Affiliate Marketing: How to Build a Programme That Pays

Affiliate marketing is a performance-based channel where you pay a commission to external partners, publishers, or creators in exchange for traffic or sales they send your way. You only pay when a defined action happens, which makes it one of the more commercially efficient acquisition models available to most businesses.

Getting started is less complicated than most people assume. The harder part is building a programme that generates meaningful, incremental revenue rather than one that mostly rewards people who would have converted anyway.

What Affiliate Marketing Actually Is (And What It Isn’t)

I’ve sat in enough agency new business meetings to know that affiliate marketing gets described in wildly different ways depending on who’s in the room. At its core, it is straightforward: a business agrees to pay a third party a commission when that third party drives a specific outcome, typically a sale, a lead, or a sign-up.

The affiliate promotes your product through their own channels, whether that’s a content site, a price comparison platform, an email list, or a social audience. When a customer clicks their unique tracking link and completes the agreed action, the affiliate earns their cut. You pay for performance, not for reach or impressions.

What it isn’t is a passive income machine that runs itself. I’ve seen businesses launch affiliate programmes with genuine excitement, do almost nothing to recruit or manage partners, and then wonder why the channel is flat after six months. The economics only work if the programme is actively managed. Later’s overview of affiliate marketing captures the basic mechanics well if you want a grounding in the terminology before going further.

Affiliate sits within a broader category of partnership marketing, where brands collaborate with external parties to drive growth. If you want to understand how affiliate connects to other partnership models, including co-marketing, referral, and influencer arrangements, the Partnership Marketing hub on The Marketing Juice covers the full landscape.

How Do You Choose the Right Affiliate Network or Platform?

This is the first real decision, and it matters more than most people realise. The platform you choose determines which affiliates you can access, what tracking infrastructure you’re working with, and how much of the commercial relationship you control directly.

There are broadly three models. First, established affiliate networks like Awin, CJ Affiliate, and Rakuten. These give you access to large pools of existing publishers who are already set up to promote offers. The trade-off is cost: network fees, overrides, and a layer of intermediation that can make it harder to build direct relationships with your best partners.

Second, SaaS affiliate platforms like Impact, PartnerStack, or Refersion. These give you more control and transparency, and tend to suit businesses that want to manage the programme in-house with cleaner data. They’re typically better for B2B and SaaS affiliate programmes, where partner relationships are fewer but more strategic.

Third, in-house tracking. Some larger businesses build their own affiliate tracking infrastructure. This gives you complete control but requires technical resource and ongoing maintenance. Unless you have a specific reason to go this route, it’s rarely the right starting point.

My general view: if you’re a retailer or direct-to-consumer brand with a broad product range, start with a network. If you’re a SaaS business or have a tightly defined partner profile in mind, a platform like Impact or PartnerStack gives you more flexibility. The decision should follow your partner strategy, not precede it.

What Commission Structure Should You Use?

Commission structure is a commercial decision, and it deserves commercial thinking. The default approach, a flat percentage of revenue across all products, is easy to set up and easy to communicate. It’s also frequently wrong.

When I was managing performance marketing for clients across retail and travel, one of the recurring problems was affiliate programmes that paid the same rate on high-margin and low-margin products. The result was predictable: affiliates pushed volume on whatever was easiest to sell, which wasn’t always what the business most needed to move.

A few structures worth considering:

• Flat percentage rate: Simple, transparent, easy to communicate. Works well when your margin profile is relatively consistent across the catalogue.
• Tiered commission: Higher rates discover at higher volumes. This incentivises your best partners to push harder and rewards loyalty, but adds complexity to reporting and reconciliation.
• Product-level rates: Different rates for different categories or SKUs. More commercially precise, but harder to communicate and manage at scale.
• New customer premium: A higher commission rate for sales to new customers versus returning ones. This is one of the most commercially sensible structures available, because it directly addresses the incrementality problem. You pay more for the business that affiliate genuinely brings you, and less for the conversions that would have happened anyway.

Whatever structure you choose, benchmark it against the market. If your rates are significantly below category norms, you will struggle to recruit quality partners. If they’re significantly above, you may attract affiliates who are optimising for commission rather than customer quality.

How Do You Recruit Affiliates Worth Having?

The quality of your affiliate portfolio matters far more than its size. A programme with 2,000 registered affiliates and 12 active ones is not a programme. It’s a database.

