Talk to the centres, visit them and ask to see their plans, who is qualified. My kids all have allergies but not too serious, but finding a center that took it seriously was hard. One even said that they only cook with a little bit of dairy!

Where my kids are now they have a couple of kids with epi pens. All the staff in his room are trained to use it and one is kept in his room and another in the office. The centre is now entirely nut free as even hand contact can cause a reaction.

Hope you can find somewhere.