I think most non-experts would assume that if you can take decent photographs you can take photos of everything. However this is not the case, although some photographers would have you believe otherwise.
Taking a photo of someone in a studio for example is very different to photographing a music concert. The pace is different, the equipment you need to use is different and even the style of photographs needed varies.
If you are after having some photos taken for whatever reason then you should make sure that the person you hire specialises in the types of photos that you need. That way you can be sure that you get the best value for money and the best photos that you can hope for.
For example if you are after some photos to showcase different outfits or looks then you really want someone that specialises in fashion photographer. This is because they will know the best ways to pose, how to get the most out of the clothes and how to give you the best photos ever. There are plenty of people that offer this type of photography; it is just a matter of shopping around for exactly what you want.
One of the quickest ways to do this is to look online. However what you need to really make sure you do is look for someone local. You don't really want to be travelling 400 miles to get some photos done if you can help it. So simply add on the name of your area to your search. For example "fashion photography London" would be idea to find London photographers. You can then browse through their website, which will usually have prices and samples of their work and get an idea of whether they offer what you are looking for. You can also browse through the websites and compare between them, making sure you get the one that suits you best. If you live somewhere small and quiet you may need to broaden your search term slightly in order to find someone, but there is usually plenty of choice available so there should not be too much of a struggle to find someone that can help.