Often the human resource department of large companies and organizations will have an employment law attorney on staff or on retainer. This attorney will represent the company, employees filing suit against the company will need to hire their own employment law attorney.
For employers or employees hiring an employment law attorney it is always considered the best possible option to hire the most experienced and well-known attorney that you can reasonably afford. Some attorneys will take on cases on a contingency basis which means you will not need to pay for their services until after the case is resolved, and then it will be a portion of the settlement.