How many employees work at Castlight Health?
Castlight Health, Inc. has approximately 407 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Castlight Health’s total headcount has declined 19.7% from 507 employees in 2023 to 407 in 2026.
Is Castlight Health hiring right now?
Yes, Castlight Health is actively hiring. Castlight Health had 167 active job postings in 2026, a 81.9% increase from 2025 — see job openings & hiring trends.
About Castlight Health’s Workforce
Castlight Health, Inc. is a Biotech and Healthcare Services company that employs 407 people worldwide as of March 2026. It is the 10th-largest by headcount among its peers. Founded in 2008, the company is headquartered in Seattle, Washington.
Castlight Health's workforce has declined 19.7% from 2023 to 2026, down 5.7% year over year in 2026. It fell to a low of 407 in 2026 Q1 before recovering. Its workforce is concentrated most in the United States (51.4%), followed by India (41.8%) and Canada (1.2%), with Canada, its fastest-growing location.
Castlight Health's largest functional groups are Finance and Operations (42.3%), Engineering (39.2%), and Sales and Marketing (18.5%), with Engineering growing fastest (up 2.6%). Median employee tenure is 3.1 years. The average salary is $84,725, ranging from a median of $122,000 in Northern America to $22,000 in Southern America.
Castlight Health's active job postings rose 81.9% in 2026 to 167, with new postings per month climbing from 0 in 2023 to 220 in 2026. Overall employee sentiment is negative and declining.
Sourced from Revelio Labs workforce data.
As of March 2026
Castlight Health workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Castlight Health. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsCastlight Health Annual Employee Count (2023-2026)
- Castlight Health had 407 employees in 2026, a 5.7% decline (-37) from 2025.
- Castlight Health had 418 employees in 2025, a 3.8% decline (-29) from 2024.
- Castlight Health had 447 employees in 2024, a 4.0% decline (-28) from 2023.
- Castlight Health had 475 employees in 2023, a 6.3% decline (-93) from 2022.
Castlight Health's total workforce has declined from 507 employees in 2023 to 407 in 2026.
Castlight Health, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 407 | -37 | -5.7% |
| 2025 | Q4 | 418 | -29 | -3.8% |
| 2025 | Q3 | 428 | -34 | -4.4% |
| 2025 | Q2 | 433 | -24 | -2.8% |
| 2025 | Q1 | 444 | -20 | -3.3% |
| 2024 | Q4 | 447 | -28 | -4.0% |
| 2024 | Q3 | 462 | -26 | -3.5% |
| 2024 | Q2 | 457 | -50 | -4.6% |
| 2024 | Q1 | 464 | -60 | -3.0% |
| 2023 | Q4 | 475 | -93 | -6.3% |
| 2023 | Q3 | 488 | -100 | -4.8% |
| 2023 | Q2 | 507 | -110 | -4.0% |
See Castlight Health's complete headcount history, including quarterly breakdowns.
Get the DataCastlight Health Employee Count by Country and Region (2026)
The United States accounts for the largest share of Castlight Health's global workforce with approximately 51% of total employees, followed by India and Canada.
Castlight Health employees by country
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| United States | 206 | 51.4% | -3.3% |
| India | 167 | 41.8% | -5.5% |
| Canada | 5 | 1.2% | +0.0% |
| Mexico | 3 | 0.8% | +0.0% |
| China | 2 | 0.6% | +0.0% |
| Brazil | 2 | 0.5% | +0.0% |
| France | 2 | 0.4% | +0.0% |
| Turkey | 1 | 0.4% | +0.0% |
| Uruguay | 1 | 0.4% | +0.0% |
| Romania | 1 | 0.3% | +0.0% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataCastlight Health Employee Count by Department (2026)
- Finance and Operations42.3%
- Engineering39.2%
- Sales and Marketing18.5%
Castlight Health's largest employee groups are Finance and Operations (42.3%), Engineering (39.2%), and Sales and Marketing (18.5%).
Castlight Health employees by department
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Finance and Operations | 165 | 42.3% | -9.2% |
| Engineering | 153 | 39.2% | +2.6% |
| Sales and Marketing | 72 | 18.5% | -7.1% |
Compare Castlight Health's department mix to industry peers.
See Full DataCastlight Health Employee Salary by Region (2026)
Castlight Health's average employee salary is $84,725 globally. Employees in Northern America receive the highest compensation, with median pay approximately 1.4x the global average. Pay is lowest in Southern America, at a median of $22,000.
Castlight Health median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| Northern America | $122,000 |
| Eastern Asia | $99,000 |
| Central America and the Caribbean | $68,000 |
| Southern Asia | $33,000 |
| Southern America | $22,000 |
Unlock salary by role, level, and city — and compare to Castlight Health's industry peers.
Unlock Salary DataCastlight Health Job Openings and Hiring Trends (2023-2026)
- Castlight Health had 167 active job postings in 2026, a 81.9% increase (+36) from 2025.
- Castlight Health had 131 active job postings in 2025, a 200.0% increase (+131) from 2024.
- Castlight Health had 0 active job postings in 2024, a 0% no change from 2023.
- Castlight Health had 0 active job postings in 2023, a 200.0% decline from 2022.
- Hiring velocity in 2026: 220 new roles/month, up from 49 in 2025 and 0 in 2024.
Castlight Health's hiring is accelerating: active job postings rose 81.9% in 2026 to 167, with new postings per month climbing from 0 in 2023 to 220 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataCastlight Health Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Castlight Health'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 Castlight Health
- How fast is Castlight Health growing?
- In 2026, Castlight Health's headcount shrank 5.7% to 407 employees, down from 444 in 2025.
- Where are Castlight Health employees located?
- Most Castlight Health employees are based in the United States (51.4% of headcount), followed by India and Canada.
- What is the average salary at Castlight Health?
- The average employee salary at Castlight Health is approximately $84.7k per year.
- How many people does Castlight Health hire per year?
- In 2026, Castlight Health opened roughly 2,640 new roles — about 220 per month.
- When was Castlight Health founded and where is it headquartered?
- Castlight Health was founded in 2008 and is headquartered in Seattle, Washington.
Speak with a workforce expert about Castlight Health.
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