A link building agency is an SEO company that helps businesses earn backlinks from other websites. Updated: ****. Most campaigns cover seven stages, from website research and content creation to outreach and reporting.
The aim is to improve a website's visibility, referral traffic and relevance through useful links from credible websites. Google uses links to discover pages and understand their relevance, but links created mainly to manipulate rankings can violate Google's spam policies.
Link Building Agency at a Glance
| Question | Answer |
|---|---|
| What does a link building agency do? | Plans and manages campaigns to earn backlinks to a client's website |
| What is a backlink? | A link from another website to a page on your website |
| What services are included? | Research, content creation, digital PR, outreach, link prospecting and reporting |
| Who uses one? | Businesses that need more organic visibility but lack the time, relationships or expertise to build links internally |
| What is the main risk? | Low-quality or manipulative links can waste money and create SEO problems |
| What should a good agency promise? | Relevant opportunities, clear processes and measurable progress, not guaranteed rankings |
What Does a Link Building Agency Do?
A link building agency plans and manages campaigns to earn backlinks from relevant websites. The work usually includes:
Analysing the website and competitors The agency reviews existing backlinks, target pages, competitors and relevant search topics.
Choosing pages or assets worth linking to These may include original research, useful guides, tools, data studies, calculators, product pages or expert commentary.
Finding relevant publishers and websites The agency looks for sites whose audiences and subject matter relate to the client's business.
Creating or improving content Some campaigns need articles, digital PR assets, statistics pages, graphics or other resources that publishers would reasonably reference.
Running outreach Outreach specialists contact journalists, editors, bloggers, website owners and industry organisations with relevant content or story ideas.
Checking live placements The agency confirms that links appear on live pages, use suitable anchor text and point to the correct destination.
Reporting results Reports may include referring websites, linked pages, campaign activity, acquired links and referral traffic.
A legitimate campaign is concerned with whether a link helps readers. It is not simply a race to place as many links as possible.
What Is a Backlink?
A backlink is a hyperlink on another website that points to a page on your website. For example, an accounting publication might link to a small-business tax guide published by an accounting software company.
Backlinks can:
- Help search engines discover pages
- Provide context about a page's subject
- Send referral traffic
- Put a business in front of a relevant audience
- Contribute to how search engines assess relevance and prominence
Google recommends descriptive, relevant anchor text and says there is no single ideal number of links for a page.
How Do Link Building Agencies Build Links?
The right method depends on the business, its industry and the content available on its website.
Digital PR
Digital PR campaigns use research, expert commentary, surveys, original data or timely stories to attract coverage from publications and industry websites.
For example, a cybersecurity company might publish research about common phishing attacks and offer expert analysis to technology journalists.
Content-Led Link Building
The agency creates a useful resource that other websites may want to reference. Examples include:
- Original industry research
- Statistical roundups
- Detailed how-to guides
- Free calculators or tools
- Market reports
- Interactive data visualisations
- Expert definitions and explanations
Resource Page Outreach
Some websites maintain resource pages for their audiences. An agency may suggest a relevant client guide for inclusion when the guide genuinely improves the page.
Broken Link Building
An agency finds a broken external link on a relevant website and suggests a suitable replacement. This approach only works when the client's page is a useful substitute for the missing resource.
Digital Partnerships and Associations
Relevant links may come from professional associations, suppliers, partners, event organisers, charities or industry bodies. These links are most useful when they reflect a real relationship rather than a manufactured placement.
Journalist and Expert Outreach
Agencies may connect a client's subject-matter experts with journalists looking for sources. A useful contribution can result in a brand mention or backlink.
What Is the Difference Between a Link Building Agency and an SEO Agency?
A link building agency specialises in acquiring backlinks. A full-service SEO agency usually covers a wider range of work, including technical SEO, content strategy, local SEO, on-page optimisation and link building.
| Agency type | Main focus | Best suited to |
|---|---|---|
| Link building agency | Backlinks, outreach and digital PR | Companies with a sound website that need authority and relevant referring domains |
| Full-service SEO agency | Technical, on-page, content and off-page SEO | Businesses that need a complete organic search strategy |
| Digital PR agency | Media coverage, brand visibility and reputation | Businesses prioritising editorial exposure and public relations |
| In-house outreach team | Link acquisition managed internally | Larger companies with content, PR and SEO staff |
A link building agency may not be the right first hire if a website has major technical problems, weak content or unclear search targeting. Links are more useful when the pages receiving them are accessible, relevant and valuable to visitors.
What Does a Link Building Agency Charge For?
Pricing usually reflects the amount and complexity of work involved. An agency may charge for:
- Campaign strategy
- Content research and production
- Data collection or original studies
- Prospecting and publisher research
- Outreach management
- Digital PR execution
- Relationship management
- Link monitoring
- Reporting and analysis
Common pricing models include:
- Monthly retainers: Ongoing strategy, outreach and reporting
- Project-based campaigns: A defined campaign with a fixed scope
- Content-led campaigns: Research, asset creation and promotion
- Digital PR campaigns: Research, the news angle and media outreach
- Per-link pricing: A fixed cost for each acquired placement
Per-link pricing needs the most scrutiny because it can encourage an agency to prioritise volume over relevance. A credible provider should explain how it evaluates websites, content quality, topical relevance and editorial standards.
How Can You Identify a Good Link Building Agency?
Look for an agency that can explain:
- How it selects target websites
- Why proposed sites are relevant to your audience
- Whether links are editorial, sponsored or user-generated
- How it creates content or campaign assets
- What approval rights you have
- How it handles unsuitable or harmful opportunities
- How it measures referral traffic and business value
- What happens if a link is removed
- Which activities are handled by employees, contractors or third parties
Ask for examples that explain the strategy behind the links. A list of domain names and authority scores does not show why those placements were suitable.
The agency should also distinguish between organic editorial links and paid placements. Google advises using rel="sponsored" or rel="nofollow" for paid links, and rel="ugc" or rel="nofollow" for links placed by users in forums or other user-generated content.
What Are the Warning Signs?
Be cautious of agencies that:
- Guarantee first-page rankings
- Guarantee a fixed number of links without discussing quality
- Sell links from unrelated websites
- Use private blog networks without explaining the risk
- Rely heavily on exact-match anchor text
- Offer thousands of links at unusually low prices
- Refuse to disclose campaign methods
- Build links from automatically generated pages
- Hide sponsored relationships
- Report only domain authority or similar third-party scores
- Cannot explain why a link would help the reader
Google defines link spam as creating links mainly to manipulate search rankings. It also warns that link exchanges, paid link schemes and automatically generated links can result in ranking issues or manual actions.
Is Hiring a Link Building Agency Worth It?
Hiring a link building agency can be worthwhile when:
- Your website already has useful, technically accessible content
- Competitors have stronger backlink profiles
- Your team lacks outreach or digital PR expertise
- You operate in a competitive industry
- You can assess progress over a sustained campaign
- You want to reach relevant publishers and audiences beyond your existing network
It may not be worthwhile when:
- Your website has unresolved technical SEO problems
- Your pages give other sites little reason to link to them
- You are choosing an agency because it sells cheap links
- You expect guaranteed rankings or immediate traffic
- Your business cannot review campaign topics and target websites
Treat link building as a combination of content marketing, digital PR, relationship development and SEO. It is a poor fit when the entire plan is built around buying backlinks.
Bottom Line
Hire a link building agency when you have pages worth citing, a clear search objective and enough time to assess progress. Choose a provider that can explain its methods, connect each placement to a relevant audience and report more than third-party authority scores.