When I think about affiliate recruitment, I think about it the same way I’d think about any media partnership: who has the audience I want, and is there a genuine fit between what they produce and what I’m selling? The answer to that question is usually more specific than people expect.

Start with your existing customer base. Where do your best customers come from? What content do they consume? What communities do they belong to? The publishers and creators who serve those audiences are your first-tier targets.

Practically, affiliate recruitment looks like this:

• Search for content that already ranks well for your category. If a review site or comparison page is driving organic traffic for terms relevant to your product, that publisher is worth approaching.
• Look at where your competitors are listed. Most affiliate networks have tools that show you which publishers are active in your category.
• Reach out directly, with a specific pitch. Generic “join our affiliate programme” emails perform poorly. A message that references their specific content and explains why your offer fits their audience performs significantly better.
• Make the onboarding frictionless. If it takes a new affiliate two weeks to get their tracking link and creative assets, you’ll lose half of them before they’ve posted a single piece of content.

CrazyEgg’s guide to starting an affiliate marketing business has useful practical detail on the mechanics of setting up and recruiting, particularly for those approaching this from the publisher side.

What Creative and Commercial Assets Do Affiliates Actually Need?

One of the most common reasons affiliate programmes underperform is that the advertiser makes it too difficult for partners to promote them effectively. Affiliates are running businesses. If your programme requires more effort than another brand’s, they’ll prioritise the other brand.

The baseline asset pack for any affiliate programme should include:

• Tracking links that work reliably across devices and browsers
• Banner creative in standard sizes, updated regularly and aligned with current promotions
• A product data feed if you’re a retailer, kept current and accurate
• Clear information about your commission structure, cookie window, and payment terms
• A named contact they can reach when something isn’t working

Beyond the basics, the programmes that consistently outperform are the ones that treat their top affiliates as genuine commercial partners. That means sharing performance data, giving advance notice of promotions, and occasionally asking what would make the relationship work better for them. It’s not complicated, but it requires someone to actually own the relationship.

Programmes like the Moz affiliate programme and StudioPress’s affiliate setup are worth studying not because you should copy them, but because they illustrate how established brands structure the partner experience in ways that make promotion straightforward.

How Do You Handle Disclosure and Compliance?

Disclosure is not a technicality. It’s a legal and ethical requirement, and in most markets it’s been clearly codified by regulators. In the UK, the ASA and CMA have both issued guidance on affiliate and influencer disclosure. In the US, the FTC requirements are similarly clear.

The practical obligation is that affiliates must clearly disclose when they have a commercial relationship with the brand they’re promoting. This means visible, unambiguous disclosure, not a small-print footnote or a buried line in a terms page.

As an advertiser running an affiliate programme, you are not entirely insulated from the consequences of non-compliant affiliates. If your partners are publishing undisclosed promotional content, that reflects on your brand. Building disclosure requirements into your affiliate agreement, and monitoring for compliance, is basic programme hygiene.

Copyblogger’s guide to affiliate marketing disclosure is one of the cleaner explanations of what’s required and why, written from the publisher’s perspective but directly useful for advertisers thinking about what to require from their partners.

What Does Good Affiliate Tracking Actually Look Like?

Tracking is where affiliate marketing either earns its credibility or loses it. I’ve seen programmes where the tracking was so unreliable that neither the advertiser nor the affiliates trusted the numbers. That’s a programme that’s already failing, even if the reported revenue looks reasonable.

The fundamentals of affiliate tracking are: a unique identifier assigned to each affiliate, a cookie or cookieless mechanism that attributes the conversion back to that affiliate within an agreed window, and a clean reconciliation process between what the network reports and what your own analytics show.

Cookie windows vary by programme and by network. Longer windows favour affiliates who operate higher in the funnel, such as content publishers who introduce customers to a product early in the research process. Shorter windows favour affiliates who operate at the bottom of the funnel, such as voucher and cashback sites who often capture the customer at the point of purchase. Your cookie window is therefore not a neutral technical decision. It shapes which types of affiliate you’re effectively rewarding.

The deeper issue is incrementality. Are the conversions your affiliate programme is reporting genuinely driven by affiliate activity, or are you paying commission on customers who would have converted through another channel anyway? This is particularly acute with voucher and cashback affiliates, who often activate at the checkout stage after the customer has already decided to buy. I’m not suggesting those affiliates have no value, but it’s worth understanding what you’re actually paying for.

Forrester’s work on channel partner dynamics is worth reading if you want a more structural view of how partner value is perceived differently depending on where you sit in the relationship. The same tension between partner and advertiser perspectives on value exists in affiliate.

