SaaS DR Backlink Growth

My AI Phone Assistant SaaS is still young, sitting in the 0-20 DR range, and I want to push that number up quickly through high-quality backlinks. I’m happy to run an initial test campaign on a $30-80 budget, provided I can see clear metrics and approve every domain before anything goes live... (Budget: €30 - €150 EUR, Jobs: AI App Development, Analytics, Content Marketing, Digital Marketing, Internet Marketing, Link Building, Marketing, SEO)