Amazon Sponsored Display Guide: Off-Amazon Advertising for UK Sellers

Amazon Sponsored Display (SD) is the most underutilised advertising tool in most UK sellers’ arsenals, despite being the only Amazon ad format to reach customers beyond the Amazon.co.uk ecosystem. Whilst Sponsored Products dominates bottom-funnel intent-based traffic and Sponsored Brands captures navigation, Sponsored Display fills the critical top and mid-funnel gap by delivering visual ads to customers across hundreds of partner websites and off-Amazon apps. A well-structured Sponsored Display campaign can capture 15-25% additional revenue (compared to Sponsored Products alone) whilst strengthening brand awareness and reducing over-reliance on high-CPC Amazon search. This guide walks through every aspect of Sponsored Display: how it works, audience and product targeting, placement strategy, optimisation, and how to integrate SD into a full-funnel advertising stack.

What is Amazon Sponsored Display?

Amazon Sponsored Display is a remarketing and audience-targeting advertising format that places visual product ads (images and headlines) on Amazon-owned properties, Amazon publisher partner sites, and third-party retail and media websites. Unlike Sponsored Products, which only appear on Amazon.co.uk in search results and product pages, Sponsored Display extends reach into third-party ecosystems where customers browse, read content, and shop for related products.

Core Mechanics

Sponsored Display operates on a vCPM (cost per thousand impressions) model rather than cost-per-click (CPC). You set a maximum bid per thousand ad impressions (e.g., GBP 0.50 vCPM). When your ad appears 1,000 times, you pay GBP 0.50 (plus VAT), regardless of clicks. This is fundamentally different from Sponsored Products, where you pay only when someone clicks your ad. Sponsored Display charges for exposure and reach.

Because of impression-based pricing, Sponsored Display is a volume-reach tool: it’s designed to build awareness, reach broad audiences, and capture customers before they begin high-intent searching. The cost-per-acquisition is typically higher than Sponsored Products (your ACOS/attributed revenue per ad spend is less efficient), but the total addressable volume is dramatically larger (reaching off-Amazon audiences Sponsored Products cannot touch).

Sponsored Display vs Sponsored Products vs Sponsored Brands

Sponsored Products: High Intent, Bottom-Funnel

Sponsored Products target customers already searching for products in your category on Amazon. They appear in search results and on competitor product pages. Customer intent is high (active search signal), so conversion rate is high, ACOS is low (15-25% for optimised campaigns), and you only pay on clicks. Use Sponsored Products to capture immediate purchase intent.

Sponsored Brands: Navigation and Category Searches

Sponsored Brands appear at the top of search results, featuring your brand logo, headline, and up to 3 products. They target both branded searches (your brand name) and category searches (searches within your category). Intent is moderate to high (customer is searching); you pay per click. ACOS is typically 20-35%. Sponsored Brands are ideal for brand visibility and capturing navigation traffic.

Sponsored Display: Broad Reach, Mid to Top-Funnel

Sponsored Display reaches customers on third-party websites, Amazon partner sites, and off-Amazon apps. Customer intent is lower (they may not be actively shopping yet), but reach is vastly broader. You pay per impression (vCPM), not per click. ACOS is typically 30-50% (higher than SP/SB) because intent is lower and conversion takes longer. Sponsored Display excels at awareness, remarketing warm audiences, and reaching customers in new segments.

When to Use Each Format

Think of advertising as a funnel: Sponsored Display fills the top (awareness, reach). Sponsored Brands fills the middle (navigation, category research). Sponsored Products fills the bottom (high-intent purchase decisions). A balanced approach uses all three: allocate 30-40% budget to Sponsored Products (core conversion engine), 20-30% to Sponsored Brands (brand awareness and navigation), and 30-40% to Sponsored Display (reach and remarketing). Adjust allocation based on your goals: new product launches benefit from more SD and SB; mature bestsellers can lean heavier on SP.

