How many employees work at Mastra?
Kepler Software, Inc. has approximately 45 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Mastra’s total headcount has grown 4216.5% from 1 employees in 2023 to 45 in 2026.
Is Mastra hiring right now?
No, Mastra is not actively hiring. Mastra had 0 active job postings in 2026, a 0.0% no change from 2025 — see job openings & hiring trends.
About Mastra’s Workforce
Kepler Software, Inc. is an Information Technology Services company that employs 45 people worldwide as of March 2026. It is the 7th-largest by headcount among its peers. Founded in 2024, the company is headquartered in San Francisco, California.
Mastra's workforce has grown 4216.5% from 2023 to 2026, up 19.5% year over year in 2026. Its workforce is concentrated most in North America (74.9%), followed by Northern Europe (9.4%) and Western Europe (8.5%).
Mastra's functional groups are Engineering (52.4%), Sales and Marketing (28.2%), and Finance and Operations (19.3%), with Sales and Marketing growing fastest (up 42.3%). The average salary is $126,274, ranging from a median of $169,000 in Western Europe to $90,000 in Northern Europe, down 6.0% year over year in 2026.
Mastra's hiring activity held steady in 2026.
Sourced from Revelio Labs workforce data.
- Headquarters
- San Francisco, California
- Founded
- 2024
- Industry
- Information Technology Services
- Employees
- 45
- YoY
- +19.5% (+22)
As of March 2026
Mastra workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Mastra. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsMastra Annual Employee Count (2023-2026)
- Mastra had 45 employees in 2026, a 19.5% increase (+22) from 2025.
- Mastra had 42 employees in 2025, a 18.9% increase (+24) from 2024.
- Mastra had 18 employees in 2024, a 18.5% increase (+12) from 2023.
- Mastra had 6 employees in 2023, a 36.7% increase (+5) from 2022.
Mastra's total workforce has grown from 1 employees in 2023 to 45 in 2026.
Kepler Software, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 45 | +22 | +19.5% |
| 2025 | Q4 | 42 | +24 | +18.9% |
| 2025 | Q3 | 40 | +24 | +16.7% |
| 2025 | Q2 | 35 | +20 | +13.3% |
| 2025 | Q1 | 23 | +11 | -1.6% |
| 2024 | Q4 | 18 | +12 | +18.5% |
| 2024 | Q3 | 16 | +13 | +35.8% |
| 2024 | Q2 | 15 | +14 | +59.7% |
| 2024 | Q1 | 12 | +11 | +56.0% |
| 2023 | Q4 | 6 | +5 | +36.7% |
| 2023 | Q3 | 3 | +2 | +0.0% |
| 2023 | Q2 | 1 | +0 | +0.0% |
See Mastra's complete headcount history, including quarterly breakdowns.
Get the DataMastra Employee Count by Region (2026)
North America accounts for the largest share of Mastra's global workforce with approximately 75% of total employees, followed by Northern Europe and Western Europe.
Mastra employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 28 | 74.9% |
| Northern Europe | 3 | 9.4% |
| Western Europe | 3 | 8.5% |
| Eastern Europe | 2 | 4.3% |
| Southeast Asia | 1 | 2.9% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataMastra Employee Count by Department (2026)
Mastra's employee groups are Engineering (52.4%), Sales and Marketing (28.2%), and Finance and Operations (19.3%).
Mastra employees by department
| Department | Employees | % of Total |
|---|---|---|
| Engineering | 24 | 52.4% |
| Sales and Marketing | 13 | 28.2% |
| Finance and Operations | 9 | 19.3% |
Compare Mastra's department mix to industry peers.
See Full DataMastra Employee Salary by Region (2026)
Mastra's average employee salary is $126,274 globally. Employees in Western Europe receive the highest compensation, with median pay approximately 1.3x the global average. Pay is lowest in Northern Europe, at a median of $90,000.
Mastra median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| Western Europe | $169,000 |
| North America | $128,000 |
| Northern Europe | $90,000 |
Unlock salary by role, level, and city — and compare to Mastra's industry peers.
Unlock Salary DataMastra Job Openings and Hiring Trends (2023-2026)
- Mastra had 0 active job postings in 2026, a 0% no change from 2025.
- Mastra had 0 active job postings in 2025, a 0% no change from 2024.
- Mastra had 0 active job postings in 2024, a 200.0% decline (-1) from 2023.
- Mastra had 1 active job postings in 2023, a 200.0% increase from 2022.
- Hiring velocity in 2026: 0 new roles/month, up from 0 in 2025 and 0 in 2024.
Mastra's hiring activity held steady 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 Mastra
- How fast is Mastra growing?
- In 2026, Mastra's headcount grew 19.5% to 45 employees, up from 23 in 2025.
- See the full headcount history
- Where are Mastra employees located?
- Most Mastra employees are based in North America (74.9% of headcount), followed by Northern Europe and Western Europe.
- Explore where the workforce is based
- What is the average salary at Mastra?
- The average employee salary at Mastra is approximately $126.3k per year.
- Analyze the salary distribution
- How many new job postings does Mastra open per year?
- In Q1 2026, Mastra opened 0 new job postings. In 2025, Mastra opened 0 new job postings — about 0 per month.
- Track hiring trends by role
- When was Mastra founded and where is it headquartered?
- Mastra was founded in 2024 and is headquartered in San Francisco, California.
- Compare Mastra to industry peers
Speak with a workforce expert about Mastra.
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