Trust Flow is considered as major ranking factor by Google. I have 300+ High Trust Flow TF 30+ sites that I use to increase Trust Flow and Pass link Juice to clients Sites.
This is 100% safe and White hat SEO Tactic to get increased your site Trust Flow.
I can Increase Trust flow Upto 45 (You can message me for custom offer)
Note: I increase The Trust Flow of URL, Not of the Root Domain. It means you can also increase the Trust Flow of any specific page of a site.