About what? I'm not really a marketing person, but as I look at your contact form in the context of the basically empty page, there's really no call to action.
Why should someone contact you? To buy your services? Chances are they don't know enough from what's on the site to commit to anything. They might see contacting you as a step in that direction, and so they hesitate.
Make it easier for them. Give them something in exchange, maybe something free to request, like a white paper... Or offer some sort of questionnaire for them to fill out in preparation for a no obligation conversation about their system.
You've got to set the bar high enough when you do this, of course, so you're not just getting idle requests. I've resisted doing this in SEO, so I can understand why you might resist it in your field, but the fact is that if I get a call about a site, I usually take a look at it before calling back, so why not use that as a motivator to get the call in the first place?
I also feel that you need some sort of text message on the home page in place of (or in addition to) all those pretty photographs of handshakes and people conversing. I think that's overkill on corporate partnering imagery (that is by now just a cliche), and the page doesn't offer enough of substance about what you do.
Maybe make the images smaller, and get some description about your services... a short compelling introduction, and then the what and the why about each of your four basic service areas (maybe 25 words each). Furthermore, I'd put a very brief recap on the contact page.
Right now, you're costing site visitors an extra click for them to find out anything useful, and the contact page is completely in limbo, with no reminder of services unless you click on the form pull-down.
Just thinking out loud, but that's my reaction as I look at the site.