Audience Targeting Strategies

Audiences: Views Remarketing

The Views Remarketing audience targets customers who have viewed your product in the last 30 days but did not purchase. These are warm, qualified prospects: they were interested enough to click, read your listing, view images, but needed a nudge to convert. Sponsored Display ads to this audience have higher conversion probability than cold prospects, resulting in better ACOS (often 25-35% for Views Remarketing vs 40-50% for cold audiences).

Strategy: Run Views Remarketing campaigns on all products you want to push. Set aggressive daily budgets (GBP 20-50+) on Views Remarketing because the audience is small (only viewers from the last month) and has high conversion propensity. Use higher vCPM bids (GBP 0.40-0.80) on Views Remarketing; you’ll still get positive ROI because the action rate is strong.

Audiences: Purchases Remarketing

Purchases Remarketing targets customers who have purchased a product in your category (either from you or a competitor) in the last 30 days. These customers have demonstrated purchase intent and willingness to spend. They’re ideal targets for cross-selling (purchasing your haircare? Show them styling products) and upselling (purchased GBP 20 product? Show them the premium GBP 50 variant).

Strategy: Use Purchases Remarketing to introduce new products in complementary categories. If you sell phone cases, target customers who’ve purchased phone cases to sell them screen protectors. The audience is larger than Views Remarketing (all purchasers, not just your viewers), so you can run deeper inventory and sustainable campaigns. ACOS is typically 35-45% (higher than Views Remarketing, lower than cold audiences).

Audiences: Similar to Purchasers (Lookalike Audiences)

Amazon’s similar-to-purchasers audience uses machine learning to find customers whose browsing and purchasing behaviour resembles your existing customers. This is an expansion audience: not warm, but higher-intent than pure cold targeting. Amazon identifies look-alike patterns and shows your ads to customers with similar buying signals.

Strategy: Use similar-to-purchasers audiences for volume growth once your core remarketing audiences are saturated. If your Views and Purchases Remarketing audiences (perhaps 100k combined users per month) are well-optimised and profitable, similar-to-purchasers can extend reach into 500k+ new prospects with similar signals. Expect higher ACOS (45-60%) but lower absolute CPA due to volume scale.

Audiences: In-Market Audiences

Amazon’s in-market audiences target customers who are actively researching or browsing products in a specific category. These are customers showing purchase intent signals (category searches, product views, shopping behaviour) but haven’t yet converted. In-market audiences bridge the gap between cold reach and warm remarketing.

Strategy: Use in-market audiences for category expansion or competitive displacement. If you sell fitness trackers and want to capture customers researching smartwatches (adjacent category), target the smartwatch in-market audience. In-market ACOS is typically 40-55% (higher intent than cold, but broader than remarketing).

Audience Selection Best Practice

Prioritise audiences in this order: (1) Views Remarketing (highest ROI), (2) Purchases Remarketing (cross-sell efficiency), (3) Similar-to-Purchasers (volume after core saturation), (4) In-Market (category expansion). Build separate campaigns for each audience type: this allows you to set distinct daily budgets, vCPM bids, and creative per audience. Views Remarketing should be your baseline; if this audience isn’t profitable, diagnose listing/product issues before expanding to colder audiences.

Product and Category Targeting

How Product Targeting Works

Product targeting in Sponsored Display places your ads on specific competitor product pages and within customer browsing sessions for those products. You can target individual ASINs (Amazon Standard Identification Numbers, i.e., specific products) or product categories. When a customer views a competitor’s product that you’ve targeted, your ad appears on that page or in related browsing sessions.

Competitor Product Targeting

Competitor product targeting is displacement strategy: if a customer is viewing a competitor’s product, show them yours as an alternative. Example: you sell laptop stands. A customer is viewing a competitor’s stand on Amazon. Your Sponsored Display ad appears on that page or in the customer’s browsing session, promoting your stand with a comparison message (e.g., “Premium support at half the price”).

