Need a crowd-funding website together with payment gateway and major cards acceptance

General information for the website: Crowdfunding websites. Crowdfunding services for developing economies/ Application based money transfer
Kind of development: New website from scratch
Description of every page/module: Hello there,
I need to develop a crowd-funding website. The objective is to raise funds for Zambian entrepreneurs showcasing their video ideas.. targeting the international crowd-funding market.
I will need options for payment gateway. Business bank account will be UK based.
The idea is to have a simple, intuitive platform.
The second product base will be a micro-loans product.. Where borrowers and lenders meet to get short term loans.
As it is Africa based- sms technology would be best for this product, together with web development. and application development for Android and Apple devices.
Description of requirements/features: Website capable of uploading videos.. Integrated payment gateway, international credit cards, paypal etc.
Users able to search the site across groups/ communities/ industry
Extra notes: