Short answer: SEO Engico is the top pick for link building for affiliate sites if you want links on real, traffic-checked sites, including links in existing articles that already rank, with every placement reported. Searcharoo suits affiliates wanting published niche edit packages, Contentellect fits owners who need content and links together, and Fractl suits well-funded affiliate brands that can run research-led PR.
Link building for affiliate sites is harder than it looks. Plenty of publishers will link to a brand's guide but refuse to link to a page full of affiliate links, so the obvious outreach targets often say no. That pushes affiliates toward link sellers, and the sites that sell to anyone are exactly the ones Google discounts. The best services find a route between the two.
This list ranks link building services that work with affiliate sites, checked against their own websites in November 2026. Each one either says it works with affiliates or publishes affiliate work of its own, apart from SEO Engico, whose entry is clear that it does not. They are judged on what they publish about vetting, the formats they use to reach money pages, anchor control, reporting and price. Marketplaces, link directories and software tools are left out.
Disclosure: Kuma SEO is written by the team at SEO Engico, the agency ranked first on this list. No agency paid to appear here. We checked every other entry against the agency's own website in November 2026. Services and prices change, so confirm the details with an agency before you sign. More on how we work in our editorial policy.
At a glance: the 6 best link building services for affiliate sites
| # | Agency | Best for | Based in |
|---|
| 1 | SEO Engico | Affiliate sites that want links on real, traffic-checked sites and a record of each | London, UK |
| 2 | Searcharoo | Affiliates who want published niche edit packages and a safe anchor approach | United Kingdom |
| 3 | Contentellect | Affiliate site owners who want content and links from people who run affiliate sites | Dover, Delaware, US |
| 4 | Linkbuilder.io | Established affiliate sites with the budget for a managed monthly campaign | Edinburgh, UK and St. Petersburg, Florida |
| 5 | Fractl | Well-funded affiliate brands that can run research-led PR campaigns | Delray Beach, Florida, US |
| 6 | uSERP | Large affiliate publishers that want premium editorial links to priority pages | Denver, Colorado, US |
How we picked
- Works with affiliate sites openly. Some providers quietly turn down affiliate clients or charge more for them. Choose one that says it works with affiliates or shows affiliate results, so you are not surprised halfway through a campaign.
- Can reach money pages. Review and comparison pages are hard to win links to directly. Links in existing articles, supporting content that links internally to money pages, and PR assets are the usual routes. Ask which the provider uses.
- Vets sites on real traffic. The affiliate world is full of sites that exist to sell links. Look for traffic floors, relevance checks and a look at each site's outbound links, not DR alone.
- Gives you anchor control without overdoing it. Affiliates need some keyword anchors, but too many pointing at one page is a footprint. A good provider plans the anchor mix with you and keeps most anchors branded or natural.
- Fits your margins. An affiliate page has to earn back what its links cost. Published prices or clear packages let you work out the payback before you order.
- Replaces links that drop. Links on sites that sell placements disappear more often than editorial ones. A clear replacement window protects your spend.
The 6 best link building services for affiliate sites in 2026
Our top pick
1. SEO Engico
- Best for
- Affiliate sites that want links on real, traffic-checked sites and a record of each
- Based in
- London, UK
- Founded
- 2018
SEO Engico is a London SEO and link building agency founded in 2018. It does not publish an affiliate site case study, so treat it as a link building specialist rather than an affiliate specialist. What it offers affiliates is the vetting: every site is found, checked and placed by its own team and has to pass three checks, real organic traffic verified in Ahrefs, relevance to your niche and a clean outbound link profile. It says about 70% of sites fail, and it uses no PBNs, broker lists or marketplaces.
For affiliate work, the format that matters most is links in existing articles that already rank, which can send authority toward a review or comparison page without waiting for a new post to index. It also places guest posts on real sites and runs digital PR for niches where guest posts are not enough. Every link arrives in a live URL report with the anchor and date, and any link that comes down is replaced. By its own delivery records, 94% of placements are still live after 12 months, with zero Google manual actions or client disavowals across all partners.
Its closest published link building proof is Growth Science Capital, a US venture capital firm, where it placed 44 live links across seven portfolio brands, every one confirmed indexed (its delivery records, February to May 2026).