Build a list of 10-20 key competitors (those with the most reviews, highest rankings, strongest positioning). Add their ASINs to a single Sponsored Display product-targeting campaign. Set moderate daily budgets (GBP 15-30) because reach on specific competitor pages is limited. Target mid-range vCPM bids (GBP 0.30-0.50) and monitor ACOS closely. Competitor product targeting typically has 35-50% ACOS; if you exceed 60%, either your product isn’t sufficiently differentiated or your ad creative isn’t compelling.

Category Targeting

Category targeting is broader: you target all products within a category (e.g., all smartphone cases, all fitness trackers) rather than specific competitors. Reach is much larger, but relevance is lower (your ad shows to more people, but fewer are actively considering your exact product).

Use category targeting for new product launches (when you need volume awareness) or brand extensions (entering new categories). Don’t use category targeting for mature products or core SKUs; focus on product or competitor targeting where relevance is higher and ACOS is better.

On-Amazon and Off-Amazon Placements

On-Amazon Placements

On-Amazon placements include: (a) Product detail pages (ads appear on competitor and category-adjacent product pages), (b) Search results pages (ads appear in sidebars and carousel placements alongside search results), and (c) Amazon homepage and category pages.

On-Amazon placements have moderate reach but high relevance. Customers viewing these pages are actively browsing and shopping. On-Amazon ACOS is typically 30-40% (better than off-Amazon reach but lower conversion than Sponsored Products).

Off-Amazon Placements

Off-Amazon placements include third-party publisher websites and apps in the Amazon Advertising Network: news sites, lifestyle publishers, retail partners, shopping apps, and other high-traffic properties. Your ads appear as sponsored content within editorial or commerce contexts.

Off-Amazon placements have vastly larger reach but lower relevance. Customers are not actively shopping when they see your ad; they’re browsing content. Conversion is lower, but reach is 10-100 times larger than on-Amazon. Off-Amazon ACOS is typically 40-60%.

On-Amazon vs Off-Amazon Strategy

If your budget is constrained, prioritise on-Amazon placements (better ACOS, higher relevance). As budget increases, layer in off-Amazon placements (lower efficiency, but vast reach and brand awareness upside). For mature brands, off-Amazon placements are increasingly valuable for awareness, reach, and customer lifetime value (customers who see your brand repeatedly are more likely to purchase in future, even if initial ACOS is suboptimal).

vCPM Pricing Model and Cost Structure

Understanding vCPM (Cost Per Thousand Impressions)

vCPM is the cost per 1,000 ad impressions. If you set a vCPM bid of GBP 0.50 and your ad receives 1 million impressions in a month, you pay (1,000,000 / 1,000) x GBP 0.50 = GBP 500. Unlike Sponsored Products where you pay only on clicks, Sponsored Display charges regardless of engagement. This shifts the economics: you’re paying for reach and awareness, not just conversions.

Typical vCPM Ranges by Audience and Placement

Views Remarketing: GBP 0.40-0.80 vCPM (high relevance, you can bid aggressively). Purchases Remarketing: GBP 0.35-0.70 vCPM. Similar-to-Purchasers: GBP 0.25-0.50 vCPM. In-Market: GBP 0.25-0.50 vCPM. Competitor Product Targeting: GBP 0.30-0.60 vCPM. On-Amazon Placements: GBP 0.30-0.60 vCPM. Off-Amazon Placements: GBP 0.15-0.40 vCPM (lower because reach is broader, relevance is lower).

Calculating Cost Per Acquisition from vCPM

To estimate cost per acquisition (CPA) from vCPM, use this formula: CPA = (vCPM / 1,000) / (CTR x CVR), where CTR is click-through rate and CVR is conversion rate. Example: vCPM of GBP 0.40, CTR of 1%, CVR of 3% yields CPA of (0.40 / 1,000) / (0.01 x 0.03) = 0.0004 / 0.0003 = GBP 1.33 per acquisition. Multiply by your average order value to estimate ACOS.

