The classic line by order of Peaky Blinders Razor Party means "under orders".

the complete line is By order of the Peaky Blinders, which means "obeying the razor party". This is Arthur's classic line in the play, which specifically expresses his loyalty to the razor party.

related phrases:

by order of Messrs? On orders

by order of? On orders; Command; Order;

by order of the board? Entrusted by the board of directors; According to the order of the board of directors; Audit Committee's order

Example:

They might have stopped me? by? Orders from the commissioners .

They can arrest me according to the orders of the committee members.