You can take the Cambridge Linguaskill exam at Excellence Online Academy or at your institution. Liguaskill is available as either General or Business English and both types are suitable for all levels of English.
The test offers a convenient way for you to get an official certificate of your level from an internationally-recognized examining board.
The test is modular, so you can choose which combination of language skills is right for your organization. The three modules are: Reading and Listening, Speaking, and Writing. You can take any combination of the modules or take all three.