There are various methods of data collection for businesses. These can be performed by the business itself or by a data collection service. The methods of data collection for a business can depend on the type of business.
Some companies are satisfied with gathering their own information by sending their customers questionnaires and surveys to fill out in order to keep an eye on public opinion of their products and services. Others require the services of a data collection business in order to thoroughly understand the wants and needs of their customers and the various trends and changes in the market.