Her Majesty Revenue & Customs
www.hmrc.gov.uk
Self employment informations and start up, tax informations and issues relating all businesses in the united kingdom.
Companies House
www.companieshouse.gov.uk
Provides informations of limited companies.
Charity Commission
www.charity-commission.gov.uk
Starting up charities and informations about charities.
Business Link
www.businesslink.gov.uk
Provide business advises