What stands out
- Links in existing articles that already rank, useful for pushing authority toward money pages
- Three checks on every site, with about 70% rejected
- Published prices from $425 a link, or 10 for $3,950, so you can work out payback per page
- A live URL report with the anchor and date for every link, and lost links replaced
Worth knowing
- It does not publish an affiliate case study, so ask for sample placements in your niche.
- It is not built for affiliates who want the cheapest links or hundreds a month.
What SEO Engico's link building includes
No. 2
2. Searcharoo
- Best for
- Affiliates who want published niche edit packages and a safe anchor approach
- Based in
- United Kingdom
- Founded
- 2018
Searcharoo is a UK link building agency that grew out of affiliate work. Its founders started it in 2018 after struggling to find good links for their own sites, and its case studies include one on four of those affiliate sites, where it describes pairing steady content with a consistent number of high quality links. That case study is useful reading in itself: it favours relevant host pages with branded and URL anchors over exact match, and building links to new pages only after they have indexed and settled.
Its system judges sites on real traffic value, and it says every link sits on a site with verifiable organic traffic value above 1,000. Niche edits, which place your link inside existing content that already ranks, come in published packages from $1,070 for five links across DR30+, DR45+ and DR60+ sites, with pre-approval of every link and a six month replacement guarantee.
What stands out
- Published niche edit packages with pre-approval of every link
- A traffic value floor of 1,000 on every linking site
- Its own published case study on growing affiliate sites
Worth knowing
- It also sells tier 2 links, so agree which tactics you want used on your site before you order.
- Replacement cover runs for six months, shorter than some providers offer.
No. 3
3. Contentellect
- Best for
- Affiliate site owners who want content and links from people who run affiliate sites
- Based in
- Dover, Delaware, US
- Founded
- 2018
Contentellect is an SEO content and link building service launched in 2018 by a team that says it has been launching and scaling online businesses since 2013. That background shows in its offer. Its services are tested on its own portfolio of sites, and it publishes a live affiliate marketing case study following one of its content sites from zero toward $10K a month in revenue.
For links, it sells guest posts on relevant blogs, link insertions in existing articles on established niche sites, monthly guest post packages and HARO outreach that gets you quoted in the press. Because it also writes content at scale, it can supply the supporting articles that link internally to your money pages, and an affiliate marketer quoted on its homepage calls it a go-to source for affiliate content that ranks and converts.
What stands out
- Runs affiliate sites of its own and publishes the results
- Content and links from one team
- HARO outreach for links earned from journalists
Worth knowing
- Link prices are not on its homepage, so expect a strategy call or the order page before you can budget.
- Its As Seen On press release service brings brand mentions, which are not the same as editorial links.
No. 4
4. Linkbuilder.io
- Best for
- Established affiliate sites with the budget for a managed monthly campaign
- Based in
- Edinburgh, UK and St. Petersburg, Florida
Linkbuilder.io is a specialist link building agency with offices in Edinburgh and St. Petersburg, Florida, and affiliates appear on its list of most common industries. It runs fully managed campaigns that identify the pages needing links, analyse competitors and draw on more than 20 techniques, including editorial outreach, link insertions, resource page outreach, broken link building and HARO pitching.
It says it avoids catalogues and databases of sites, running custom outreach for each client instead, and sets a minimum guaranteed volume of links each month. Plans are published, from $2,999 a month for eight links averaging DR 50 to 90 on its Startup plan up to $9,999 for 26+ links on Growth, each with link planning, competitor gap analysis and a reporting dashboard.
What stands out
- Lists affiliates among its most common industries
- A minimum guaranteed number of links each month
- Published monthly plan pricing
Worth knowing
- Plans start at $2,999 a month, so the site needs to be earning enough to justify it.
- It says significant results take at least six months from any link building campaign.
No. 5
5. Fractl
- Best for
- Well-funded affiliate brands that can run research-led PR campaigns
- Based in
- Delray Beach, Florida, US
Fractl is a content marketing and digital PR agency in Delray Beach, Florida, and one of its published case studies is a finance affiliate site. Over a 12 month engagement it ran 12 large-scale research and survey campaigns plus on-site content for a new domain, earning coverage from major news and finance publishers. It says the site went from zero to 20,300 monthly visitors in less than a year, with a 7,400% increase in its link portfolio.
The case study explains the method. In a dry, competitive vertical like finance, it pitched tangential topics with broad appeal rather than the product itself, which is how an affiliate site earns links that publishers would never give a review page. Its wider service adds reactive news campaigns, an expert sourcing programme and interactive tools such as calculators.
