46% of total employees, followed by Western Europe and Southern Europe.
TSL employees by region
| Region | Employees | % of Total |
|---|---|---|
| Northern Europe | 639 | 46.1% |
| Western Europe | 363 | 26.2% |
| Southern Europe | 155 | 11.2% |
| North America | 54 | 3.9% |
| Pacific Islands | 50 | 3.6% |
| South Asia | 46 | 3.3% |
| Sub-Saharan Africa | 30 | 2.2% |
| South America | 14 | 1.0% |
| Eastern Europe | 12 | 0.9% |
| Southeast Asia | 12 | 0.9% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataTSL Employee Count by Department (2026)
TSL's employee groups are Finance and Operations (42.1%), Engineering (35.1%), and Sales and Marketing (22.8%).
TSL employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 599 | 42.1% |
| Engineering | 499 | 35.1% |
| Sales and Marketing | 324 | 22.8% |
Compare TSL's department mix to industry peers.
See Full DataTSL Employee Salary by Region (2026)
TSL's average employee salary is $72,629 globally. Employees in North America receive the highest compensation, with median pay approximately 1.2x the global average. Pay is lowest in Southern Europe, at a median of $50,000.
TSL median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $85,000 |
| Pacific Islands | $77,000 |
| Western Europe | $75,000 |
| Northern Europe | $72,000 |
| Southern Europe | $50,000 |
| Eastern Europe | $35,000 |
| Southeast Asia | $20,000 |
| Sub-Saharan Africa | $9,000 |
| South America | $9,000 |
| South Asia | $6,000 |
Unlock salary by role, level, and city — and compare to TSL's industry peers.
Unlock Salary DataTSL Job Openings and Hiring Trends (2023-2026)
- TSL had 26 active job postings in 2026, a 36.4% increase (+1) from 2025.
- TSL had 25 active job postings in 2025, a 52.9% decline (-18) from 2024.
- TSL had 43 active job postings in 2024, a 64.6% increase (+21) from 2023.
- TSL had 22 active job postings in 2023, a 31.6% increase from 2022.
- Hiring velocity in 2026: 18 new roles/month, down from 20 in 2025 and 16 in 2024.
TSL's active job postings rose 36.4% in 2026 to 26, with new postings per month cooling from 25 in 2023 to 18 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataTSL Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across TSL'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
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Frequently Asked Questions About TSL
- How fast is TSL growing?
- In 2026, TSL's headcount grew 8.1% to 1,425 employees, up from 1,002 in 2025.
- See the full headcount history
- Where are TSL employees located?
- Most TSL employees are based in Northern Europe (46.1% of headcount), followed by Western Europe and Southern Europe.
- Explore where the workforce is based
- What is the average salary at TSL?
- The average employee salary at TSL is approximately $72.6k per year.
- Analyze the salary distribution
- How many new job postings does TSL open per year?
- In Q1 2026, TSL opened 55 new job postings. In 2025, TSL opened 241 new job postings — about 20 per month.
- Track hiring trends by role
- When was TSL founded and where is it headquartered?
- TSL was founded in 2002 and is headquartered in Gerrards Cross, United Kingdom.
- Compare TSL to industry peers
Speak with a workforce expert about TSL.
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