How many employees work at Sei Labs?
Sei Labs, Inc. has approximately 99 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Sei Labs’s total headcount has declined 7.7% from 107 employees in 2023 to 99 in 2026.
Is Sei Labs hiring right now?
Yes, Sei Labs is actively hiring. Sei Labs had 19 active job postings in 2026, a 145.5% increase from 2025 — see job openings & hiring trends.
About Sei Labs’s Workforce
Sei Labs, Inc. is an Information Technology Services company that employs 99 people worldwide as of March 2026. It is the 9th-largest by headcount among its peers. Founded in 2021, the company is headquartered in Arlington, Virginia.
Sei Labs's workforce has declined 7.7% from 2023 to 2026, down 0.3% year over year in 2026. It fell to a low of 93 in 2025 Q1 before recovering. Its workforce is concentrated most in North America (38.5%), followed by South America (31.1%) and Eastern Europe (7.9%).
Sei Labs's functional groups are Finance and Operations (42.1%), Engineering (39.8%), and Sales and Marketing (18.0%), with Engineering growing fastest (up 8.2%). The average salary is $75,088, ranging from a median of $151,000 in North America to $9,000 in Sub-Saharan Africa, up 15.5% year over year in 2026.
Sei Labs's active job postings rose 145.5% in 2026 to 19, with new postings per month climbing from 4 in 2023 to 6 in 2026.
Sourced from Revelio Labs workforce data.
- Headquarters
- Arlington, Virginia
- Founded
- 2021
- Industry
- Information Technology Services
- Employees
- 99
- YoY
- -0.3% (+6)
As of March 2026
Sei Labs workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Sei Labs. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsSei Labs Annual Employee Count (2023-2026)
- Sei Labs had 99 employees in 2026, a 0.3% decline (+6) from 2025.
- Sei Labs had 99 employees in 2025, a 1.1% increase (+3) from 2024.
- Sei Labs had 96 employees in 2024, a 4.6% decline (-7) from 2023.
- Sei Labs had 103 employees in 2023, a 2.4% decline (+12) from 2022.
Sei Labs's total workforce has grown from 93 employees in 2025 to 99 in 2026. Sei Labs's headcount peaked at 107 in 2023 before declining in 2025 and recovering through 2026.
Sei Labs, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 99 | +6 | -0.3% |
| 2025 | Q4 | 99 | +3 | +1.1% |
| 2025 | Q3 | 103 | +8 | +1.2% |
| 2025 | Q2 | 100 | +5 | +1.8% |
| 2025 | Q1 | 93 | -9 | -1.1% |
| 2024 | Q4 | 96 | -7 | -4.6% |
| 2024 | Q3 | 95 | -11 | -8.9% |
| 2024 | Q2 | 95 | -12 | -12.3% |
| 2024 | Q1 | 102 | +3 | -8.8% |
| 2023 | Q4 | 103 | +12 | -2.4% |
| 2023 | Q3 | 106 | +26 | +9.3% |
| 2023 | Q2 | 107 | +39 | +19.6% |
See Sei Labs's complete headcount history, including quarterly breakdowns.
Get the DataSei Labs Employee Count by Region (2026)
North America accounts for the largest share of Sei Labs's global workforce with approximately 39% of total employees, followed by South America and Eastern Europe.
Sei Labs employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 37 | 38.5% |
| South America | 30 | 31.1% |
| Eastern Europe | 8 | 7.9% |
| Sub-Saharan Africa | 6 | 5.9% |
| Southern Europe | 4 | 4.2% |
| East Asia | 2 | 2.5% |
| Northern Europe | 2 | 2.2% |
| Southeast Asia | 2 | 2.2% |
| North Africa | 2 | 1.7% |
| Western Europe | 1 | 1.3% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataSei Labs Employee Count by Department (2026)
Sei Labs's employee groups are Finance and Operations (42.1%), Engineering (39.8%), and Sales and Marketing (18.0%).
Sei Labs employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 38 | 42.1% |
| Engineering | 36 | 39.8% |
| Sales and Marketing | 16 | 18.0% |
Compare Sei Labs's department mix to industry peers.
See Full DataSei Labs Employee Salary by Region (2026)
Sei Labs's average employee salary is $75,088 globally. Employees in North America receive the highest compensation, with median pay approximately 2.0x the global average. Pay is lowest in Sub-Saharan Africa, at a median of $9,000.
Sei Labs median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $151,000 |
| Southern Europe | $84,000 |
| Eastern Europe | $13,000 |
| South America | $10,000 |
| Sub-Saharan Africa | $9,000 |
Unlock salary by role, level, and city — and compare to Sei Labs's industry peers.
Unlock Salary DataSei Labs Job Openings and Hiring Trends (2023-2026)
- Sei Labs had 19 active job postings in 2026, a 145.5% increase (+8) from 2025.
- Sei Labs had 11 active job postings in 2025, a 114.3% increase (+8) from 2024.
- Sei Labs had 3 active job postings in 2024, a 80.0% decline (-4) from 2023.
- Sei Labs had 7 active job postings in 2023, a 15.4% increase from 2022.
- Hiring velocity in 2026: 6 new roles/month, up from 3 in 2025 and 4 in 2024.
Sei Labs's hiring is accelerating: active job postings rose 145.5% in 2026 to 19, with new postings per month climbing from 4 in 2023 to 6 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataSimilar Companies
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Frequently Asked Questions About Sei Labs
- How fast is Sei Labs growing?
- In 2026, Sei Labs's headcount shrank 0.3% to 99 employees, up from 93 in 2025.
- See the full headcount history
- Where are Sei Labs employees located?
- Most Sei Labs employees are based in North America (38.5% of headcount), followed by South America and Eastern Europe.
- Explore where the workforce is based
- What is the average salary at Sei Labs?
- The average employee salary at Sei Labs is approximately $75.1k per year.
- Analyze the salary distribution
- How many new job postings does Sei Labs open per year?
- In Q1 2026, Sei Labs opened 17 new job postings. In 2025, Sei Labs opened 39 new job postings — about 3 per month.
- Track hiring trends by role
- When was Sei Labs founded and where is it headquartered?
- Sei Labs was founded in 2021 and is headquartered in Arlington, Virginia.
- Compare Sei Labs to industry peers
Speak with a workforce expert about Sei Labs.
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