Review: The Best Link-Building Services For Agencies In 2025

By OpsMatters

Apr 5, 2025

3 minutes

OpsMatters

Link building is still front and center of most brands’ SEO efforts, and rightly so. Independent testing by outlets like Backlinko and Search Engine Journal suggest that it is possibly second in importance in the Google ranking algorithm, after content quality.

The reason for this is simple: links remain one of the best signals that webpages are providing users with value. Search engines, like Google, simply can’t ignore this, even if they’d like to.

For agencies, this is both an opportunity and an issue. On the one hand, they want to sell link-building services to their clients, but on the other, they don’t want to spend hours on blogger outreach or bring new staff onboard that could bloat them.

That’s where link-building services for agencies can help. These are agencies that provide various link-building services in bulk to SEO professionals or digital marketing firms that need them. Sometimes, these services are on retainer, while others are productized.

But which should you choose in 2025? Which agencies are offering the best services for agencies?

FATJOE

The best link-building service is from FATJOE. This UK- and US-based company works with thousands of marketing agencies and SEO professionals every year, producing literally thousands of content pieces every week for its clients.

What’s nice about FATJOE is how scalable it is. Agencies can place enormous orders and FATJOE and the team will work through them, clearing the backlog far quicker than would be possible in-house. Dozens of writers can be brought to bear on a single order, allowing the firm to process content work in a matter of days, not weeks or months.

Furthermore, FATJOE doesn’t place any copyright claim on its output. Instead, everything it produces is white label, based on its user-friendly approach.

Strengths:

Massive choice over domain authority (from DA30 to DA70+)
Multiple link-building options, including niche edits, guest posting, and press releases
Transparency built-in with post-placement reports and data
White-label for seamless agency usage

uSERP

Coming in at number two on our list of best link-building services for 2025 is uSERP. It focuses on offering white-hat outreach for SaaS and tech clients, making it one of the most sought-after niche agencies.

uSERP focuses mainly on high-quality, high-DA links or its clients and makes them contextual using its outreach. Sometimes, the quality of its host sites isn’t quite as high as other providers, but it understands performance-based strategies and how they lead to organic SEO growth.

uSERP is an excellent choice for new companies looking for quick links that will boost their rankings for selecting long-tail keywords. uSERP has a knack for placing links with optimal anchor texts on sites that audiences consume, enabling more click-through traffic as well.

Overall, it’s good for agencies because it emphasises quality and authority, both things that clients want. However, it also generates high-impact results, meaning it is also useful for companies that want to punch through an SEO ceiling and be more successful.

Strengths:

Sometimes produces links from high-level publications and media outlets
Focuses on generating organic link growth instead of forcing
Custom pricing based on client requirements.

LinksThatRank

The simply-named LinksThatRank is another option for agencies. External marketing and SEO firms like using this brand because of its rigorous vetting process for every link. The company is adept at reducing angry customer problems due to links that don’t meet Google’s or internal standards.

Links must pass 23 quality criteria in order to satisfy LinksThatRank’s internal team. Furthermore, staff manually process every link to ensure that it has the authority and relevance required. Links can never appear spammy and must be embedded in a relevant manner inside other content, posted on successful third-party sites.

Of course, there’s a cost to this: the price per link. However, agencies use it because it is reliable, almost risk-free, and can provide their clients with the results they want.

Strengths:

High-quality links with low risk of blowback from Google or other search engines
Meticulous manual checking of links and quality control criteria
Relatively risk-free for agencies to re-sell to their clients.

Page One Power

Page One Power is another link-building company that works with external agencies. It offers a bunch of friendly features that make managing large campaigns more straightforward and intuitive.

Part of Page One Power’s appeal comes from its white-label services for reselling to clients. It provides work as a blank canvas and doesn’t make any claims over it once it publishes and pushes them out. Agencies can market them as their own.

Furthermore, it also brings a host of additional auditing and SEO tools along with it. Agencies can use these to enhance existing client strategies from the ground up.

The downside is the retainer-based pricing. This can be quite steep, especially for smaller companies with limited outreach requirements.

Strengths:

Experts in creating highly-linkable content for additional organic boost
Suitable for agencies that want to provide full-service SEO solutions
Auditing tools to delve into campaigns and learn how to improve their effectiveness

Siege Media

Coming in at number five on our list of best link-building services for agencies in 2025 is the inimitable Siege Media. In contrast to the other agencies mentioned here, it doesn’t focus as much on building links directly. Instead, it offers content marketing and PR for a more holistic and long-term SEO solution for its clients.

Siege Media’s primary focus is on building high-performing organic content that attracts links to the host brand’s website. It has teams of writers and researchers who put together highly linkable content to attract incoming links from some of the internet’s top domains.

The downside, of course, is that it doesn’t necessarily guarantee links. Results often depend on a combination of luck and the popularity of a topic. Furthermore, it charges a retainer because of the long-term nature of what it does, so you can’t just go in, pay for what you need, and then leave.

Strengths: