The 8 best link building agencies in 2026 - Rankshift

The 8 best link building agencies in 2026

TL;DR

Backlinks are still one of the strongest signals search engines use to decide who ranks, and that has not changed in the age of AI search. If anything, it matters more: the links and mentions that earn you rankings are increasingly the same signals that get your brand cited inside ChatGPT, Perplexity, and Google’s AI Overviews. The catch is that quality link building is slow, relationship heavy, and easy to get wrong in ways that trigger a Google penalty. That is why so many teams hand it to a specialist agency.

The problem is that every agency claims to be the best, and the SEO industry has more than its share of vendors selling cheap links that do more harm than good. So instead of trusting the marketing, I took a data-first approach. I analyzed how the leading AI search engines actually answer questions like “best link building agency” and “top link building companies,” pulling the names they recommend most across hundreds of responses. Then I cross-checked those results against independent review platforms like Clutch and DesignRush, and verified each agency’s focus, leadership, and track record.

The same eight names kept surfacing. Here they are, what they are best at, and where each one falls short.

The best link building agencies at a glance

Agency Best for HQ Starting price
uSERP SaaS and enterprise digital PR Denver, USA From around $2,999/month
FATJOE Scalable, white-label link building Cannock, UK Per-link, from low hundreds
Siege Media Content-driven link earning San Diego, USA Custom retainer
Editorial.Link Specialist editorial backlinks St. Petersburg, USA From $375/link
Page One Power Sustainable custom campaigns Boise, USA Custom, monthly
LinkBuilder.io Bespoke B2B and SaaS outreach Edinburgh, UK Custom, monthly
Stellar SEO Regulated industries and agencies Nashville, USA Custom, monthly
The HOTH Budget-friendly productized links St. Petersburg, USA Per-link, entry level

What makes the best link building agency?

Link building is one of those services where the gap between the best and the worst is enormous, and the worst can actively damage your site. Analyzing how AI search engines and independent reviewers justify their picks, the same handful of criteria come up again and again. These are what I looked for.

Best link building agency for SaaS and enterprise

uSERP

Details: Founded in 2019 in Denver, Colorado.

Website: userp.io

Price: Custom retainers, typically starting around $2,999/month.

uSERP Pros:

uSERP Cons:

Best link building agency for scalable, white-label services

FATJOE

Details: Founded in 2012 in the UK.

Website: fatjoe.com

Price: Per-deliverable pricing, with individual links starting in the low hundreds.

FATJOE Pros:

FATJOE Cons:

Best link building agency for content-driven link earning

Siege Media

Details: Founded in 2012 in San Diego, California.

Website: siegemedia.com

Price: Custom retainers based on scope.

Siege Media Pros:

Siege Media Cons:

Best link building agency for specialist editorial backlinks

Editorial.Link

Details: Launched in 2020 in St. Petersburg, Florida.

Website: editorial.link

Price: From around $375 per backlink.

Editorial.Link Pros:

Editorial.Link Cons:

Best link building agency for sustainable, custom campaigns

Page One Power

Details: Founded in 2010 in Boise, Idaho.

Website: pageonepower.com

Price: Custom monthly campaigns based on goals and volume.

Page One Power Pros:

Page One Power Cons:

Best link building agency for bespoke B2B and SaaS outreach

LinkBuilder.io

Details: Founded in 2016 in Edinburgh, Scotland.

Website: linkbuilder.io

Price: Custom monthly programs, quoted per client.

LinkBuilder.io Pros:

LinkBuilder.io Cons:

Best link building agency for regulated industries and agencies

Stellar SEO

Details: Founded in 2012 in Nashville, Tennessee.

Website: stellarseo.com

Price: Custom monthly campaigns based on scope.

Stellar SEO Pros:

Stellar SEO Cons:

Best link building agency for budget-friendly, productized links

The HOTH

Details: Founded in 2010 in Chicago.

Website: thehoth.com

Price: Per-link and packaged pricing at an accessible starting point.

The HOTH Pros:

The HOTH Cons:

Which link building agency should you choose?

There is no single best agency for everyone, but the right fit usually becomes obvious once you know your situation. If you are a funded SaaS or B2B brand chasing authority, uSERP, Siege Media, LinkBuilder.io, and Editorial.Link are the natural shortlist. If you run an agency or need scalable, white-label output, FATJOE, Stellar SEO, and The HOTH are built for that. And if you want a long-term, strategy-led custom program, Page One Power stands out.

Methodology: agency selection and rankings in this article are informed by an analysis of how the leading AI search engines (ChatGPT, Google AI Overviews) recommend link building agencies, cross-referenced with independent review directories and verified company information.

Pieter Verschueren

Pieter Verschueren is the co-founder of Rankshift AI and Depends SEO agency. He specializes in SEO and the emerging field of Generative Engine Optimization.