How many employees work at TSL?
TSL Ltd. (United Kingdom) has approximately 1,352 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. TSL’s total headcount has grown 150.6% from 539 employees in 2023 to 1,352 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 1,352 people worldwide as of March 2026. It is the 10th-largest by headcount among its peers. Founded in 2002, the company is headquartered in Gerrards Cross, United Kingdom.
TSL's workforce has grown 150.6% from 2023 to 2026, up 8.2% year over year in 2026. Its workforce is concentrated most in the United Kingdom (39.8%), followed by Germany (17.2%) and Ireland (6.7%), with Portugal, its fastest-growing location.
TSL's largest functional groups are Finance and Operations (42.1%), Engineering (34.9%), and Sales and Marketing (23.0%), with Engineering growing fastest (up 19.6%). Median employee tenure is 1.9 years. The average salary is $74,709, ranging from a median of $86,000 in Northern America to $51,000 in Southern Europe.
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
- 1,352
- YoY
- +8.2% (+412)
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 1,352 employees in 2026, a 8.2% increase (+412) from 2025.
- TSL had 1,244 employees in 2025, a 8.3% increase (+434) from 2024.
- TSL had 810 employees in 2024, a 8.3% increase (+208) from 2023.
- TSL had 602 employees in 2023, a 4.4% increase (+105) from 2022.
TSL's total workforce has grown from 539 employees in 2023 to 1,352 in 2026.
TSL Ltd. (United Kingdom) quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 1,352 | +412 | +8.2% |
| 2025 | Q4 | 1,244 | +434 | +8.3% |
| 2025 | Q3 | 1,166 | +401 | +8.6% |
| 2025 | Q2 | 1,027 | +338 | +7.9% |
| 2025 | Q1 | 940 | +302 | +9.4% |
| 2024 | Q4 | 810 | +208 | +8.3% |
| 2024 | Q3 | 765 | +207 | +6.5% |
| 2024 | Q2 | 689 | +150 | +5.6% |
| 2024 | Q1 | 638 | +125 | +5.4% |
| 2023 | Q4 | 602 | +105 | +4.4% |
| 2023 | Q3 | 558 | +72 | +5.0% |
| 2023 | Q2 | 539 | +56 | +4.9% |
See TSL's complete headcount history, including quarterly breakdowns.
Get the DataTSL Employee Count by Country and Region (2026)
The United Kingdom accounts for the largest share of TSL's global workforce with approximately 40% of total employees, followed by Germany and Ireland. TSL's headcount in Portugal is growing fastest among its major locations, up 82.7% year over year in 2026.
TSL employees by country
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| United Kingdom | 520 | 39.8% | +5.5% |
| Germany | 225 | 17.2% | +23.0% |
| Ireland | 88 | 6.7% | +1.3% |
| Spain | 76 | 5.8% | +34.7% |
| Netherlands | 65 | 4.9% | +3.1% |
| Portugal | 58 | 4.4% | +82.7% |
| Australia | 35 | 2.6% | +45.2% |
| Belgium | 32 | 2.4% | +51.1% |
| Canada | 28 | 2.2% | +12.0% |
| India | 26 | 2.0% | +13.1% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataTSL Employee Count by Department (2026)
TSL's largest employee groups are Finance and Operations (42.1%), Engineering (34.9%), and Sales and Marketing (23.0%).
TSL employees by department
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Finance and Operations | 568 | 42.1% | +17.8% |
| Engineering | 471 | 34.9% | +19.6% |
| Sales and Marketing | 310 | 23.0% | +13.0% |
Compare TSL's department mix to industry peers.
See Full DataTSL Employee Salary by Region (2026)
TSL's average employee salary is $74,709 globally. Employees in Northern America receive the highest compensation, with median pay approximately 1.2x the global average. Pay is lowest in Southern Europe, at a median of $51,000.
TSL median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| Northern America | $86,000 |
| Pacific Islands | $82,000 |
| Western Europe | $75,000 |
| Northern Europe | $73,000 |
| Southern Europe | $51,000 |
| Eastern Europe | $36,000 |
| South-Eastern Asia | $19,000 |
| Sub-Saharan Africa | $11,000 |
| Southern America | $9,000 |
| Southern Asia | $7,000 |
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 8.2% to 1,352 employees, up from 940 in 2025.
- Where are TSL employees located?
- Most TSL employees are based in the United Kingdom (39.8% of headcount), followed by Germany and Ireland.
- What is the average salary at TSL?
- The average employee salary at TSL is approximately $74.7k per year.
- How many people does TSL hire per year?
- In 2026, TSL opened roughly 216 new roles — about 18 per month.
- When was TSL founded and where is it headquartered?
- TSL was founded in 2002 and is headquartered in Gerrards Cross, United Kingdom.
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