How to I find Angel investor for a closed loop operate?

How much do you need?

Consult and attorney who is experienced in securities decree if you are approaching individuals (via accountants or on your own). You are selling part of your company to investors and are subject to mixed laws.

Good Luck

Imisidro give some excellent resources.

Depending upon how much money you need, you may also shoot for a short time more low-hanging fruit - that is, develop some relationships near the local accountants and attorneys. They'll often represent giant net-worth clients, some of which may be interested in endeavour deals. The accountant/lawyer route is great for, say aloud, raising $500,000 - $1,000,000 contained by incremenets of $50,000 or so.

Answers:
You may want to go and pitch your design where investors rally. Here are some places where angel investors come and those looking for funding can come and pitch their business plans. Be sure to hold a strong business plan and describe what makes your business impression stand apart:

Angel Capital Association http://www.angelcapitalassociation.org
Angel's Forum http://www.angelsforum.com
Band of Angels http://www.bandangels.com
Common Angels http://www.commonangels.com
Keiretsu Forum http://www.k4forum.com
Launchpad Venture Group http://www.launchpadventuregroup.com
New World Angels http://www.newworldangels.com
New York Angels http://www.newyorkangels.com
Prairie Angels http://www.prairieangels.org (charges $125 to submit idea)
Robin Hood Ventures http://www.robinhoodventures.com (charges $250)
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