Silence Therapeutics plc
Silence Therapeutics plc (SLN) Number of Employees – History & Annual Headcount
Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.
SEC EDGAR · FMP · SLN · as of Mar 5, 2026
Latest filing snapshot
Silence Therapeutics plc (SLN) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗
SLN Employee Count
2020 – 2025 · Annual · SEC filingSource: SEC annual filings · Hover bar to view year data · Click to view original filing
Employees History
| Filing Date | Employees | Change (1Y) | Growth (1Y) | SEC filing link |
|---|---|---|---|---|
| 2026-03-05 | 300 | +184 | +158.62% | |
| 2025-02-27 | 116 | +7 | +6.42% | |
| 2024-03-13 | 109 | -13 | -10.66% | |
| 2023-03-15 | 122 | +17 | +16.19% | |
| 2022-03-17 | 105 | +31 | +41.89% | |
| 2021-03-30 | 74 | — | — |
▸ Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.
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About SLN employees
SLN Employees · Headcount
Silence Therapeutics plc (SLN) employee data is sourced from the annual SEC 10-K filing. As of 2025, Silence Therapeutics plc had 300 full-time employees globally. Full-time employees only. Global consolidated headcount.
Silence Therapeutics plc employs 300 full-time employees as of the latest filing within the Biotechnology industry. Revenue per employee stands at $1,863, reflecting the company's operational efficiency.
Silence Therapeutics plc's workforce increased by 184 (158.62%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.
Silence Therapeutics plc's revenue per employee of $1,863 positions it among the notable performers in the Biotechnology sector for operational efficiency.
Frequently Asked Questions
SLN Employees · 5 questionsAs of the latest SEC 10-K filing (2025), Silence Therapeutics plc had 300 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.
▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-03-05