How many employees does TESO have?

TESO has approximately 164 total employees worldwide as of June 2026, according to Revelio Labs workforce intelligence data. TESO’s total headcount has grown 41.9% from 116 employees in 2023 to 164 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published August 2026

Is TESO hiring right now?

Yes, TESO is actively hiring. TESO had 1 active job postings in 2026, a 200.0% increase from 2025 — see job openings & hiring trends.

About TESO’s Workforce

TESO is an Information Technology Services company that employs 164 people worldwide as of June 2026. It is the 7th-largest by headcount among its peers. Founded in 2010, the company is headquartered in Ho Chi Minh City, Vietnam.

TESO's workforce has grown 41.9% from 2023 to 2026, up 29.5% year over year in 2026. It fell to a low of 108 in 2024 Q3 before recovering. Its workforce is concentrated most in Southeast Asia (77.0%), followed by Southern Europe (15.9%) and East Asia (5.0%).

TESO's functional groups are Engineering (47.8%), Finance and Operations (44.3%), and Sales and Marketing (7.9%), with Finance and Operations growing fastest (up 26.8%). The average salary is $13,624, ranging from a median of $24,000 in Southern Europe to $10,000 in Southeast Asia, down 1.1% year over year in 2026.

TESO's active job postings rose 200.0% in 2026 to 1, with new postings per month climbing from 0 in 2023 to 4 in 2026. Overall employee sentiment is neutral but declining.

Sourced from Revelio Labs workforce data.

Headquarters
Ho Chi Minh City, Vietnam
Founded
2010
Industry
Information Technology Services
Employees
164
YoY
+29.5% (+35)

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TESO Annual Employee Count (2023-2026)

Interactive chart of TESO annual worldwide employee count from 2023 to 2026.
  • TESO had 164 employees in 2026, a 29.5% increase (+35) from 2025.
  • TESO had 109 employees in 2025, a 14.3% increase (-6) from 2024.
  • TESO had 115 employees in 2024, a 13.9% increase (+1) from 2023.
  • TESO had 114 employees in 2023, a 4.9% increase (-19) from 2022.

TESO's total workforce has grown from 116 employees in 2023 to 164 in 2026.

TESO quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q2164+35+29.5%
2026Q1114-22-0.4%
2025Q4109-6+14.3%
2025Q3117+9+13.3%
2025Q2129+21+14.4%
2025Q1136+18+16.9%
2024Q4115+1+13.9%
2024Q3108-8+7.8%
2024Q2108-31+9.2%
2024Q1118-28+4.5%
2023Q4114-19+4.9%
2023Q3116-6+15.9%

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TESO Employee Count by Region (2026)

Southeast Asia accounts for the largest share of TESO's global workforce with approximately 77% of total employees, followed by Southern Europe and East Asia.

TESO employees by region

RegionEmployees% of Total
Southeast Asia12277.0%
Southern Europe2515.9%
East Asia85.0%
Western Europe32.1%

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TESO Employee Count by Department (2026)

TESO's employee groups are Engineering (47.8%), Finance and Operations (44.3%), and Sales and Marketing (7.9%).

TESO employees by department

DepartmentEmployees% of Total
Engineering7847.8%
Finance and Operations7344.3%
Sales and Marketing137.9%

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TESO Employee Salary by Region (2026)

TESO's average employee salary is $13,624 globally. Employees in Southern Europe receive the highest compensation, with median pay approximately 1.8x the global average. Pay is lowest in Southeast Asia, at a median of $10,000.

TESO median employee salary by region (USD)

RegionMedian Salary
Southern Europe$24,000
East Asia$22,000
Southeast Asia$10,000

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TESO Job Openings and Hiring Trends (2023-2026)

Interactive chart of TESO annual active job postings from 2023 to 2026.
  • TESO had 1 active job postings in 2026, a 200.0% increase (-3) from 2025.
  • TESO had 4 active job postings in 2025, a 200.0% increase (+4) from 2024.
  • TESO had 0 active job postings in 2024, a 200.0% decline (-1) from 2023.
  • TESO had 1 active job postings in 2023, a 200.0% increase from 2022.
  • Hiring velocity in 2026: 4 new roles/month, up from 1 in 2025 and 0 in 2024.

TESO's hiring is accelerating: active job postings rose 200.0% in 2026 to 1, with new postings per month climbing from 0 in 2023 to 4 in 2026.

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TESO Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across TESO's workforce based on public professional data. Overall sentiment is neutral and has declined year over year in 2026.

Overall

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Frequently Asked Questions About TESO

How fast is TESO growing?
In 2026, TESO's headcount grew 29.5% to 164 employees, up from 129 in 2025.
See the full headcount history
Where are TESO employees located?
Most TESO employees are based in Southeast Asia (77.0% of headcount), followed by Southern Europe and East Asia.
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How many people work at TESO in Southeast Asia?
About 122 people work at TESO in Southeast Asia, its largest region.
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What is the average salary at TESO?
The average employee salary at TESO is approximately $13.6k per year.
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How many new job postings does TESO open per year?
Through Q2 2026, TESO opened 21 new job postings. In 2025, TESO opened 6 new job postings — about 1 per month.
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When was TESO founded and where is it headquartered?
TESO was founded in 2010 and is headquartered in Ho Chi Minh City, Vietnam.
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