Aside from Archangels there is an "All knowing" Angel closest to God
Exploring the Ophanim: Angelic Beings in the Bible and their Significance Ezekiel 1:15–21 15 15 Now as I looked at the living creatures, I saw a wheel on the earth beside the living creatures, one for each of the four of them. 16 As for the appearance of the wheels and their construction: their appearance was like bthe gleaming of beryl. And the four had the same likeness, their appearance and construction being as it were a wheel within a wheel. 17 When they went, they went in any of their four directions without turning as they went. 18 And their rims were tall and awesome, gand the rims of all four were full of eyes all around. 19 And when the living creatures went, the wheels went beside them; and when the living creatures rose from the earth, the wheels rose. 20 Wherever the spirit wanted to go, they went, and the wheels rose along with them, for the spirit of the living creatures was in the wheels. 21 When those went, these went; and when those stood, these stood; and when th