How many employees work at SDI Group?
SDI Group Plc (SDI) has approximately 511 total employees worldwide as of December 2025, according to Revelio Labs workforce intelligence data. SDI Group's total headcount has grown 1.0% from 506 employees in 2023 to 511 in 2025.
Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published June 2026
Is SDI Group hiring right now?
Yes, SDI Group is actively hiring. SDI Group had 2 active job postings in 2025, a 40.0% decline from 2024 — see job openings & hiring trends.
About SDI Group's Workforce
SDI Group Plc (SDI) is an Electronics Manufacturing company that employs 511 people worldwide as of December 2025. It is the 11th-largest by headcount among its peers. Founded in 2007, the company is headquartered in Cambridge, United Kingdom and trades on the London Stock Exchange.
SDI Group's workforce has grown 1.0% from 2023 to 2025, up 1.1% year over year in 2025. Its workforce is concentrated most in the United Kingdom (70.6%), followed by Australia (7.1%) and Portugal (4.4%), with India, its fastest-growing location.
SDI Group's largest functional groups are Finance and Operations (44.7%), Engineering (30.8%), and Sales and Marketing (24.5%), with Engineering growing fastest (up 3.0%). Median employee tenure is 5.0 years. The average salary is $63,268, ranging from a median of $90,000 in Northern America to $12,000 in South-Eastern Asia.
SDI Group's active job postings fell 40.0% in 2025 to 2, with new postings per month cooling from 9 in 2023 to 5 in 2025. Overall employee sentiment is neutral but improving.
Sourced from Revelio Labs workforce data.
As of December 2025
SDI Group
workforce metrics
Headcount
511
1.1% YoY
Avg. Salary
$63.3k
2.0% YoY
Tenure
5.0yr
0.2yr YoY
Growth Rate
1.1%
3.8pts YoY
Hiring Rate
Attrition Rate
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for SDI Group. Compare to peers, export the dataset, and access the full quarterly history.
- SDI Group had 511 employees in 2025, a 1.1% increase (+5) from 2024.
- SDI Group had 506 employees in 2024, a 2.7% decline (-13) from 2023.
- SDI Group had 519 employees in 2023, a 2.4% increase (+12) from 2022.
SDI Group's total workforce has grown from 506 employees in 2024 to 511 in 2025. SDI Group's headcount peaked at 524 in 2024 before declining in 2024 and recovering through 2025.
SDI Group Plc — quarterly employee count (2023–2025)
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2025 | Q4 | 511 | +5 | +1.1% |
| 2025 | Q3 | 517 | +6 | +1.2% |
| 2025 | Q2 | 518 | -6 | -1.2% |
| 2025 | Q1 | 509 | -9 | -1.7% |
| 2024 | Q4 | 506 | -13 | -2.7% |
| 2024 | Q3 | 511 | -13 | -2.4% |
| 2024 | Q2 | 524 | +14 | +2.8% |
| 2024 | Q1 | 518 | +12 | +2.2% |
| 2023 | Q4 | 519 | +12 | +2.4% |
| 2023 | Q3 | 524 | +30 | +5.9% |
| 2023 | Q2 | 510 | +23 | +4.6% |
| 2023 | Q1 | 506 | +8 | +1.6% |
Want to see SDI Group's complete headcount history back to 2017, including quarterly breakdowns?
The United Kingdom accounts for the largest share of SDI Group's global workforce with approximately 71% of total employees, followed by Australia and Portugal. SDI Group's headcount in India is growing fastest among its major locations, up 14.1% year over year in 2025.
SDI Group employees by country — 2025
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| United Kingdom | 362 | 70.6% | +0.4% |
| Australia | 37 | 7.1% | +0.0% |
| Portugal | 22 | 4.4% | -4.4% |
| United States | 22 | 4.4% | -2.7% |
| India | 13 | 2.5% | +14.1% |
| Singapore | 8 | 1.5% | +0.0% |
| Bulgaria | 6 | 1.2% | +0.0% |
| Indonesia | 6 | 1.1% | +0.0% |
| Malaysia | 4 | 0.8% | +0.0% |
| Senegal | 3 | 0.7% | +0.0% |
Drill into city-level data, hiring trends by region and historic geographic shifts
SDI Group's largest employee groups are Finance and Operations (44.7%), Engineering (30.8%), and Sales and Marketing (24.5%).
SDI Group employees by department — 2025
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Finance and Operations | 228 | 44.7% | -0.8% |
| Engineering | 157 | 30.8% | +3.0% |
| Sales and Marketing | 125 | 24.5% | -1.0% |
Compare SDI Group's department mix to industry peers.
SDI Group's average employee salary is $63,268 globally. Employees in Northern America receive the highest compensation, with median pay approximately 1.4x the global average. Pay is lowest in South-Eastern Asia, at a median of $12,000.
SDI Group median employee salary by region — 2025 (USD)
| Region | Median Salary |
|---|---|
| Northern America | $90,000 |
| Pacific Islands | $64,000 |
| Northern Europe | $57,000 |
| Sub-Saharan Africa | $54,000 |
| Western Europe | $52,000 |
| Eastern Europe | $31,000 |
| Southern Europe | $26,000 |
| Eastern Asia | $22,000 |
| South-Eastern Asia | $12,000 |
| Southern America | $9,000 |
| Southern Asia | $5,000 |
Unlock salary by role, level, and city — and compare to SDI Group's industry peers.
- SDI Group had 2 active job postings in 2025, a 40.0% decline (-1) from 2024.
- SDI Group had 3 active job postings in 2024, a 120.0% decline (-9) from 2023.
- SDI Group had 12 active job postings in 2023, a 100.0% increase from 2022.
- Hiring velocity in 2025: 5 new roles/month, down from 7 in 2024 and 9 in 2023. New metric
SDI Group's hiring is slowing: active job postings fell 40.0% in 2025 to 2, with new postings per month cooling from 9 in 2023 to 5 in 2025.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Revelio Labs tracks employee sentiment across SDI Group's workforce based on public professional data. Overall sentiment is neutral and has improved year over year in 2025.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Similar Electronics Manufacturing Companies by Employee Count
- How fast is SDI Group growing?
- In 2025, SDI Group's headcount grew 1.1% to 511 employees, up from 506 in 2024.
- Where are SDI Group employees located?
- Most SDI Group employees are based in the United Kingdom (70.6% of headcount), followed by Australia and Portugal.
- What is the average salary at SDI Group?
- The average employee salary at SDI Group is approximately $63.3k per year.
- How many people does SDI Group hire per year?
- In 2025, SDI Group opened roughly 60 new roles — about 5 per month.
- When was SDI Group founded and where is it headquartered?
- SDI Group was founded in 2007 and is headquartered in Cambridge, United Kingdom.
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