How many employees work at ADT Fire & Security?
ADT Fire & Security Plc has approximately 617 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. ADT Fire & Security’s total headcount has declined 5.6% from 654 employees in 2023 to 617 in 2026.
Is ADT Fire & Security hiring right now?
No, ADT Fire & Security is not actively hiring. ADT Fire & Security had 0 active job postings in 2026, a 0.0% no change from 2025 — see job openings & hiring trends.
About ADT Fire & Security’s Workforce
ADT Fire & Security Plc is a Facility Management Services company that employs 617 people worldwide as of March 2026. It is the 11th-largest by headcount among its peers. Founded in 1874, the company is headquartered in London, United Kingdom.
ADT Fire & Security's workforce has declined 5.6% from 2023 to 2026, down 0.3% year over year in 2026. It fell to a low of 617 in 2026 Q1 before recovering. Its workforce is concentrated most in Northern Europe (59.9%), followed by North America (32.9%) and Western Europe (2.1%).
ADT Fire & Security's functional groups are Finance and Operations (44.8%), Engineering (31.0%), and Sales and Marketing (24.3%), with Engineering growing fastest (up 1.1%). The average salary is $69,066, ranging from a median of $73,000 in North America to $20,000 in Sub-Saharan Africa.
ADT Fire & Security's hiring activity held steady in 2026. Overall employee sentiment is negative and broadly stable.
Sourced from Revelio Labs workforce data.
- Headquarters
- London, United Kingdom
- Founded
- 1874
- Industry
- Facility Management Services
- Employees
- 617
- YoY
- -0.3% (-11)
As of March 2026
ADT Fire & Security workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for ADT Fire & Security. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsADT Fire & Security Annual Employee Count (2023-2026)
- ADT Fire & Security had 617 employees in 2026, a 0.3% decline (-11) from 2025.
- ADT Fire & Security had 621 employees in 2025, a 0.9% decline (-12) from 2024.
- ADT Fire & Security had 633 employees in 2024, a 1.1% decline (-14) from 2023.
- ADT Fire & Security had 647 employees in 2023, a 1.6% decline (-28) from 2022.
ADT Fire & Security's total workforce has declined from 654 employees in 2023 to 617 in 2026.
ADT Fire & Security Plc quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 617 | -11 | -0.3% |
| 2025 | Q4 | 621 | -12 | -0.9% |
| 2025 | Q3 | 621 | -14 | -0.5% |
| 2025 | Q2 | 620 | -13 | -0.6% |
| 2025 | Q1 | 628 | -11 | -1.2% |
| 2024 | Q4 | 633 | -14 | -1.1% |
| 2024 | Q3 | 635 | -12 | -1.5% |
| 2024 | Q2 | 633 | -21 | -1.5% |
| 2024 | Q1 | 639 | -27 | -1.5% |
| 2023 | Q4 | 647 | -28 | -1.6% |
| 2023 | Q3 | 647 | -28 | -1.6% |
| 2023 | Q2 | 654 | -21 | -2.1% |
See ADT Fire & Security's complete headcount history, including quarterly breakdowns.
Get the DataADT Fire & Security Employee Count by Region (2026)
Northern Europe accounts for the largest share of ADT Fire & Security's global workforce with approximately 60% of total employees, followed by North America and Western Europe.
ADT Fire & Security employees by region
| Region | Employees | % of Total |
|---|---|---|
| Northern Europe | 368 | 59.9% |
| North America | 203 | 32.9% |
| Western Europe | 13 | 2.1% |
| Sub-Saharan Africa | 10 | 1.6% |
| South America | 6 | 0.9% |
| Southern Europe | 5 | 0.9% |
| Central America and the Caribbean | 3 | 0.4% |
| Pacific Islands | 2 | 0.4% |
| Southeast Asia | 2 | 0.3% |
| Arab States | 1 | 0.2% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataADT Fire & Security Employee Count by Department (2026)
ADT Fire & Security's employee groups are Finance and Operations (44.8%), Engineering (31.0%), and Sales and Marketing (24.3%).
ADT Fire & Security employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 276 | 44.8% |
| Engineering | 191 | 31.0% |
| Sales and Marketing | 150 | 24.3% |
Compare ADT Fire & Security's department mix to industry peers.
See Full DataADT Fire & Security Employee Salary by Region (2026)
ADT Fire & Security's average employee salary is $69,066 globally. Employees in North America receive the highest compensation. Pay is lowest in Sub-Saharan Africa, at a median of $20,000.
ADT Fire & Security median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $73,000 |
| Western Europe | $67,000 |
| Northern Europe | $63,000 |
| Southern Europe | $62,000 |
| South America | $25,000 |
| Sub-Saharan Africa | $20,000 |
Unlock salary by role, level, and city — and compare to ADT Fire & Security's industry peers.
Unlock Salary DataADT Fire & Security Job Openings and Hiring Trends (2023-2026)
- ADT Fire & Security had 0 active job postings in 2026, a 0% no change from 2025.
- ADT Fire & Security had 0 active job postings in 2025, a 0% no change from 2024.
- ADT Fire & Security had 0 active job postings in 2024, a 200.0% decline (-2) from 2023.
- ADT Fire & Security had 2 active job postings in 2023, a 111.1% decline from 2022.
- Hiring velocity in 2026: 0 new roles/month, up from 0 in 2025 and 0 in 2024.
ADT Fire & Security's hiring activity held steady in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataADT Fire & Security Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across ADT Fire & Security's workforce based on public professional data. Overall sentiment is negative and has held steady 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 ADT Fire & Security
- How fast is ADT Fire & Security growing?
- In 2026, ADT Fire & Security's headcount shrank 0.3% to 617 employees, down from 628 in 2025.
- See the full headcount history
- Where are ADT Fire & Security employees located?
- Most ADT Fire & Security employees are based in Northern Europe (59.9% of headcount), followed by North America and Western Europe.
- Explore where the workforce is based
- What is the average salary at ADT Fire & Security?
- The average employee salary at ADT Fire & Security is approximately $69.1k per year.
- Analyze the salary distribution
- How many new job postings does ADT Fire & Security open per year?
- In Q1 2026, ADT Fire & Security opened 0 new job postings. In 2025, ADT Fire & Security opened 0 new job postings — about 0 per month.
- Track hiring trends by role
- When was ADT Fire & Security founded and where is it headquartered?
- ADT Fire & Security was founded in 1874 and is headquartered in London, United Kingdom.
- Compare ADT Fire & Security to industry peers
Speak with a workforce expert about ADT Fire & Security.
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