What do affiliate marketing costs and pricing look like for a UK brand?

What to take away

A worked monthly example£40,000 of affiliate sales at 10% commission is £4,000, plus a £1,200 network override and a £750 platform fee.
Add the ICO fee, £5 a month at tier 2, and VAT at 20%, and the total is £5,955 before VAT or £7,146 a month including it.
Affiliate marketing is usually priced as a share of tracked sale value rather than a flat retainer, so most of the cost scales with revenue.
Fixed costs sit around the edgesnetwork or software fees, the ICO data protection fee where you process personal data, and VAT once you pass the registration threshold.
Override or tier fees are the line item brands most often miss when comparing platforms, and they can add several percentage points to the effective commission rate.
Budget on total cost per acquired customer, not on headline commission. A programme that looks expensive on rate can still be cheap per order if it converts well.
Build the model before you sign. A written budget forces the commercial assumptions into the open, which is what you want when a finance director asks why affiliate spend rose faster than revenue.

The rest of this guide sets out each cost line, how the pricing models differ, and how to turn the numbers into a budget you can defend at a board meeting.

Fixed costs to expect

Every affiliate programme carries costs that do not move with sales. These are the easiest to forecast and the easiest to forget.

Affiliate fixed cost models

Network

Charging basis: % of revenue
Fraud screening: Network
Tracking upkeep: Network
Partner recruitment: Network
Best for: Mid-market

Self-hosted

Charging basis: Licence + processing
Fraud screening: Your team
Tracking upkeep: Your team
Partner recruitment: Your team
Best for: High volume

Platform and network fees

Affiliate software is usually charged either as a monthly platform fee or as a percentage of tracked revenue, and sometimes both. Awin, Webgains and Tradedoubler, which all run UK programmes, publish override-based pricing: the network takes a share of the publisher commission it handles instead of a flat monthly fee.

On a £4,000 commission bill a 30% override takes £1,200 a month. Each network states its own current override level, because the percentage is negotiated per contract.

Self-hosted software shifts the model towards a licence fee plus payment processing. That can suit high-volume retailers, but it moves fraud screening, tracking maintenance and partner recruitment back onto your own team, which is a real cost even if it never appears on an invoice.

Before comparing quotes, it helps to understand how each commercial model behaves as volume grows. Our guide to affiliate marketing pricing models in England walks through revenue share, flat fee and hybrid structures side by side.

Tenancy and setup fees

Networks often charge a tenancy fee for hosting your programme on their platform, plus a one-off setup or integration charge at launch. A tenancy fee of £500 to £1,500 a month is typical in mid-market retail, though it is often bundled into the override.

Ask whether the tenancy fee is capped once commission volume passes a threshold. Many contracts waive it above an agreed level, and a supplier who will not move on the headline rate may still move here.

Setup fees cover tag implementation, tracking validation and account configuration. Budget for them in month one rather than spreading them across the year, because they fall due before any revenue arrives.

Data protection and compliance

If your programme involves processing personal data, for example holding publisher contact records or passing order data to a network, you will usually need to pay the ICO data protection fee. The tiers are banded by organisation size and turnover, so a small affiliate team pays less than a large retailer.

The published bands are £40 a year at tier 1, £60 at tier 2 and £2,900 at tier 3. Tier 1 covers micro organisations with up to 10 staff or turnover up to £632,000.

Tier 2 covers up to 250 staff or turnover up to £36 million, and tier 3 covers everything above. Paying by direct debit reduces the tier 1 and tier 2 fees by £5.

The data protection fee guidance for organisations explains who must pay and how the bands work. Treat it as a fixed annual cost, not a variable one.

VAT on commission and fees

Commission paid to UK publishers is generally a business-to-business supply, and VAT treatment depends on how the publisher is registered and where it sits. The UK registration threshold is £90,000 of taxable turnover in a rolling 12-month period, and the standard rate is 20%. Once you pass it, you must register and account for VAT on your supplies.

GOV.UK sets out the consequences in its guidance on what registering for VAT may mean for your business. For a retailer, registration changes the effective cost of every fee you pay, because you may be able to reclaim input tax on platform charges.

Agency and management fees

Outsourced programme management is usually charged as a retainer, a percentage of commission, or a blend of both. A retainer of £1,500 to £4,000 a month plus 10% of commission is one quoted structure in this market.

The trade-off is straightforward. An agency brings publisher relationships and campaign capacity you would otherwise have to build, but it adds a layer of cost between your budget and the sale.

