Link building is one of those SEO jobs that sounds easy until you actually try doing it for a SaaS company.
You can publish content all month and still struggle to get other websites to mention it. And the obvious shortcut, buying a pile of cheap links, usually isn't the kind of strategy a serious SaaS company wants to be attached to its domain.
The better agencies tend to approach this differently. They look for relevant sites, pitch editors, build relationships, create content when needed, and try to earn links that make sense for the page receiving them.
But even among agencies that say they do "quality link building," the approach can be very different.
Some are heavily focused on link acquisition. Some combine link building with content and digital PR. Others are built specifically around B2B SaaS and measure campaigns against leads, signups, or revenue rather than just the number of links delivered.
That's what matters in this comparison.
Before You Pick One
A few things are worth knowing before you compare prices. LinkBuilder.io and GoPeak both show up on “best SaaS” lists, but neither works only with SaaS companies; they serve many industries. dofollow.com, Scalerrs, SASSY LINKS, and Skale are genuinely SaaS-only and will say no to other types of clients.
Growfusely is different again, it bundles content writing with link building instead of just building links. uSERP sits at the expensive end, built for funded or established SaaS brands chasing big-name press coverage.
Editorial.link stands out because it actually publishes its prices instead of making you book a call to find out. And Heroic Rankings is worth a mention only because it's brand new, founded in late 2024, so there's not much of a track record to check yet.
LinkBuilder.io

LinkBuilder.io is a link-building agency, not a broad marketing shop.
LinkBuilder.io offers link-building methods and creates custom outreach campaigns to target sites that match the client’s niche and content. The company also publishes case studies showing campaigns built around different industries and levels of link volume.
One thing worth noting is the scale of the service. The agency offers packages and larger campaigns. This can be useful for companies that already know how many link acquisitions they need.
Best For: Best for SaaS companies that want a link‑building agency instead of a general SEO retainer.
Dofollow.com

Dofollow.com is especially interesting for B2B SaaS because its positioning revolves around links, brand mentions, and placements in comparison and list‑style content.
The agency claims it uses outreach and does not send the same fixed list of websites to every client. This matters because SaaS campaigns can become repetitive quickly when agencies recycle the publishers.
It also provides reporting around placements and campaign performance.
Best For: B2B SaaS brands that want editorial placements rather than a high-volume backlink package.
Editorial.Link

Editorial.Link takes a fairly straightforward approach: find relevant pages and publications, pitch them, and secure editorial links.
Its current pricing includes managed packages with permanent do-follow editorial links, publisher approval before outreach, and different levels of campaign size. It also offers custom campaigns that can mix editorial links, guest posts, and other placements.
SaaS is one of the agency’s sectors. Also, the agency also publishes case studies from software and SaaS clients.
Best For: SaaS companies that want high-authority editorial links and a more controlled placement process.
uSERP

uSERP is the option on this list that feels most geared toward companies with serious SEO budgets.
LinkBuilder.io focuses on high‑authority and high‑traffic placements. Its bigger selling point is that link building is tied to SEO and business outcomes instead of being treated as an isolated task. LinkBuilder.io’s current SaaS offering also includes content strategy, technical SEO and digital PR.
That makes uSERP more interesting once SEO is already an important acquisition channel for the company.
It is also one of the more expensive options in this group. Its published packages currently start at $10,000 per month.
Best For: Established SaaS companies with larger SEO budgets and clear growth targets.
Growfusely

Growfusely has been seen working in the SaaS link building area for years, and its approach relies heavily on content.
The agency mixes backlink audits, strategic outreach, content‑led link building, thought leadership, digital PR‑style tactics, and linkable assets. It also publishes SaaS case studies rather than presenting link building as a simple “X links per month” service.
That can be useful for SaaS brands whose existing content library needs to play a bigger role in earning links.
Best For: SaaS companies that want content and link building to work together.
Scalerrs

Scalerrs goes beyond link building.
Its current SaaS offering combines SEO, content, link building, Reddit, third-party listicles, and AI search visibility. On its dedicated link-building service, the agency says it targets B2B SaaS websites and builds links to pages that matter commercially.
That's a different proposition from hiring a company purely to build backlinks.
The tradeoff is that you may not need the service if your technical SEO, content, and strategy are already handled internally.
Best For: B2B SaaS companies that want link building as part of a wider organic growth program.
Heroic Rankings

