Hello, and welcome! While you're in the planning stages, have a look at the requirements to sponsor her visa, if you haven't already. I'm glad you found us!
Do you know which financial category you'll apply under (cat A: salary of at least £18,600pa from the same employer for at least six months; cat B: wages of at least £18,600pa from one or more employers over the last 12 months and continued employment of £18,600pa going forward; cat D: cash savings of at least £62,500 that you and/or your partner have held for at least six months; or a couple of more complicated )?