Ellisys 是一家總部位於瑞士的電子測試科技公司，擁有領先全球的的技術，提供用於藍芽、WiFi、WPAN、USB 2.0、USB-C、 DisplayPort及Thunderbolt 各類端口的測試解決方案及協定分析儀。並致力於為各開發者提供符合需求、適切的測試工具，讓這塊充滿前景的市場以穩定、自信的步伐成長。
Ellisys 旗下尚有 SerialTek和Unigraf 等數家公司, 在國外使用 Symbiosys 聯盟名稱。
SerialTek產品為PCIe通訊協議分析測試儀, 而Unigraf產品則有HDMI, DisplayPort 和 USB-PD 通訊協議分析測試儀。

Ellisys is a leading worldwide supplier of advanced protocol test solutions for Bluetooth, Wi-Fi, WPAN, USB 2.0, 3.1, USB PD, USB Type-C, DisplayPort and Thunderbolt technologies. By providing developers with the right innovative tools at the right time, Ellisys enables these promising markets to grow, helping to ensure rapid and wide acceptance of these technologies.
SerialTek is a provider of innovative data storage test tools and solutions since 2007. Many leading storage manufacturers depend on our products to improve product quality and drive time-to-market requirements.