If you keep management in-house, count the salary time honestly. A partner manager, a tracking specialist and a finance contact for reconciliation are real roles, even when one person covers all three.

Variable costs and commission

Commission is the largest single line in most affiliate budgets and the one with the widest range.

Typical commission rates by sector

Fashion5-10%
Electronics1-4%
Software15-30%

Typical commission ranges

Rates vary by sector and margin. Typical market ranges are wide: a fashion retailer might pay 5% to 10% of order value, an electronics retailer 1% to 4%, and a software business 15% to 30% of first-year contract value. None of these are rules, only starting points for a negotiation.

Cookie window matters as much as rate. A 30-day window on a considered purchase costs more in practice than a 7-day window on a repeat grocery order, even at the same headline percentage.

Refund and cancellation rates feed back into cost. If 12% of affiliate orders are returned, the effective commission per retained sale is roughly 14% higher than the headline rate. Build that clawback assumption into your model from the start.

Overrides and tier fees

Many networks add an override on top of publisher commission. A 30% override on a £4,000 commission bill adds £1,200 a month. Overrides are negotiable, particularly once you can show a track record of volume.

Tier fees work in the other direction. Publishers who hit agreed sales bands may earn a higher rate on incremental volume, which raises the blended cost but only on sales you would not otherwise have made.

Watch for escalation clauses tied to a group of top publishers. A rate that rises from 8% to 11% once a publisher passes a monthly threshold can lift your blended cost faster than revenue grows, so model the ceiling before agreeing to it.

Publisher incentives and placements

Voucher code and cashback publishers often negotiate a placement fee on top of commission. A homepage slot or a dedicated email may be quoted at £1,000 to £5,000 for a campaign window.

Launch bonuses are common when a programme is new and needs volume quickly. A £5 bonus per new customer for the first three months is a typical nudge, and it should sit in the budget rather than in a contingency.

Exclusivity costs more. Agreeing a rate that no other publisher in the same category can match buys attention, but it also commits you to a floor price for the length of the term.

Payment, tracking and reconciliation

Payment processing, currency conversion and reconciliation all carry administrative cost. If you pay publishers in euros or dollars, budget for conversion spread and for the staff time spent chasing mismatched transactions.

Tracking failures are the hidden cost that matters most. A broken tag means unattributed sales, disputed invoices and publisher trust lost. Our article on affiliate marketing hidden costs in England covers the operational leaks that never appear in a rate card.

Benchmarking against paid media

Affiliate rarely sits alone in a marketing budget, so it is worth knowing what the alternatives cost.

Affiliate vs paid media

Affiliate

Payment timing: After sale
Cost per acquisition: Commission rate
Control: Lower
Audience reach: Publisher base

Paid media

Payment timing: Before sale
Cost per acquisition: £30-£400
Control: Higher
Audience reach: Broad

LinkedIn publishes its advertising rates, which gives a useful public reference point for business-to-business paid media. The LinkedIn advertising costs and pricing page shows how cost per click and cost per impression are structured on that platform.

If a LinkedIn campaign costs £8 per click and converts at 2%, the cost per acquisition is £400 before any follow-up. That is the number to compare against your affiliate cost per acquisition, not the commission rate.

Paid search is the closer comparison for most retailers, because buyer intent is similar. A non-brand campaign at £1.20 per click converting at 4% lands at £30 per acquisition before returns and refunds are deducted.

Affiliate usually wins on a pure cost-per-sale basis because you pay after the sale. Paid media wins on control and on reach into audiences no publisher covers. Most mature brands run both and compare them on the same contribution metric.

Comparison table

Typical basis

Publisher commission: Percentage of tracked order value
Network override: Percentage of commission handled
Platform or licence fee: Monthly or annual flat fee
Tenancy fee: Monthly fee for platform hosting
Payment processing: Percentage of payouts
ICO data protection fee: Annual banded fee
VAT: Percentage of taxable supplies
Tracking and tagging: Project or retainer
Fraud screening: Percentage of traffic or flat fee

Who charges it

Publisher commission: Publishers
Network override: Network
Platform or licence fee: Software vendor
Tenancy fee: Network
Payment processing: Network or processor
ICO data protection fee: ICO
VAT: HMRC
Tracking and tagging: Agency or in-house
Fraud screening: Network or specialist

Moves with sales?

Publisher commission: Yes
Network override: Yes
Platform or licence fee: No
Tenancy fee: No
Payment processing: Yes
ICO data protection fee: No
VAT: Yes
Tracking and tagging: No
Fraud screening: Partly

Figures in the table are bases, not rates. Plug your own contract terms into each row to get a monthly total.

