Prime Big Deal Days 2025 Results: How We Delivered Explosive Growth (Up to 533%) for Our Clients
Executive Summary
KangarooUK delivered explosive growth (up to 533%) for clients during Prime Big Deal Days 2025 by implementing a strategic, data-driven, and holistic approach that navigated the new "Pay-to-Play" model and leveraged aggressive advertising and real-time optimisation.
Introduction
The digital dust has settled on Amazon's 2-day Prime Big Deal Days event (October 7-8, 2025). For sellers, the critical question remains: was the investment worth the return?
Gone are the days of simple discounts. The 2025 Prime Big Deal Days landscape is a complex, high-stakes arena. With new fees, intense competition, and sophisticated shopper behaviour, simply "participating" is no longer a strategy—it's a gamble.
At KangarooUK, we don't gamble. We build comprehensive, data-driven strategies designed to dominate the event. The results for our clients during the recent 2-day event weren't just positive; they were transformative.
This blog breaks down the complex new reality of Prime Deals, showcases the real-world results we achieved for our clients, and outlines how this success provides a launchpad for a blockbuster Q4.
The New Prime Big Deal Days Playbook: Why 2025 Was Different
If you felt the ground shift under your feet during this year's Prime Big Deal Days, you were right. The rules of engagement have fundamentally changed. As we detailed in our recent analysis, Navigating the New era of Amazon Prime Deals in 2025, sellers face a new reality.
The key change? Amazon is now prioritising sellers willing to make a significant upfront investment.
- The "Pay-to-Play" Model: We saw fees of £50 for Lightning Deals and reports of £100 for Best Deals in the UK. These fees are in addition to the steep discounts required to run the deal.
- The Placement Problem: Paying these fees is the only way to secure premium placement on the main Prime Big Deal Days deals page. This page is a critical source of high-intent traffic from shoppers actively hunting for limited-time offers.
- The PEP Alternative: The Prime Exclusive Price (PEP) offers a lower-cost alternative to get the coveted Prime Day badge, but it lacks the high-visibility placement of a Lightning or Best Deal. It won't be featured on the main deals page, which is the primary traffic driver.
This new structure forces a difficult question: why pay £100 for a deal when a PEP is cheaper? The answer is visibility, urgency, and algorithm velocity. The fee is for premium placement and the intense "deal mindset" it creates, leading to the explosive sales needed to boost your Best Seller Rank (BSR).
The KangarooUK Strategy: A Holistic Approach to Prime Success
Relying solely on one deal placement is a high-risk strategy. Success in 2025 requires a 360-degree approach that integrates deals with a powerful advertising engine.
Our strategy for the 2-day event was built on three pillars:
- Strategic Deal Selection: We worked with clients to identify which products would benefit most from which deal. For some, a high-investment Lightning Deal on a hero product was the key. For others, a broader PEP strategy across multiple ASINs maintained momentum.
- Aggressive, Full-Funnel Advertising: A deal is useless if no one sees it. We built powerful, integrated paid advertising campaigns (Sponsored Products, Brands, and DSP) to drive external and internal traffic directly to the active promotions. This ensures visibility extends far beyond the deals page.
- Real-Time Optimisation: Prime Big Deal Days is not a "set it and forget it" event. Our team actively managed campaigns, reallocating budgets to winning ASINs and defending key placements from competitors in real-time.
This holistic approach, managed by our expert Amazon Account Management services, is what separates a modest sales bump from explosive, category-defining growth.
The Proof is in the Performance: Our 2-Day Prime Event Client Results
We can talk about strategy all day, but the only thing that matters is the results. We're proud to share the incredible performance our clients saw during the 2-day Prime event, demonstrating the power of a bespoke, aggressive strategy across diverse sectors.
Case Study 1: The Fragrance Sector (Explosive Growth)
The fragrance category is fiercely competitive. By combining premium Lightning Deals with a highly aggressive advertising strategy, we achieved dominance for our clients, resulting in an average growth of over 384% for the period.
- Client A (Fragrance, US): 533.82% rise
- Client B (Fragrance, US): 352.16% rise
- Client C (Fragrance, UK): 266.01% rise
Case Study 2: Niche & Speciality Goods (Market Domination)
This strategy isn't just for mainstream categories. We proved that any brand, from pet food to specialist groceries, can leverage Prime Big Deal Days to capture significant market share and achieve triple-digit growth.
- Client D (Insecticides): 249.15% rise
- Client E (Planters and Flight Cases): 219.64% rise
- Client F (Pet Food): 99.58% rise
- Client G (Manuka Honey): 92.74% rise
- Client H (Spices and Grocery): 79.40% rise
These figures represent more than just two days of high-volume sales. They represent a fundamental shift in BSR, a surge in keyword ranking, and a massive influx of new-to-brand customers.
What These Results Mean for Your Q4
The impact of a successful Prime Big Deal Days extends far beyond the 48-hour event. This is not the finish line; it's the starting gun for Q4.
- The Sales Velocity "Halo Effect": The massive sales volume generated during the event significantly boosts each product's BSR. Amazon's algorithm rewards this velocity, leading to higher organic search ranking and increased visibility for weeks and months to come.
- Building Your Q4 Launchpad: The upcoming Prime Big Deal Days in October are the final "dress rehearsal" for the holiday shopping season. The momentum, data, and ranking improvements from the July event are designed to be leveraged for October, which in turn builds the foundation for a dominant Black Friday and Christmas sales period.
- Audience and Retargeting: The event drives a huge volume of new customers. This allows us to build powerful retargeting audiences and "new-to-brand" data that can be activated during the crucial Q4 gifting season.
Don't Just Participate in Prime Day. Dominate It.
Amazon's Prime events are no longer simple sales days; they are critical, complex investments in your brand's long-term health on the platform.
As our client results show, navigating this high-stakes environment requires a specialist team. A passive approach guarantees you will lose money and opportunity. A strategic, aggressive, and holistic approach, however, can deliver transformative growth that redefines your position in the market.
The next major event is just around the corner. If you're ready to move from simply participating to actively dominating, contact the KangarooUK team today. Let's build your Q4 success story.

About KangarooUK: We are a leading Amazon agency specialising in data-driven strategies to help brands achieve explosive growth on the platform. Our expert team provides comprehensive Amazon Account Management services, ensuring our clients not only participate but dominate key sales events.
