- Heavy Infantry.
- This is the personal bodyguard of the Company Master.
- The Command Squad is headed by a Company Champion, a lesser Commander of the Chapter.
- A Marine with the mission to engage warlords and champions of the foe in single combat.
- Can be reinforced with Marine Champions, a Veteran Sergeant, an Apothecary, and the Standard Bearer.
- Excluding the Marine Champions, only one leader of each is allowed.
- The Company Master must be present for the Command Squad to be buildable or reinforced.
- Cannot be fielded if the stand-alone Standard Bearer is present.
- Effective against Infantry.