Crowd-funding platforms
Commercial lender
Funding Circle
Investors lend money to SMEs. See website for eligibility.
Equity investment platform
Republic (formerly Seedrs)
Broad investment sectors are shown to their members who invest in return for equity.
Film, music, art, theatre, etc
Kickstarter
A fundraising platform for the creative industries.
Generalist
Crowdcube
The original British platform, they help businesses raise equity.