If you know about the specifics of the company you wish to research about, the simplest way is to Google it. Enter the business' name in the search engine and you will find all relevant links. Moreover, the top result might show the website link for that particular company. Click on that link and you will have direct access to a company’s goal, mission statement, organizational structure, achievements, products, services, contact information and future prospects. For extended information, you can further click on Google news.
Social Networking sites
With the advent of social websites such as Facebook and Twitter, most companies will have their respective pages, where people can easily subscribe, ask questions, and comment. Follow your desired company by becoming a fan and you will get all sorts of information, even inside-info, which could have been hard to obtain.
If you are looking for professional networking, LinkedIn offers the chance to view company profiles and read all company related content. You can further join work-specific groups and submit your applications. It helps you connect, network, and gather job related information and keep tabs on promotions, hiring and statistics with regards to a specific company.
One can further use websites such as Hoovers and Vault that provide a database from where one can find the necessary information and locate a particular company. The search engine can be used according to the information you require, making it easier for you to find relevant details. Moreover it provides forums where past and current employees provide insight, advice and experience about the company.