What Investing Option do you wish to provide. Try using freelancing sites to hire developers or talk to one of the forum moderator for help.
However I need to post this I read long ago
"There are hundreds of sites around the web that claims they can multiply your Bitcoin, give you super high daily interest on your coins or do all sorts of other “magical” stuff if you just send them your coins. These sites are known as HYIPs (High Yield Investment Programs) and from my personal experience they are 100% scam.
Every day I get at least one or two emails from people who have been conned by these sites. What the site generally does is pay members using new member deposits that come in. This continues until one day the site decides to completely disappear from the web with the majority of their investors money.
I can’t emphasis enough how dangerous these sites are – AVOID THEM AT ALL COSTS!! They are not a way to earn Bitcoins, they are a way to lose Bitcoins."
Source:99bitcoins