What do SEO link building services actually do?
The honest version is mostly research and outreach. We work out which pages and topics could realistically earn coverage, build something worth linking to, then contact the people who might care.
What we do not do is buy placements, rent from a network, or trade links in a circle. Those are the exact patterns Google spends every core update learning to discount, and they put the whole domain at risk rather than one page.
My position has not changed in a decade of doing this: link building only survives core updates when it is built for the audience first. A link a real reader would follow is the same link an algorithm has no reason to strip.

