[6] The film is set in London and centers on male prostitution, chronicling a year in the life of rent-boy Pete.

[7] Haigh's second feature, the highly acclaimed romantic drama Weekend about a 48-hour relationship between two men (played by Tom Cullen and Chris New), premiered on 11 March 2011 at the SXSW Film Festival, where it won the Audience Award for Emerging Visions.

Kate Taylor of The Globe and Mail wrote: "45 Years exposes the paradoxical balance of the successful marriage, one that requires a sentimental suspension of disbelief on the one hand and a hard-headed ability to deal with the everyday on the other.

"[14] Haigh co-created, co-produced and occasionally wrote and directed the HBO drama series Looking (2014–2016), about a group of gay men in San Francisco, which struggled to attract audiences despite receiving generally positive reviews from critics.

[23] In 2023, Haigh returned to film directing the romance drama All of Us Strangers starring Andrew Scott and Paul Mescal.

[update] Peter Debruge of Variety praised the film writing, "Haigh brings a sense of intimacy to this movie, presenting us with characters who are willing to be vulnerable to partners they barely know.

[25] Haigh participated in the 2022 Sight and Sound poll, which is held once every 10 years for contemporary filmmakers to select their 10 favourite films in no particular order; he chose Black Narcissus (1947), Some Like It Hot (1959), L'avventura (1960), The Manchurian Candidate (1962), Cries and Whispers (1972), Don't Look Now (1973), Watership Down (1978), Ratcatcher (1999), Uzak (2002), and The Holy Girl (2004).