The 3% stuff is at Wikipedia.

Big Machine Records

Soon after, Big Machine released Swift's first ever recording, the single "Tim McGraw" and her debut album Taylor Swift. Keith dropped his affiliation with the label in 2006, but he was reported as an equity holder in November 2014, alongside the Swift family and Borchetta (the latter reportedly owning 60 percent of the company at the time). In October 2012, Borchetta told Rolling Stone magazine: "[Taylor Swift's father] Scott Swift owns three percent of Big Machine."

Her dad doesn't have a Wikipedia page but he does have a page at a fan site.

Scott Swift | Taylor Swift Wiki | Fandom

In an interview, Taylor briefly discusses her father's work:

In a recent Google/YouTube interview, Ms. Taylor said that at 8, while friends reported wanting to grow up and become astronauts and ballerinas, she wanted to be a financial adviser, like her dad. “My dad is so passionate about what he does, like in the way I'm passionate about music," Ms. Swift said. "He's so gung-ho for his job, and I saw how happy it made him and I just thought, like, 'I can broke stocks.'"