Accountant in niche market needs logo

This is what Caribea was looking for in their logo design

I am a one woman company that outsources to others. I am a Certified Public Accountant having specialized knowledge and experience in a small niche industry. This industry operates in different parts of the world.
I have been successful so far as a result of word of mouth. However I would now like to approach other players in the industry. For this I need a logo (and later business card and brochure). My trademarks are professionalism and knowledge. The name of my company is: Caribea Consultancy Ltd. However I only want “Caribea” in the logo.
It is a conservative profession and the typical colors are blue, grey etc.

Big league competitors of mine would be the "big 4" accounting firms: KPMG, E&Y, Deloitte, PWC.
Companies in the targeted industry: Amicorp, Overseas Management Company, CITCO, Trident Trust, Orangefield, Fidemont.
The above info so you can have a reference on how their logo's look by looking at their website.
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