A couple of things to think about when choosing a photographer; do you want natural light or studio (flash) light? If you are planning to go with a photographer that only works outdoors you will need to think of a few things such as the weather. It might be really hot and bright thus making you squint in the sun, it might be freezing, raining or blowing a gale. This country is not the best for just doing outdoors shots and because of this you may find you are being rescheduled a few times and if you are travelling to get your photos taken this could be of great inconvenience to you. You will also need to consider if you are able to change tops or check your hair and make up and will guys be able to have a shave half way through if necessary. On the other hand with only studio (flash) lighting, will this suit your skin tone? Maybe have a look at photographers who do both or maybe use natural light in a studio, that way you get the daylight but without the weather problems and distractions.
Check the retouching deal; air brushing if done correctly takes time but can make a photo really stand out, fewer photos that have been air brushed well look far better than lots of photos that haven’t.
Finally; time, find out how long a photographer is going to spend with you. If you need to get a number of looks or you are a bit nervous in front of a “stills” camera this is going to take a bit of time, so make sure you go with a photographer that offers a longer session where you will not get stressed out and feel as if you are being rushed to finish. If however you are confident in having your photo taken or are just wanting to get a couple of looks then a shorter session might be enough for you.
Please feel free to contact me if you would like anymore help.