In 2010, he starred in the BBC television production The Song of Lunch alongside Emma Thompson. That same year he provided the voice of Absolem the Caterpillar in Tim Burton’s film Alice in Wonderland (2010).
Rickman again appeared as Severus Snape in the final instalment in the Harry Potter series, Harry Potter and the Deathly Hallows – Part 2 (2011). Throughout the series, his portrayal of Snape garnered widespread critical acclaim. Kenneth Turan of the Los Angeles Times said Rickman « as always, makes the most lasting impression », while Peter Travers of Rolling Stone magazine called Rickman « sublime at giving us a glimpse at last into the secret nurturing heart that … Snape masks with a sneer. » Media coverage characterised Rickman’s performance as worthy of nomination for an Academy Award for Best Supporting Actor. His last appearance as Snape saw him receive award nominations in 2011, including at the Saturn Awards and the Scream Awards.
In November 2011, Rickman opened in Seminar, a new play by Theresa Rebeck, at the John Golden Theatre on Broadway. Rickman, who left the production in April, won the Broadway.com Audience Choice Award for Favorite Actor in a Play and was nominated for a Drama League Award. Rickman starred with Colin Firth and Cameron Diaz in Gambit (2012) by Michael Hoffman, a remake of the 1966 film. In 2013, he played Hilly Kristal, the founder of the East Village punk-rock club CBGB, in the CBGB film with Rupert Grint.
In 2014, he directed and starred in the costume drama film, A Little Chaos starring Kate Winslet, Jennifer Ehle, and Stanley Tucci. The film premiered at the Toronto International Film Festival. The film received mixed reviews with its critics consensus reading, « Stylish and well-acted without ever living up to its dramatic potential, A Little Chaos is shouldered by the impressive efforts of a talented cast. » The following year he starred in Gavin Hood’s Eye in the Sky (2015) starring Helen Mirren, Aaron Paul, and Barkhad Abdi. This would be Rickman’s final onscreen performance. The film debuted at the 2015 Toronto International Film Festival to great acclaim, receiving a Rotten Tomatoes score of 95%, based on 175 critics, with the consensus being, « As taut as it is timely, Eye in the Sky offers a powerfully acted – and unusually cerebral – spin on the modern wartime political thriller. »