Heroic Rankings offers link building as part of a broader SEO service.
Its off-page work includes guest posting, niche edits, link exchanges, and directory submissions, alongside competitor backlink analysis and reporting.
The agency also works across SEO, content, and other organic search channels, which may suit a company that doesn't want to manage separate vendors for every part of SEO.
It's worth being selective about the exact campaign you buy, though. A SaaS company that only needs editorial backlinks may not need a fully managed SEO engagement.
Best For: SaaS companies that want link building alongside broader SEO support.
SASSY LINKS

SASSY LINKS is one of the more narrowly positioned options in this list, which can actually be useful when you're specifically shopping for SaaS link building rather than a general SEO agency.
For a SaaS company, the advantage of a specialist is usually the context. The kinds of pages that attract links, the publications worth pitching, and the websites that overlap with your audience are different from a local business campaign.
Before signing, pay attention to the real publisher examples, traffic quality, link placement standards, and the level of control you have over the target sites.
Best For: SaaS companies that want to work with a specialist rather than a broad SEO agency.
Skale

Skale's a SaaS SEO shop - link building is just one piece of what they do. They mix strategy, content, and links, but the campaigns get judged by signups, SQLs, and revenue, not just where you rank.
On links specifically, they say it's real outreach to sites that actually matter, not some volume play. That revenue-first framing is probably why SaaS companies who've stopped caring about rankings alone end up looking at them.
Best For: SaaS brands that want link building tied closely to pipeline and revenue goals.
GoPeak

GoPeak is another specialist agency with a strong focus on SaaS and link building.
Its current service includes contextual link building, link insertions, and guest posting, along with brand and listicle mentions aimed at visibility in AI-generated search results. The company says placements are traffic-verified and acquired through manual outreach.
It is a good choice for teams that want traditional SEO link building and also care about how third‑party mentions influence visibility in AI search.
Best For: Growing SaaS companies and agencies looking for contextual links and broader search visibility.
What a Link Building Agency Should Actually Do
Since these are services, not software, a features list doesn't quite fit. Here's what actually matters instead:
- Real, published pricing. Agencies that show real prices, like editorial.link, let you compare before wasting time on a sales call.
- Manual outreach, not marketplaces. Links bought from a marketplace tend to carry less weight and more risk than ones earned through real outreach to real site owners.
- SaaS-only versus general. A few of these agencies work across many industries despite calling themselves SaaS-focused. Ask directly how many SaaS clients they've actually worked with.
- AI visibility, not just Google rankings. More agencies now build links meant to get you mentioned by tools like ChatGPT, not just ranked on Google, which is worth asking about directly.
- Track record. A newer agency like Heroic Rankings isn't automatically bad, but it does mean fewer case studies to check before you commit.
How to choose a SaaS link-building agency
Don't start with the promised number of backlinks.
Start with the sites.
Ask the agency to show you examples of recent placements. Look at the actual pages, not just the domain rating. Does the website have real traffic? Is it relevant to your market? Are there other outbound links on the page that make the placement look paid or forced?
Then ask where the links will point.
A good campaign won't necessarily send 20 links to your homepage. Some links may be more useful, pointing to product pages, comparison pages, research, original data, tools, or genuinely useful blog content.
Also ask how much input you get before a placement goes live. Being able to reject an irrelevant website is a useful safety valve.
Best SaaS link building agencies by use case
- Best for dedicated link building: LinkBuilder.io
- Best for B2B SaaS editorial placements: dofollow.com
- Best for controlled editorial links: Editorial.Link
- Best for larger SEO campaigns: uSERP
- Best for content-led link building: Growfusely
- Best for SaaS SEO plus link building: Scalerrs
- Best for broader SEO support: Heroic Rankings
- Best for SaaS-specific link building: SASSY LINKS
- Best for revenue-focused SaaS SEO: Skale
- Best for growing SaaS brands and agencies: GoPeak
Bottom Line
There isn't one agency here that makes sense for every SaaS company.
A startup with a small SEO budget probably doesn't need the same partner as an established B2B SaaS company spending five figures a month on organic growth.
For dedicated link acquisition, LinkBuilder.io is worth a look. dofollow.com and Editorial.Link are interesting when editorial placements are the priority. uSERP makes more sense for larger campaigns where SEO is already a major acquisition channel.
If content is an important part of your strategy, look at Growfusely. If you want a wider SaaS SEO program, Scalerrs and Skale are more natural fits. Heroic Rankings is worth considering when broader SEO support matters too.
SASSY LINKS makes sense for teams specifically looking for a SaaS-focused provider, while GoPeak is worth comparing if AI search visibility is also part of your plan.
The main thing is not to buy links because an agency promises a certain monthly number.
Buy a campaign because you will know where the links come from, why those sites matter, and what pages they are meant to help.


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