With over 4,900 businesses, the borough contributes about 9% of the Lancashire business base and is home to the largest number of businesses of the Pennie Lancashire authorities. A range of sectors operate in the borough. The five main areas make up over half of businesses in the borough. These are:
- professional scientific and technical services
- business administration and support services
In addition to the large public sector local government and health sector employers, there are a number of large private sectors businesses operating from the borough. These include;
- Crown Paints
- John Lewis supplier Herbert Parkinson
- Graham and Brown wall coverings
- Euro Garages
There are in the region of 67,000 employee jobs in Blackburn with Darwen. Over two thirds of jobs in the borough are found in the main sectors of; health, manufacturing, education, retail, business administration and support services and professional, scientific and technical services.
Despite a national decline the borough still retains a higher than average level of employment in the manufacturing sector. Although the majority of employee jobs in the borough are found within the in the private sector, employment within the public sector is above regional and national averages.