In 2008, Garcia executive produced the documentary Theater of War, directed by John Walter and starring Meryl Streep and Kevin Kline. This was followed by the Christmas-themed romantic drama film Lovely, Still (2008), starring Martin Landau and Ellen Burstyn. The following year, Garcia produced the documentary Racing Dreams (2009). Directed by Marshall Curry, the film follows two boys and a girl as they compete and aspire to become professional NASCAR drivers. The film was critically acclaimed, winning Best Documentary at the 2009 Tribeca Film Festival, where it was also runner up for the Audience Award. The film received a 100% fresh rating from Rotten Tomatoes based on 26 reviews, with a weighted average of 7.38/10. The film was called "The best film of the year" by the Los Angeles Times ("The Envelope") and "Absorbing… one of the rare documentaries you leave wishing it was a little longer, " by The New York Times.
In 2012, Garcia and Johnson co-founded their production company, Seven Bucks Productions. Garcia then produced the action film Snitch (2013), directed by Ric Roman Waugh and starring Johnson, followed by the reality television series The Hero. She later founded her multi-platform enterprise, The Garcia Companies and TGC Management, a global brand development and management company, representing actors Henry Cavill and Dwayne Johnson. That same year, TNT ordered eight hour-long episodes for the reality television series Wake Up Call, which premiered in 2014 and into 2015. Garcia was executive producer for all eight episodes, which was described as The Hero's "natural successor." Another reality TV series, Clash of the Corps, premiered in 2016 with Fuse TV. Garcia and Johnson later launched a digital channel for the short-TV series Millennials the Musical (2016).
In 2017, Garcia executive produced several projects for TV and the web, all starring Johnson . The first one was Rock and a Hard Place for HBO, which focuses on the lives of incarcerated young people. This was followed by the web series Logan Paul Summer Saga with American internet personality Logan Paul, Bro/Science/Life: The Series, and Lifeline.
Garcia later executive produced her first large budget film, Baywatch (2017), an action comedy film directed by Seth Gordon and based on the television series of the same name. The film was panned critically, but a box office success, grossing $177.8 million worldwide, against a production budget of $69 million. Garcia followed this up with Jumanji: Welcome to the Jungle (2017), a fantasy adventure comedy film directed by Jake Kasdan. It the third installment of the Jumanji franchise, after Zathura: A Space Adventure (2005) and a direct sequel to Jumanji (1995), which was based on the 1981 children's book of the same name by Chris Van Allsburg. Jumanji: Welcome to the Jungle received positive reviews and grossed $962.1 million worldwide, becoming one of Sony's highest-grossing films of all time.