Mecha Commission works for @whee_leigh via Twitter.

A high-rank class mecha that build by the Edinburgh Empire as an 'all round' type for command and special forces, to be used in both space and atmosphere. It comes with a wide range of weapons and a pair of subarms for optimal loadout.

※More sample sheets at last page

https://twitter.com/harryych/status/1389143136350261248
https://deviantart.com/deviation/edit/878297358