I'm from Shimmery, not Louvre Bridal, but here are some things you might want to look out for:
- Minimum number of photographs they will provide you (if applicable). This may sound like a small point but you will be surprised how many couples can argue over this IF the photographer takes too few photographs (though for most good wedding photographers/videographers/studios in Singapore, is quite ok)
- How many people will they be providing? You can simply ask them. For actual day photography & videography (assuming you want both), make sure to get 2.