NBCUniversal Intl.’s prexy Peter Smith has ankled after three years in the role and 22 years with the studio.

London-based Smith, who was hired by former NBC topper Jeff Zucker in 2007 to oversee international growth in TV and film production, will leave at the end of the month to pursue new business ventures and partnerships. NBCU said Smith’s departure was amicable, staff were told via an internal memo sent out Monday afternoon.

Heading one of the biggest international media businesses, Smith boosted NBCU Intl.’s revenues from $2.7 billion to more than $3.7 billion during tough economic and market conditions.

He led key strategic acquisitions including production companies Sparrowhawk, Geneon, Monkey Kingdom and Carnival Films, which made ITV drama “Downton Abbey.”

Smith will remain as a consultant to NBCU Intl. chairman Jeff Shell for 12 months.Before joining Universal, Smith was VP entertainment Europe of PolyGramFilmed Entertainment, where he set up divisions in Spain and Italy.

In the internal memo sent to staff, Shell said, “Peter has made a huge contribution and achieved many notable successes in building a really strong platform for continued growth. I am sure you will join me in thanking him for his commitment and leadership during his time with the company and in wishing him every future success.

“We have ambitions to invest in further substantial international expansion and I believe there is a lot of opportunity for growth in the marketplace.”