Choosing Your First
Affiliate Network

Brands agonise over this one, so an early deflation helps: good programmes run on every major network, and migrating later is well-trodden ground. The choice matters less than the readiness and management decisions you've already worked through. What differs meaningfully at the start is fees, publisher access and workload, so decide on those.

One disclosure, which is also the method: we're an agency that works across networks and earns nothing from your choice. Where something below is described as widely used for UK retail, that's market observation rather than endorsement.

Network, Platform or App?

Know what you're comparing before comparing it.

• Affiliate networks are two-sided marketplaces with a publisher base plus tracking, contracts, validation and consolidated payments: Awin, CJ Affiliate, impact.com, Rakuten Advertising, Partnerize, Tradedoubler and Webgains.
• SaaS platforms are the tooling without the marketplace: Everflow, Refersion, Tapfiliate, Post Affiliate Pro. PartnerStack sits here too, with a marketplace built specifically for B2B software.
• Marketplace apps are e-commerce-native tools for Shopify-class stores, UpPromote and its peers, and the lowest-friction entry of all.
• Sub-affiliate networks such as Skimlinks and Sovrn Commerce aren't a place to run your programme. They're powerful publishers who join it.

And since it shapes every comparison: full network programmes conventionally charge an override of 25 to 30% on commissions paid, self-serve tiers charge a subscription plus a 2.5 to 4% transaction fee on order value, and SaaS platforms charge flat licences. The costs guide models all three.

The Seven Criteria That Decide It

• 1 · Publisher base for your market and vertical. The decisive one for a small UK brand. Where do the partners you want already live? UK retail coverage, national-press commerce desks, UK cashback and loyalty, CSS partners. A marketplace full of the wrong partners is an empty marketplace.
• 2 · Self-serve availability. Can you start without a sales cycle and a minimum term you can't yet justify?
• 3 · Fee structure fit. Transaction fee, override or licence. Model each at your order value and commission before comparing headline prices.
• 4 · Tracking robustness. Server-side and API options, consent-mode handling, app tracking if you need it. Ask directly, because the answers date fast.
• 5 · Integrations. Native plugins for your e-commerce platform and feed tooling. The boring detail that decides whether setup takes a week or a month.
• 6 · Service and support model. What support looks like at your tier, and whether the network is agency-friendly if you add management later.
• 7 · International path. Territories, currencies and cross-border payments, if expansion is on the roadmap.

The 2026 Landscape

The same fields for every entry, with pricing indicative and worth re-checking. Where pricing isn't public we say so, because the absence of a rate card is information too.

The summary the table earns: serious, successful programmes exist on all of these. The criteria decide which is right for you, and nothing else does.

What Changed Recently (Why Old Comparisons Mislead)

• ShareASale is gone. The long-time small-business default completed its migration into Awin in 2025. Any guide still recommending it is dated by definition.
• Rakuten and impact.com allied in April 2026. impact.com supplies the platform infrastructure (contracting, tracking, payments) while Rakuten Advertising concentrates on services and its cashback ecosystem. Two of the industry's major stacks, converging.
• The cookie U-turn. Google kept third-party cookies in Chrome in April 2025, a reprieve for legacy tracking. First-party and server-side tracking remain the direction of travel, which is why criterion four exists.
• Attribution scrutiny. The browser-extension controversy of 2024 and 2025 pushed compliance up the agenda, and networks now compete on protection policies as well as reach. Ask any candidate what governs extension attribution on their platform.
• Consolidation generally. Ownership of platforms and sub-networks keeps changing hands. Check who owns your shortlist, and what their roadmap says, before signing.

A Decision Path for a Small UK Brand

Testing channel viability with a product feed and a UK retail audience? A self-serve network tier gets you a real publisher marketplace for tens of pounds a month, the lowest-commitment true test there is. B2B software? Start with the partnership platforms built for it. Confident in your own recruitment and after the lowest per-sale cost? SaaS platform. Past £250k and management-ready? Any major network works. Decide on criteria one, four and six, and note that a good manager runs your programme on whichever network you choose rather than forcing a move to theirs.

Two networks at once is technically possible and rarely wise at small scale, with duplicate attribution, double fees and split partner attention outweighing the reach. Pick one home. And if you outgrow it or simply chose wrong, remember where this guide began. Programmes move. The choice in front of you is important, not permanent.