How Do You Measure Whether Your Affiliate Programme Is Working?

Revenue reported through the affiliate network is not the same as incremental revenue generated by the affiliate channel. This distinction matters, and it’s one that gets glossed over in a lot of affiliate reporting.

The metrics worth tracking:

• Active affiliate rate: What percentage of your registered affiliates have driven at least one conversion in the last 90 days? A healthy programme has a high active rate. A programme with thousands of registered affiliates and a tiny active percentage has a recruitment problem, not a scale problem.
• Revenue per active affiliate: This tells you whether your best partners are performing well or whether revenue is spread so thinly that no individual relationship is meaningful.
• New customer rate: What proportion of affiliate-driven conversions are from customers who are new to the business? If this number is low, the channel may be cannibalising other acquisition channels rather than adding to them.
• Cost per acquisition by affiliate type: Voucher sites, content publishers, and price comparison platforms all have different cost profiles and different customer quality characteristics. Aggregate CPA hides these differences.
• Affiliate contribution to overall revenue: Not as a vanity metric, but as a sense check on whether the channel is growing proportionally with the business or stagnating.

Early in my agency career, I learned that the most dangerous number in any performance channel is the one that looks good on the surface but doesn’t survive a second question. Affiliate reporting is particularly susceptible to this. The network will show you a number. Your job is to understand what that number actually represents.

What Are the Common Structural Mistakes to Avoid?

Having managed or overseen affiliate programmes across retail, travel, finance, and technology over the years, the failure modes tend to repeat themselves. They’re worth naming directly.

Treating the programme as self-managing. Affiliate requires active management. Someone needs to own partner relationships, monitor performance, run promotional calendars, and handle disputes. If that person doesn’t exist, the programme will drift.

Recruiting any affiliate who applies. Open programmes with no quality threshold attract affiliates who are optimising for commission, not for your brand. Brand safety, content quality, and audience fit all matter. Vetting takes time, but it’s cheaper than cleaning up the consequences of a bad affiliate relationship.

Ignoring the voucher site question. Voucher and cashback affiliates drive volume and are popular with consumers. They also tend to capture customers at the point of purchase, which raises legitimate questions about incrementality. The right answer isn’t necessarily to exclude them, but to understand what you’re getting and price it accordingly.

Setting the commission rate once and never revisiting it. Markets change, competitor programmes change, and the affiliates you want to attract change. Your commission structure should be reviewed at least annually against current market conditions.

Measuring affiliate in isolation. Affiliate doesn’t exist in a vacuum. It interacts with paid search, with SEO, with email, and with direct traffic. Understanding those interactions, particularly where affiliate is capturing credit for conversions that other channels initiated, is essential for honest programme evaluation.

Affiliate sits within a wider partnership ecosystem that includes co-marketing, referral programmes, and influencer arrangements. If you’re building out your partnership strategy more broadly, the Partnership Marketing hub covers how these models connect and where each one makes commercial sense.

How Long Does It Take to See Results?

This is the question every client asked, and the honest answer is: it depends on how much effort you put into recruitment and activation in the first 90 days.

A well-resourced launch with active outreach to relevant publishers, competitive commission rates, and strong creative assets can generate meaningful early traction within the first quarter. A programme that goes live on a network and waits for affiliates to find it will take much longer, and may never reach meaningful scale.

The trajectory I’d consider healthy: a small number of active affiliates generating early conversions in months one and two, a growing active affiliate base and improving revenue quality in months three through six, and a programme that’s contributing meaningfully to acquisition by the end of the first year. That’s not a guaranteed timeline, but it’s a reasonable benchmark if the programme is being actively managed.

I launched a paid search campaign early in my career at lastminute.com that generated six figures of revenue within roughly a day. Affiliate rarely works like that. It’s a channel that compounds over time as you build relationships, improve your creative, and refine your commission structure. The businesses that treat it as a long-term channel investment tend to get significantly more from it than those chasing quick returns.

Co-marketing relationships, which share some structural similarities with affiliate, face the same compounding dynamic. Mailchimp’s overview of co-marketing is a useful reference point for understanding how partnership-based growth models tend to build over time rather than spike immediately.

About the Author

Keith Lacy is a marketing strategist and former agency CEO with 20+ years of experience across agency leadership, performance marketing, and commercial strategy. He writes The Marketing Juice to cut through the noise and share what works.

Frequently Asked Questions