A new kitchen needs to be fitted by someone competent, who knows exactly what they are doing. Even though the construction of a kitchen cabinet is actually very simple, it still isn’t something that you would be able to fit yourself without any prior knowledge. The point of having a fitted kitchen is to make sure it is neat and looks more premium. To fit it yourself and not do an especially professional job would be defeating the object.
Find a fitter who is experienced with kitchens. You will feel confident when you find the right person and will like what they have to say about your kitchen. You can get a design beforehand, or you can entrust this to your fitter if they are happy to provide this service for you as well.
Look online and check websites that list qualified and certified tradespeople. This helps you to choose someone who Is regulated and has undergone thorough checks.