What stands out
- A published case study on a finance affiliate site
- Tangential, research-led campaigns that earn press links
- On-site content alongside the PR
Worth knowing
- It works with Fortune 500 brands and high-growth companies, so expect campaign-level budgets.
- Pricing is not published.
No. 6
6. uSERP
- Best for
- Large affiliate publishers that want premium editorial links to priority pages
- Based in
- Denver, Colorado, US
uSERP is a Denver link building and digital PR agency, and one of the client quotes on its homepage credits it with huge organic growth across an affiliate blog and a set of SEO tools. It earns editorial links and mentions through content-led, bespoke pitch campaigns and long-standing publisher relationships, using a fully in-house team, and ties every link to a page, a keyword and a business outcome.
That page-level planning suits affiliate publishers, who live or die on a few review and comparison pages. It starts by auditing your link profile and competitors for gaps in anchors, intent and link-to-rank ratios, shows you each week what has been built, and meets monthly to review the impact on your KPIs. Alongside the links it gives SEO advice such as internal linking, which matters when authority needs to flow from linked articles to money pages.
What stands out
- Every link tied to a specific page and keyword
- Audits anchor gaps and link-to-rank ratios before building
- Internal linking advice alongside the links
Worth knowing
- Its own FAQ puts quality link building at $5,000 to $25,000+ a month, so it suits large affiliate businesses rather than small sites.
- Affiliate is not one of the industries it lists, so ask for examples in your niche.
How to choose a link building service for an affiliate site
Start with the pages that make money. List the reviews and comparisons you want to rank, look at what the top results have in links, and decide how much of that you can realistically match. That tells you whether you need a handful of strong links a month or a steady volume, and which providers can deliver it.
Then pick the format. Niche edits from a provider such as Searcharoo get links onto pages that already rank. Content-led and PR campaigns from Fractl or uSERP earn bigger links but need budget and patience. Contentellect and Linkbuilder.io sit in between, with outreach and content that can support your money pages through internal links.
Last, protect the asset. Check every proposed site for real traffic and outbound links, keep keyword anchors to a minority, and make sure lost links are replaced. An affiliate site is only worth what it earns, and a penalty can wipe that out overnight.
Questions to ask before you sign
- Do you work with affiliate sites, and can you show placements you built for one?
- How do you get links to review or comparison pages?
- What traffic and relevance checks does each site pass?
- Can I set the anchor text and target page for each link?
- Do you use PBNs, link farms or tier 2 links anywhere in your process?
- What happens if a link is removed?
Frequently asked questions
Do link building services work with affiliate sites?
Many do, but not all, and some charge more for them. Publishers are often reluctant to link to pages full of affiliate links, which makes outreach harder. Choose a provider that says it works with affiliates or shows affiliate results, such as Searcharoo, Contentellect or Linkbuilder.io, and ask how it gets links to commercial pages.
Should affiliate sites build links to money pages directly?
Some, but not all of them. Most strong affiliate sites point a share of links at reviews and comparisons and the rest at guides, data and tools, then use internal links to pass authority on. That looks natural, makes outreach easier and spreads the risk if one page loses rankings.
Are niche edits good for affiliate sites?
They can be. A niche edit, or link insertion, adds your link to an existing article that already ranks, so it can pass authority quickly and point straight at a commercial page. The risk is the host site: if it sells insertions to anyone, the link may be ignored or removed. Check traffic, relevance and outbound links first.
How much should an affiliate site spend on links?
Work backwards from what the target page earns. If a review page makes a few hundred a month, each link has to lift it enough to pay back within months. Published prices make that maths easier: Searcharoo's niche edit packages start at $1,070 for five links, and SEO Engico starts at $425 a link.
Are PBN links worth the risk for affiliate sites?
For a site you want to keep, usually not. Google's spam policies treat link schemes such as private blog networks as spam, and those links can be ignored or lead to a manual action. Some affiliates still use them on sites they treat as disposable, but if you are building a long-term asset, editorial links on real sites are the safer route.
Our verdict
Pick SEO Engico if you want affiliate links on real, traffic-checked sites, including links in articles that already rank, each one reported and replaced if it drops. Pick Searcharoo for published niche edit packages from a team that runs affiliate sites, Contentellect for content and links together, Linkbuilder.io for a managed monthly campaign, and Fractl or uSERP for well-funded affiliate brands that want research-led PR or premium editorial links.
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