If your average order value (AOV) is GBP 40 and CPA is GBP 1.33, implied ACOS is (1.33 / 40) x 100 = 3.3%. This is exceptional and suggests vCPM is too low; increase your bid. If AOV is GBP 20 and CPA is GBP 1.33, ACOS is 6.65%, still excellent. If AOV is GBP 15 and CPA is GBP 1.33, ACOS is 8.87%, but still acceptable for a top-funnel/awareness channel.

The key insight: lower AOV products need lower vCPM or higher CTR/CVR to break even. High AOV products are more tolerant of higher vCPM. Structure your SD portfolio with this in mind: run aggressive vCPM bids on high-AOV products, conservative bids on low-AOV items.

Creative Options and Campaign Setup

Creative Formats for Sponsored Display

Sponsored Display ads use product images (your standard product photography from your listing), headlines (typically your product title or a custom headline), and optional promotional messaging. Amazon provides three creative layouts: (1) Single image with headline, (2) Product carousel showing 2-3 products, (3) Sponsored Brands creative (if you’re registered for Brand Registry).

Best practice: use your strongest product image (clear, high-contrast, professional photography). Write a benefit-focused headline (e.g., “Premium Phone Case with Military-Grade Protection” rather than just “Phone Case”). Include a promotional angle if running a deal (e.g., “Save 25% on Premium Cases”).

Campaign Setup in Advertising Console

Navigate to Advertising > Campaign Manager > Create Campaign > Sponsored Display. Choose campaign name (include audience and ASIN for clarity, e.g., “SD-Views-PhoneCase-ASIN123”). Set daily budget (start with GBP 20-50 to test). Select targeting type: Audiences (views/purchases/in-market) or Product Targeting (specific competitors or categories). Choose vCPM bid strategy: fixed bid (you set vCPM for all placements) or auto bid (Amazon optimises within your budget). For control and learning, use fixed bids initially; shift to auto bids once you understand performance.

Select placements: checkboxes for On-Amazon and Off-Amazon. For new campaigns, include both to get immediate learning data. After 500-1000 impressions, if off-Amazon ACOS is >60% and on-Amazon ACOS is <30%, disable off-Amazon and focus spend on higher-ROI on-Amazon placements.

Add negative keywords (optional): specify product categories or keywords you don’t want your ads appearing alongside (e.g., if you sell luxury handbags, add “cheap” or “counterfeit” as negatives to avoid brand damage).

Optimisation: Scaling Winners and Culling Losers

Campaign Performance Metrics and Thresholds

Monitor these metrics weekly: Impressions (volume of ad delivery), CTR (click-through rate, target 1-3%), Conversion Rate (clicked users who purchase, target 3-10%), and ACOS (advertising cost of sale, target 20-40% for SD, with variance by audience).

Underperforming thresholds: ACOS above 50% for Views Remarketing, above 60% for other audiences. CTR below 0.5% (very low engagement). Conversion rate below 2% (traffic is not converting; likely a listing or product issue, not an advertising issue).

Optimisation Workflow

Weekly review: Pull campaign performance reports (Advertising > Reports > Campaign Performance). Identify underperformers (ACOS > 50%, CTR < 0.5%, low absolute spend despite high budget). For underperformers, diagnose: (a) Is vCPM bid too high? (Reduce by 10-20%. Re-evaluate after 3 days). (b) Is the audience wrong? (Try different audience; if no improvement, ASIN may not resonate with this segment). (c) Is off-Amazon placement dragging performance? (Disable off-Amazon, test on-Amazon only). (d) Is the creative unclear or misaligned with audience? (Refresh headline or image).

