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The giant "work with us" box does not fit well with the design. I don't really like the blue bands going around the examples of your work. I would just have an image with a "learn more" link. Other than that, I would add some more white space in the footer and shrink the "work with us" button.
I don't know if the text is final or if you have any choice in the matter, but the we make beautiful and usable websites" is way to generic.
