Use Strategies mentioned here https://www.rankontechnologies.com/link-building-techniques/ to create high quality backlinks for your business/website.
Offpage/Link Building strategies explained in this video are give below –
Broken Backlink Building
Scholarship Link Building
Ask for Interview
Help a reporter Out
Become a Co-Author
Steal The Link Juice From Competitors
Use Link Intersect
Dead links on Wikipedia
List type content – Example – Top 50 SEO tools etc
Get backlinks from mentions
If you have any questions feel free to ask in comment and i will try to reply comments ASAP.