Monthly scaling: Identify winning campaigns (ACOS below 30%, consistent daily spend, >500 impressions/day). Increase daily budget by 20-30%. Increase vCPM bid by 10-15% (you can afford to bid higher and remain profitable). Copy winning campaign structure and test on different ASINs or audiences.

Audience Expansion and Saturation

Views Remarketing audiences are finite: only customers who viewed your product in the last 30 days. After 4-8 weeks of Views campaigns, audience saturation sets in (you’ve reached the easily-convertible portion; remaining audience is less responsive). When Views Remarketing ACOS degrades from 25% to 45%+ over 4 weeks, you’ve saturated the audience. At this point, shift budget to Purchases Remarketing, Similar-to-Purchasers, or in-market audiences to find fresh prospecting opportunity.

Full-Funnel Strategy with SP, SB, and SD

The Three-Tier Advertising Funnel

Think of Amazon advertising as three layers: Bottom funnel (Sponsored Products): high-intent keywords, high conversion, lowest ACOS (15-25%). Middle funnel (Sponsored Brands + Product Targeting SD): moderate intent, moderate conversion, medium ACOS (25-40%). Top funnel (SD Audience + In-Market + Off-Amazon): low to moderate intent, lower conversion, higher ACOS (40-60%).

Each layer serves a distinct purpose. Sponsored Products captures immediate demand. Sponsored Brands and product-targeting SD capture customers considering alternatives. Audience and off-Amazon SD build awareness and capture customers early in consideration journey.

Budget Allocation by Funnel Layer

For a monthly advertising budget of GBP 2,000: allocate GBP 700 (35%) to Sponsored Products (core conversion engine), GBP 500 (25%) to Sponsored Brands (brand and navigation), and GBP 800 (40%) to Sponsored Display (reach, remarketing, awareness). This is a baseline; adjust based on your goals and ACOS tolerance.

For aggressive growth (new product launch, expanding category): shift allocation to GBP 600 SP, GBP 400 SB, GBP 1,000 SD. For margin-focused mature brands: shift to GBP 1,000 SP, GBP 600 SB, GBP 400 SD.

Targeting Synergies Across Formats

Cross-funnel targeting improves efficiency. Example: run high-bid Sponsored Products on core search keywords. Simultaneously, run Sponsored Display on Views Remarketing targeting the same ASINs. Customers who click your SP ad, view the listing, and don’t convert immediately will see your SD ad again on third-party sites, increasing likelihood of later conversion. This repeated exposure (frequency capping of 3-5 exposures per customer per week) significantly improves full-funnel ACOS.

Similarly, run Sponsored Brands on your brand name search. Simultaneously, run SD on Similar-to-Purchasers. Customers aware of your brand (via branded SB) will see SD ads reinforcing the brand message, improving brand recall and purchase intent.

Measuring Performance and Calculating ROI

Attributed Sales and View-Through Conversion

Sponsored Display measures two types of conversions: (1) Click-through conversions (customer clicks your ad, then purchases), (2) View-through conversions (customer sees your ad, doesn’t click, but purchases within 14 days). View-through conversions are unique to Sponsored Display and often represent 30-50% of total attributed conversions. This is critical: many sellers ignore view-through conversions because they’re not “direct” clicks, but they are genuine business impact.

In Advertising Reports, view-through conversions are shown separately. Ensure you’re calculating ACOS using total attributed conversions (click-through + view-through) not just click-through conversions.

ACOS Calculation for Sponsored Display

ACOS (advertising cost of sale) = (Ad Spend / Attributed Sales) x 100. Example: a Sponsored Display campaign spends GBP 500 in a week and generates GBP 2,000 in attributed sales. ACOS = (500 / 2,000) x 100 = 25%. This is the percentage of attributed revenue spent on advertising. For Sponsored Display, target ACOS of 20-40%; views remarketing should hit 25-35%, newer audience targeting 35-50%.