Building a defensible budget

A budget is only useful if it survives contact with the finance team.

Building an affiliate budget

Model affiliate revenue first
Apply blended commission rate
Add override, platform fee, processing
Separate acquisition from retention
Set cost-per-acquisition ceiling
Phase first year, hold contingency

Start from revenue, not cost

Model affiliate revenue first, then apply commission. Here is a full monthly example on £40,000 of affiliate sales.

Cost line	Basis in this example	Monthly cost
Publisher commission	10% of tracked sales	£4,000
Network override	30% of commission	£1,200
Platform or tenancy fee	Flat monthly fee	£750
ICO data protection fee	Tier 2, £60 a year	£5
Subtotal before VAT		£5,955
VAT at 20%	On the lines above	£1,191
Total monthly programme cost		£7,146
Total annual programme cost	Twelve months	£85,752

If you are VAT registered and the costs relate to taxable supplies, you reclaim the £1,191 as input tax, so the net monthly cost is £5,955 and the net annual cost is £71,460. Swap each line for your own contract terms before you sign.

Separate acquisition from retention

Commission paid on a returning customer who would have bought anyway is a retention cost, not an acquisition cost. Segregate new-customer commission in your reporting so you can judge whether the programme is genuinely adding revenue.

Set a cost-per-acquisition ceiling

Decide the maximum you will pay to acquire a customer, then work backwards to the commission rate you can offer. This keeps negotiations anchored to your economics rather than to a competitor's published rate.

Our affiliate marketing budget template in England gives you a starting structure with the rows most teams need, including the fixed and variable lines above.

Phase the first year

Costs do not arrive evenly. Setup, tag integration and the first month of tenancy land before meaningful revenue, so months one and two are typically the heaviest.

Assume a three to six month ramp before commission stabilises. Hold a contingency of 10% to 15% of planned spend for tracking fixes and publisher incentives, and treat launch bonuses as part of the plan rather than as an exception.

Measuring whether it pays

Cost control only matters if the programme returns more than it consumes.

Measuring incremental profit

Run holdout test
Suppress audience share
Compare order rates
Estimate incrementality
Calculate contribution after costs

Return on investment in affiliate is best measured on incremental profit, not on total revenue. A programme can grow revenue and still destroy margin if commission is paid on sales that would have happened anyway.

Run a holdout test where you can. Suppress a share of your audience from affiliate exposure and compare order rates. That gives you an incrementality estimate grounded in your own data rather than a network's reporting.

The affiliate marketing return on investment guide sets out how to calculate contribution after commission, fees and refunds, which is the figure your finance director will actually use.

Market context that moves the cost base

Market size matters only where it changes a cost line.

In affiliate programmes it does that through publisher supply, which sets the rate you can negotiate, and through the compliance work that promotions now attract. The Office for National Statistics business statistics collection publishes counts and activity data for UK businesses, which is a reasonable starting point for sizing a market.

Use those counts to sanity-check your publisher plan. If you need 200 active partners to hit a revenue target, compare that figure against the number of businesses operating in your category before you commit to it.

Regulation also shapes cost. The Digital Markets, Competition and Consumers Act 2024 gives the competition authority new powers over unfair commercial practices and subscription traps, both of which touch affiliate promotions and comparison sites.

Compliance work is a cost line. Budget for reviewing publisher claims, disclosure wording and pricing statements, because a single enforcement action costs far more than the review.

Looking further ahead, our piece on affiliate marketing trends and outlook for England in 2027 covers how platform consolidation and disclosure rules may shift the cost base over the next planning cycle.

Common questions

Is affiliate marketing cheaper than paid search?

On a cost-per-sale basis, usually yes, because commission is only paid after a tracked sale. On total programme cost, not necessarily, because fixed platform fees and overrides apply regardless of volume. Compare both on cost per acquired customer.

What percentage should I pay in commission?

There is no standard rate. Start from your gross margin and your maximum acceptable cost per acquisition, then set a rate that leaves room for override and processing. Rates commonly range from low single digits in low-margin retail to 30% in software, but treat any figure as a starting point for negotiation.

Do I need to pay the ICO data protection fee?

If you process personal data and are not exempt, yes. The fee is banded by organisation size and is payable annually, and it applies to affiliate teams as much as to any other business function.

What is the biggest hidden cost in an affiliate programme?

Unattributed sales caused by tracking failures. They show up as disputed invoices, duplicated commission and publisher churn, and they are difficult to recover once trust has gone. Regular tag testing is cheap by comparison.