GOV.UK - Business and Self-Employed
This is the main government resource for businesses in the UK.
Provides information on starting a business, running a business, and managing taxes, as well as grants and loans.

British Business Bank
A government-owned bank that provides financial support, funding programs, and guidance to small and medium-sized businesses (SMEs).

Federation of Small Businesses (FSB)
A membership organization offering support, advice, and resources to small businesses, including funding options and legal assistance.

Start Up Loans
A government-backed initiative that provides loans and mentoring to start-ups and early-stage businesses.

Business Support Helpline
A free helpline for small businesses to get advice on everything from regulations to funding.

Entrepreneur Handbook
A private website offering guides, tips, and resources for entrepreneurs in the UK.