It's designed by Stephen Birchmore. Big colour images up on the screen instantly. And not a patronising slide show in sight. Here you get at the buildings by clicking and refining in familiar style.
This gets perilously close to the three-clicks-and-you're-out limit but the whole process is comfortingly simple so you don't mind too much. The inevitable 'Philosophy' section is, happily, called 'What we do' and, equally happily, is three brief paragraphs. Short, though personally I'd leave out the middle one on grounds that it doesn't mean very much.
I've been trying to work out why it all works so well. It's partly because PTEA seem to have thought hard about what potential clients are looking for, viz professionals who are straightforward and good at what they do. And it's also because they've done what they hope their visitors will do: hire a professional to do that old firmness, commodity and delight thing.