In ghana, there are only two companies that i trust to help you with investors.
1.Ghana Angel Investors Network - This people have a list of all potential investors looking for projects to put their money in. First you discuss your project with them, them if they see the potential,
they will draw up plans for the amount of money you need and then you can get to work.
Contact GAIN on http://gain.com.gh/
12th Floor Premier Towers,
PMB CT 449 Cantonments,
Telephone: +233  302 961 884
Fax: +233  302 672 590
- There is another group of investors located at dzorwulu
Main Ave, # 42
T: (233) 234 - 207 - 759
They are called wingpace inc. They connect startups to investors so you should hit them up. Goodluck.