How many employees work at Day Zero Diagnostics?
Day Zero Diagnostics, Inc. has approximately 12 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Day Zero Diagnostics’s total headcount has declined 80.4% from 63 employees in 2023 to 12 in 2026.
Is Day Zero Diagnostics hiring right now?
No, Day Zero Diagnostics is not actively hiring. Day Zero Diagnostics had 0 active job postings in 2026, a 0.0% no change from 2025 — see job openings & hiring trends.
About Day Zero Diagnostics’s Workforce
Day Zero Diagnostics, Inc. is a Biotech and Healthcare Services company that employs 12 people worldwide as of March 2026. It is the 7th-largest by headcount among its peers. Founded in 2016, the company is headquartered in Boston, Massachusetts.
Day Zero Diagnostics's workforce has declined 80.4% from 2023 to 2026, down 46.6% year over year in 2026. It fell to a low of 12 in 2026 Q1 before recovering. Its workforce is concentrated most in North America (100.0%).
Day Zero Diagnostics's functional groups are Engineering (50.2%), Finance and Operations (40.5%), and Sales and Marketing (9.3%). The average salary is $95,702, highest in North America at a median of $72,000, down 27.8% year over year in 2026.
Day Zero Diagnostics's hiring activity held steady in 2026. Overall employee sentiment is positive and improving.
Sourced from Revelio Labs workforce data.
- Headquarters
- Boston, Massachusetts
- Founded
- 2016
- Industry
- Biotech and Healthcare Services
- Employees
- 12
- YoY
- -46.6% (-35)
As of March 2026
Day Zero Diagnostics workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Day Zero Diagnostics. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsDay Zero Diagnostics Annual Employee Count (2023-2026)
- Day Zero Diagnostics had 12 employees in 2026, a 46.6% decline (-35) from 2025.
- Day Zero Diagnostics had 14 employees in 2025, a 53.4% decline (-38) from 2024.
- Day Zero Diagnostics had 52 employees in 2024, a 18.2% decline (-15) from 2023.
- Day Zero Diagnostics had 67 employees in 2023, a 0.4% increase (+8) from 2022.
Day Zero Diagnostics's total workforce has declined from 63 employees in 2023 to 12 in 2026.
Day Zero Diagnostics, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 12 | -35 | -46.6% |
| 2025 | Q4 | 14 | -38 | -53.4% |
| 2025 | Q3 | 27 | -25 | -22.5% |
| 2025 | Q2 | 42 | -13 | -11.9% |
| 2025 | Q1 | 47 | -10 | -11.1% |
| 2024 | Q4 | 52 | -15 | -18.2% |
| 2024 | Q3 | 52 | -12 | -16.7% |
| 2024 | Q2 | 55 | -8 | -17.7% |
| 2024 | Q1 | 57 | -5 | -17.7% |
| 2023 | Q4 | 67 | +8 | +0.4% |
| 2023 | Q3 | 64 | +10 | +5.0% |
| 2023 | Q2 | 63 | +10 | +6.4% |
See Day Zero Diagnostics's complete headcount history, including quarterly breakdowns.
Get the DataDay Zero Diagnostics Employee Count by Region (2026)
North America accounts for the largest share of Day Zero Diagnostics's global workforce with approximately 100% of total employees.
Day Zero Diagnostics employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 12 | 100.0% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataDay Zero Diagnostics Employee Count by Department (2026)
Day Zero Diagnostics's employee groups are Engineering (50.2%), Finance and Operations (40.5%), and Sales and Marketing (9.3%).
Day Zero Diagnostics employees by department
| Department | Employees | % of Total |
|---|---|---|
| Engineering | 6 | 50.2% |
| Finance and Operations | 5 | 40.5% |
| Sales and Marketing | 1 | 9.3% |
Compare Day Zero Diagnostics's department mix to industry peers.
See Full DataDay Zero Diagnostics Employee Salary by Region (2026)
Day Zero Diagnostics's average employee salary is $95,702 globally. Employees in North America receive the highest compensation.
Day Zero Diagnostics median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $72,000 |
Unlock salary by role, level, and city — and compare to Day Zero Diagnostics's industry peers.
Unlock Salary DataDay Zero Diagnostics Job Openings and Hiring Trends (2023-2026)
- Day Zero Diagnostics had 0 active job postings in 2026, a 0% no change from 2025.
- Day Zero Diagnostics had 0 active job postings in 2025, a 200.0% decline (-3) from 2024.
- Day Zero Diagnostics had 3 active job postings in 2024, a 100.0% increase (+2) from 2023.
- Day Zero Diagnostics had 1 active job postings in 2023, a 133.3% decline from 2022.
- Hiring velocity in 2026: 0 new roles/month, up from 0 in 2025 and 1 in 2024.
Day Zero Diagnostics's hiring activity held steady in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataDay Zero Diagnostics Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Day Zero Diagnostics's workforce based on public professional data. Overall sentiment is positive 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 Day Zero Diagnostics
- How fast is Day Zero Diagnostics growing?
- In 2026, Day Zero Diagnostics's headcount shrank 46.6% to 12 employees, down from 47 in 2025.
- See the full headcount history
- Where are Day Zero Diagnostics employees located?
- Most Day Zero Diagnostics employees are based in North America (100.0% of headcount).
- Explore where the workforce is based
- What is the average salary at Day Zero Diagnostics?
- The average employee salary at Day Zero Diagnostics is approximately $95.7k per year.
- Analyze the salary distribution
- How many new job postings does Day Zero Diagnostics open per year?
- In Q1 2026, Day Zero Diagnostics opened 0 new job postings. In 2025, Day Zero Diagnostics opened 0 new job postings — about 0 per month.
- Track hiring trends by role
- When was Day Zero Diagnostics founded and where is it headquartered?
- Day Zero Diagnostics was founded in 2016 and is headquartered in Boston, Massachusetts.
- Compare Day Zero Diagnostics to industry peers
Speak with a workforce expert about Day Zero Diagnostics.
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