I feel like a xeno ship would be something very civillian looking. Like- a modified non-combat ship, even, or a ship that was originally something built to mine in the silverton asteroid field and turned into a fighter with strip-downs, more engines, and guns.
Asymmetry should be its friend, here.
THE SYNDIC LEAGUES
(A co-operative of Rheinland's Shipping Unions, retired from a life of piracy.)