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very first time i saw this- it reminded me of logo for Audi and somewhat for Olympics- i mean just the circle part-don't get me wrong- its very neat design.
But for logo prospective, i think it is a bit too big- you will know when you re-size this to smaller size (and of course, the "opportunity, strategies, growth" text wont be even readable.)
At the same time, "different colored rings represent the different products" is a decent idea- but i am not sure how would you be able to keep the number of products same for a company all the time- the moment they add another product- this design will not work.
Other thing you can try, may be change the size/prospective for different circles- the same size circles here is kind of monotonous.
and then, with dark background, "O" needs to stand more- "SG" part is really prominent--
overall it is a very decent attempt.
