The site's critical consensus reads, "Churchill gets sterling work out of Brian Cox in the leading role, but it isn't enough to overcome a muddled and ultimately unsuccessful approach to an incredible real-life story.

"[14] His review went into detail on numerous errors, such as the false portrayal of Churchill as anti-American, or claims that he dithered about Operation Overlord (the Normandy landing), or the marital strife with his wife, Clementine.

Robbie Collin of The Daily Telegraph rated the film 4/5 stars and said that "Brian Cox dazzles in a scalpel-sharp, timely lesson in political leadership", while Peter Bradshaw, writing for The Guardian, noted that "Miranda Richardson shrewdly plays Churchill's wife Clemmie: imperious, exasperated, gimlet-eyed", and rated the film 3/5 stars.

In Time Out magazine, Tom Huddleston rated the film 3/5 stars and wrote "Cox is rudely magnificent, capturing not just the wilfulness of the man but the nagging self-doubt at his inner core."

[15] Gary Goldstein of the Los Angeles Times wrote, "Brian Cox's towering performance in Churchill is worthy of the great man himself".

[16] In the Radio Times, Alan Jones said Cox "gives a tremendous performance as the charismatic politician who inspired Great Britain to resist Adolf Hitler.