Comment by jmharvey

Styles, like fashion, follow trends. But the similarities on these sites go well beyond just similar trends, especially once you're beyond the main page. The copy on the "Services" page is probably the most damning:

  We provide a wide array of software design and development
  services -- from Mobile applications and Web applications
  to User interface design, Quality assurance and Digital
  Strategy -- we're a trusted partner helping you develop
  your business.

vs

  We provide a wide array of Award Winning design and
  development services -- from Digital Strategy, QA and UX
  Design to iOS, Android, and Facebook Apps, Responsive
  Mobile Enhanced Websites, Ecommerce and Business
  Automation Tools -- we're your trusted partner in Digital.

I don't think anyone honestly believes those sentences were written independently of each other. Look at them in their context on the page, and the plausibility of coincidental design similarity goes even further out the window. This was clearly a copy/paste/edit job.