Shoe help please

[PleaseTieMyBow]

I am starting a new job. Clothes-wise I will be wearing trousers, probably mostly jegging/skinny, and a shirt or nice jumper.
Currently would wear with Chelsea boots, in summer with sandals. But what in between? I would normally wear trainers/converse, but not allowed. What style of shoe would go well, bearing in mind I am going to be on my feet most of the day. Currently I own one pair of heels, my only pair of shoes
Help! What should I be looking for?

[heffalumpshavewrinkles]

Ballet flats?

[heffalumpshavewrinkles]

Or loafers

[BikeRunSki]

Or brogues

[PleaseTieMyBow]

Haha thanks for those 3 replies! So basically anything goes? Of those I would tend towards loafers. Ballet flats I avoid except for short spells as I find really flat shoes gives me back ache.
Thank you, am off to browse