Spirent
| Company type | Public |
|---|---|
| LSE: SPT | |
| Industry | Telecommunications |
| Founded | 1936 |
| Headquarters |
|
Key people |
|
| Products | Network diagnostics |
| Revenue | US$460.2 million (2024) |
| US$46.2 million (2024) | |
| US$12.9 million (2024) | |
| Total assets | US$614.2 million (2024) |
| Total equity | US$392.5 million (2024) |
| Owner | Keysight |
Number of employees | 1,500 (2025) |
| Website | spirent |
Spirent Communications plc is a British multinational telecommunications testing company headquartered in Crawley, West Sussex, in the United Kingdom. It was listed on the London Stock Exchange until it was acquired by Keysight in October 2025.