How many employees work at Interface Security System?
Interface Security Systems LLC has approximately 609 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Interface Security System’s total headcount has declined 9.2% from 671 employees in 2023 to 609 in 2026.
Is Interface Security System hiring right now?
Yes, Interface Security System is actively hiring. Interface Security System had 29 active job postings in 2026, a 3.5% increase from 2025 — see job openings & hiring trends.
About Interface Security System’s Workforce
Interface Security Systems LLC is an Information Technology Services company that employs 609 people worldwide as of March 2026. It is the 8th-largest by headcount among its peers. Founded in 1995, the company is headquartered in City of Bridgeton, Missouri.
Interface Security System's workforce has declined 9.2% from 2023 to 2026, down 2.6% year over year in 2026. It fell to a low of 607 in 2025 Q4 before recovering. Its workforce is concentrated most in North America (92.0%), followed by Southeast Asia (3.6%) and South Asia (3.3%).
Interface Security System's functional groups are Finance and Operations (42.4%), Engineering (30.9%), and Sales and Marketing (26.7%). The average salary is $74,619, ranging from a median of $120,000 in Arab States to $7,000 in South Asia, up 1.0% year over year in 2026.
Interface Security System's active job postings rose 3.5% in 2026 to 29, with new postings per month cooling from 43 in 2023 to 41 in 2026. Overall employee sentiment is neutral but declining.
Sourced from Revelio Labs workforce data.
- Headquarters
- City of Bridgeton, Missouri
- Founded
- 1995
- Industry
- Information Technology Services
- Employees
- 609
- YoY
- -2.6% (-16)
As of March 2026
Interface Security System workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Interface Security System. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsInterface Security System Annual Employee Count (2023-2026)
- Interface Security System had 609 employees in 2026, a 2.6% decline (-16) from 2025.
- Interface Security System had 607 employees in 2025, a 2.5% decline (-24) from 2024.
- Interface Security System had 631 employees in 2024, a 3.3% decline (-38) from 2023.
- Interface Security System had 669 employees in 2023, a 0.8% increase (+5) from 2022.
Interface Security System's total workforce has grown from 607 employees in 2025 to 609 in 2026. Interface Security System's headcount peaked at 672 in 2023 before declining in 2025 and recovering through 2026.
Interface Security Systems LLC quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 609 | -16 | -2.6% |
| 2025 | Q4 | 607 | -24 | -2.5% |
| 2025 | Q3 | 613 | -19 | -1.1% |
| 2025 | Q2 | 620 | -26 | -3.1% |
| 2025 | Q1 | 625 | -33 | -2.3% |
| 2024 | Q4 | 631 | -38 | -3.3% |
| 2024 | Q3 | 632 | -40 | -3.8% |
| 2024 | Q2 | 646 | -25 | -1.0% |
| 2024 | Q1 | 658 | -12 | -0.6% |
| 2023 | Q4 | 669 | +5 | +0.8% |
| 2023 | Q3 | 672 | +11 | +0.7% |
| 2023 | Q2 | 671 | +15 | +0.0% |
See Interface Security System's complete headcount history, including quarterly breakdowns.
Get the DataInterface Security System Employee Count by Region (2026)
North America accounts for the largest share of Interface Security System's global workforce with approximately 92% of total employees, followed by Southeast Asia and South Asia.
Interface Security System employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 554 | 92.0% |
| Southeast Asia | 21 | 3.6% |
| South Asia | 20 | 3.3% |
| Arab States | 4 | 0.6% |
| Sub-Saharan Africa | 3 | 0.5% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataInterface Security System Employee Count by Department (2026)
Interface Security System's employee groups are Finance and Operations (42.4%), Engineering (30.9%), and Sales and Marketing (26.7%).
Interface Security System employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 258 | 42.4% |
| Engineering | 188 | 30.9% |
| Sales and Marketing | 162 | 26.7% |
Compare Interface Security System's department mix to industry peers.
See Full DataInterface Security System Employee Salary by Region (2026)
Interface Security System's average employee salary is $74,619 globally. Employees in Arab States receive the highest compensation, with median pay approximately 1.6x the global average. Pay is lowest in South Asia, at a median of $7,000.
Interface Security System median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| Arab States | $120,000 |
| North America | $60,000 |
| Sub-Saharan Africa | $21,000 |
| Southeast Asia | $8,000 |
| South Asia | $7,000 |
Unlock salary by role, level, and city — and compare to Interface Security System's industry peers.
Unlock Salary DataInterface Security System Job Openings and Hiring Trends (2023-2026)
- Interface Security System had 29 active job postings in 2026, a 3.5% increase (-5) from 2025.
- Interface Security System had 34 active job postings in 2025, a 42.9% increase (+12) from 2024.
- Interface Security System had 22 active job postings in 2024, a 48.3% decline (-14) from 2023.
- Interface Security System had 36 active job postings in 2023, a 101.4% decline from 2022.
- Hiring velocity in 2026: 41 new roles/month, up from 38 in 2025 and 28 in 2024.
Interface Security System's active job postings rose 3.5% in 2026 to 29, with new postings per month cooling from 43 in 2023 to 41 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataInterface Security System Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Interface Security System's workforce based on public professional data. Overall sentiment is neutral 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 Interface Security System
- How fast is Interface Security System growing?
- In 2026, Interface Security System's headcount shrank 2.6% to 609 employees, down from 625 in 2025.
- See the full headcount history
- Where are Interface Security System employees located?
- Most Interface Security System employees are based in North America (92.0% of headcount), followed by Southeast Asia and South Asia.
- Explore where the workforce is based
- What is the average salary at Interface Security System?
- The average employee salary at Interface Security System is approximately $74.6k per year.
- Analyze the salary distribution
- How many new job postings does Interface Security System open per year?
- In Q1 2026, Interface Security System opened 123 new job postings. In 2025, Interface Security System opened 460 new job postings — about 38 per month.
- Track hiring trends by role
- When was Interface Security System founded and where is it headquartered?
- Interface Security System was founded in 1995 and is headquartered in City of Bridgeton, Missouri.
- Compare Interface Security System to industry peers
Speak with a workforce expert about Interface Security System.
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