The proof of a robust M&A strategy is in its blending. Most acquisitions fail because integration of diverse cultures is never easy. Why not scout for companies with similar culture - you may go. Try that; you’ll never find one. Every company has a unique culture since it is made up of different individuals, their shared beliefs and practices that identify the company to which they belong.
Mike Rogers of PatchLink, has completed 10 acquisitions and two sales during his career and has this interesting Op-Ed in Venture Beat where he shares his magic mantra for a successful inorganic growth strategy. While Mike concedes that there is no such thing as the perfect deal, he goes that it all depends on a sound strategy. You can fix a bad deal structure, you can fix a bad integration, but you can’t fix a bad strategy.