How many employees work at Inside Source?
The Inside Source, Inc. has approximately 490 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Inside Source’s total headcount has grown 1.1% from 484 employees in 2023 to 490 in 2026.
Is Inside Source hiring right now?
Yes, Inside Source is actively hiring. Inside Source had 46 active job postings in 2026, a 48.6% increase from 2025 — see job openings & hiring trends.
About Inside Source’s Workforce
The Inside Source, Inc. is an Engineering and Construction Services company that employs 490 people worldwide as of March 2026. It is the 9th-largest by headcount among its peers. Founded in 1991, the company is headquartered in San Carlos, California.
Inside Source's workforce has grown 1.1% from 2023 to 2026, though it is down 0.6% year over year in 2026. It fell to a low of 455 in 2025 Q2 before recovering. Its workforce is concentrated most in North America (94.1%), followed by Northern Europe (1.9%) and Southeast Asia (1.7%).
Inside Source's functional groups are Finance and Operations (40.3%), Sales and Marketing (34.8%), and Engineering (24.9%), with Engineering growing fastest (up 10.4%). The average salary is $96,655, ranging from a median of $89,000 in North America to $23,000 in South Asia.
Inside Source's active job postings rose 48.6% in 2026 to 46, with new postings per month climbing from 12 in 2023 to 17 in 2026. Overall employee sentiment is neutral but improving.
Sourced from Revelio Labs workforce data.
- Headquarters
- San Carlos, California
- Founded
- 1991
- Industry
- Engineering and Construction Services
- Employees
- 490
- YoY
- -0.6% (+32)
As of March 2026
Inside Source workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Inside Source. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsInside Source Annual Employee Count (2023-2026)
- Inside Source had 490 employees in 2026, a 0.6% decline (+32) from 2025.
- Inside Source had 474 employees in 2025, a 3.3% decline (-8) from 2024.
- Inside Source had 482 employees in 2024, a 1.1% increase (-3) from 2023.
- Inside Source had 485 employees in 2023, a 0.3% decline (-7) from 2022.
Inside Source's total workforce has grown from 455 employees in 2025 to 490 in 2026. Inside Source's headcount peaked at 496 in 2023 before declining in 2025 and recovering through 2026.
The Inside Source, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 490 | +32 | -0.6% |
| 2025 | Q4 | 474 | -8 | -3.3% |
| 2025 | Q3 | 464 | -16 | -2.9% |
| 2025 | Q2 | 455 | -29 | -4.2% |
| 2025 | Q1 | 458 | -36 | -3.1% |
| 2024 | Q4 | 482 | -3 | +1.1% |
| 2024 | Q3 | 480 | -16 | -1.2% |
| 2024 | Q2 | 484 | +0 | -0.5% |
| 2024 | Q1 | 494 | +10 | +0.4% |
| 2023 | Q4 | 485 | -7 | -0.3% |
| 2023 | Q3 | 496 | +4 | +1.4% |
| 2023 | Q2 | 484 | +0 | +0.7% |
See Inside Source's complete headcount history, including quarterly breakdowns.
Get the DataInside Source Employee Count by Region (2026)
North America accounts for the largest share of Inside Source's global workforce with approximately 94% of total employees, followed by Northern Europe and Southeast Asia.
Inside Source employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 457 | 94.1% |
| Northern Europe | 9 | 1.9% |
| Southeast Asia | 8 | 1.7% |
| South Asia | 5 | 1.1% |
| Southern Europe | 2 | 0.3% |
| Arab States | 2 | 0.3% |
| Sub-Saharan Africa | 1 | 0.3% |
| North Africa | 1 | 0.2% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataInside Source Employee Count by Department (2026)
Inside Source's employee groups are Finance and Operations (40.3%), Sales and Marketing (34.8%), and Engineering (24.9%).
Inside Source employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 198 | 40.3% |
| Sales and Marketing | 170 | 34.8% |
| Engineering | 122 | 24.9% |
Compare Inside Source's department mix to industry peers.
See Full DataInside Source Employee Salary by Region (2026)
Inside Source's average employee salary is $96,655 globally. Employees in North America receive the highest compensation. Pay is lowest in South Asia, at a median of $23,000.
Inside Source median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $89,000 |
| Northern Europe | $46,000 |
| Southeast Asia | $24,000 |
| South Asia | $23,000 |
Unlock salary by role, level, and city — and compare to Inside Source's industry peers.
Unlock Salary DataInside Source Job Openings and Hiring Trends (2023-2026)
- Inside Source had 46 active job postings in 2026, a 48.6% increase (+6) from 2025.
- Inside Source had 40 active job postings in 2025, a 31.9% increase (+11) from 2024.
- Inside Source had 29 active job postings in 2024, a 151.5% increase (+25) from 2023.
- Inside Source had 4 active job postings in 2023, a 133.3% decline from 2022.
- Hiring velocity in 2026: 17 new roles/month, up from 15 in 2025 and 10 in 2024.
Inside Source's hiring is accelerating: active job postings rose 48.6% in 2026 to 46, with new postings per month climbing from 12 in 2023 to 17 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataInside Source Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Inside Source's workforce based on public professional data. Overall sentiment is neutral and has improved 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 Inside Source
- How fast is Inside Source growing?
- In 2026, Inside Source's headcount shrank 0.6% to 490 employees, up from 458 in 2025.
- See the full headcount history
- Where are Inside Source employees located?
- Most Inside Source employees are based in North America (94.1% of headcount), followed by Northern Europe and Southeast Asia.
- Explore where the workforce is based
- What is the average salary at Inside Source?
- The average employee salary at Inside Source is approximately $96.7k per year.
- Analyze the salary distribution
- How many new job postings does Inside Source open per year?
- In Q1 2026, Inside Source opened 51 new job postings. In 2025, Inside Source opened 185 new job postings — about 15 per month.
- Track hiring trends by role
- When was Inside Source founded and where is it headquartered?
- Inside Source was founded in 1991 and is headquartered in San Carlos, California.
- Compare Inside Source to industry peers
Speak with a workforce expert about Inside Source.
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