Try to determine what kind of company you are researching.
Public companies are usually the easiest to research because they are required to submit financial information to the U.S. Securities and Exchange Commission. That information is publically available.
Subsidiaries of public companies can be tricky to research. The parent company is not required to report on each company individually. Read carefully the annual report and other information.
Private companies are not required to release a lot of information to the government. Depending on the company, research can be more difficult.
Find your company's stock symbol.
Company reputation information can be very elusive. The company will put their best foot forward on their web site. Try searching our business databases with your company's name and words that may give you clues to how they really are.
Most companies don't post salaries on their web sites.
Search the web for your company name and salaries. Results from Glassdoor.com are helpful.