Broader ROI Considerations

ACOS doesn’t capture full business impact. A Sponsored Display campaign with 40% ACOS might also accumulate 150 reviews (from 500 attributed conversions), improving organic ranking and future sell-through. This compounding benefit is worth additional margin sacrifice. Similarly, off-Amazon brand exposure improves customer lifetime value even if initial ACOS is suboptimal. Don’t optimize purely for ACOS; consider secondary benefits (reviews, brand awareness, organic rank lift, repeat purchase rate) in your evaluation.

Comparing Sponsored Display to Sponsored Products

Benchmark your Sponsored Display ACOS against Sponsored Products ACOS. If Sponsored Display ACOS is 35% and Sponsored Products ACOS is 22%, Sponsored Display is 59% more expensive. However, if SD reaches audiences Sponsored Products cannot (off-Amazon, awareness), the additional cost may be justified for total addressable revenue. If SD reaches overlapping audiences as SP and costs 50%+ more, redirect budget to Sponsored Products.

FAQ

Can I run Sponsored Display on products without Amazon Brand Registry?

Yes, but with limitations. Non-registered brands can run Sponsored Display with basic image and headline creative. Registered brands unlock additional creative options (Sponsored Brands creative layers, carousel ads, enhanced reporting). If you sell significant volume on Amazon UK, brand registration is worthwhile (free, takes 2-3 weeks, improves access to premium advertising features). Details on brand registration are at /amazon-brand-registry/.

What’s the difference between Sponsored Display and Amazon DSP?

Sponsored Display is self-serve, limited to first-party and lookalike audiences based on your Amazon sales data. Amazon DSP (Demand Side Platform) is a full demand-side platform offering more advanced targeting (third-party audience data, demographic targeting, custom audiences) and is typically managed by agencies. DSP has higher minimums (usually GBP 5,000+/month) and more sophisticated placement options. Most smaller and mid-sized sellers start with Sponsored Display; DSP is for larger brands with significant advertising budgets.

Why is my Sponsored Display ACOS so much higher than Sponsored Products ACOS?

This is normal. Sponsored Products targets active searchers (high intent); Sponsored Display targets broader audiences (lower intent). Higher ACOS on SD doesn’t mean SD is unprofitable; it reflects the different customer journey. Use SD for volume, reach, and awareness (secondary benefit to direct conversions). If your SD ACOS exceeds 70%, either your targeting is too broad (adjust to more relevant audiences), your vCPM bid is too high (reduce by 20-30%), or your product/listing isn’t resonating with these audiences (consider ad creative changes or ASIN selection).

Should I disable off-Amazon placements if ACOS is poor?

Not immediately. Off-Amazon placements have lower conversion (higher ACOS) but reach is vastly larger and brand awareness benefit is strong. If on-Amazon ACOS is 30% and off-Amazon ACOS is 55%, keep both enabled for brand reach, but consider reducing off-Amazon vCPM to lower cost. If off-Amazon ACOS exceeds 80% and on-Amazon is profitable, disable off-Amazon and focus spend on higher-ROI on-Amazon. Use placement reporting to isolate performance, then allocate budget accordingly.

How long does it take to see Sponsored Display results?

Initial impressions and clicks appear within hours. Conversions (especially view-through conversions) take 3-7 days to fully attribute. Set attribution windows to at least 7 days before evaluating campaign performance. Most sellers assess SD campaigns after 2-3 weeks (1,000+ impressions) to get statistically meaningful data. Adjust vCPM bids or targeting based on 2-3 week windows, not daily performance.

Can I use negative keywords in Sponsored Display?

Yes, via negative product targeting. Specify ASINs or categories you don’t want your ads appearing on (e.g., competitor brands, clearance listings, or irrelevant categories). This refines placement relevance and can improve ACOS. However, negative targeting is less powerful in SD than in Sponsored Products; Amazon’s audience and placement algorithms are harder to constrain. Use negatives to exclude obvious irrelevance, but don’t rely on negative targeting as your primary optimisation lever.