The
Official Charts Company (
OCC), also referred to as
Official Charts and previously known as the
Chart Information Network (
CIN) and
The Official UK Charts Company, is a British inter-professional organisation that compiles various "official"
record charts in the United Kingdom, including the
UK Singles Chart, the
UK Albums Chart, the
UK Singles Downloads Chart and the
UK Album Downloads Chart, as well as
genre-specific and music video charts. The OCC produces its charts by gathering and combining sales data from retailers through market researchers
Millward Brown, and claims to cover 99% of the singles market and 95% of the album market, and aims to collect data from any retailer who sells more than 100 chart items per week.