Q.A 30 year old tree
I think it’s a maple tree, I got my gardener to prune it last September , he took much more of it than I expected in fact he left it with no leaves at all. There is no sign of it budding this year could he have killed it ?
Yes, it's possible that the tree is dead- here's one way to tell:
https://www.gardeningknowhow.com/ornamental/trees/tgen/tree-scratch-test.htm
Or, it might leaf out late and recover gradually. Generally, it's not a good idea to prune landscape trees like maples. Instead, they shoud be left to grow to their full size and natural shape. If the mature size of the tree is an issue, it's best to choose a smaller tree species that will fit the space better.
https://www.gardeningknowhow.com/ornamental/trees/tgen/tree-leafing-problems.htm
